Cylinder Head Bolt Removal Sequence

See Figure "Cylinder Head Lift Bracket Removal". cylinder head marked showing the sequence of tightening the head studs. Cylinder Head Torque Settings. Install the head gasket and cylinder head. Remove the timing bolt. You've got to take the power steering pump off of the left head, and remove the nuts, grounds, and studs at the back of each head that bolt the heater hoses in place. Cylinder head bolt Torque specs 1. To fix this, remove the head, resurface it on a wide sanding belt or large diameter disc sander to remove warpage and restore flatness, install a new head gasket, torque the head bolts to specs in the correct sequence, and readjust the valve clearances. 93) Remove camshaft roller chain tensioner. The marks on the head bolt socket, head bolt, and cylinder head surface should align. Tightening Procedures for Crankcase Thru-Studs and Bolts All Avco Lycoming piston engines. 3) Tighten cylinder head bolts in sequence to specification. Cams/cap Removal Head Removal next is removing the cams from the head. Good quality tool. 2001 Jeep Wrangler Cylinder Head Removal and Installation. Lay the cylinder head gaskets onto the head dowels and apply a small amount of engine assembly lube to the dowels. Set parking brake and block wheels. First off, the head bolts will not come out if done this way. Loosen the clamp on the y-pipe outlet. Get your new head bolts and install the washers on the bolts so that the chamfered side is facing the bolt head. If an angle gauge is not available, make a paint mark on each bolt head and the cylinder head, and tighten each bolt 180 degrees. b) Place the gasket on the cylinder head. If you replace the head gasket, at about 5 hours run time, remove the head bolts one at a time, re-lube, and retorque to final spec torque. Following is elaborate bolt tightening sequence for Forester 2. To complete installation, reverse removal procedure. Except where noted, all torque specifications listed are in Foot-pounds / Newton-meters. Thanks a lot for your inputs. There's an art to removing head bolts from an engine. Remove upper shroud. On engines with aluminum cylinder heads, remove the head only after the engine has cooled completely and reverse EXACTLY the recommended torquing procedure. To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 38 °C (100 °F) before loosening the cylinder head bolts. How to Remove the Cylinder Head on a Kia. Install a new cylinder head gasket onto the cylinder head assembly. It is also suggested with aftermarket heads that you "clay" the heads (place modeling clay in the chambers where the valves rise) to check valve clearance before the actual torquing of the studs/bolts. 7 Liter V-6 engine Fig. 50 N-m (37 lb-ft). Use a very light application of molybdenum disulfide grease ("Moly" paste) on the head bolt threads and under the heads of the bolts to ensure accurate torquing to full engineered clamping pressure. Following is elaborate bolt tightening sequence for Forester 2. The bolts can bind at the top of the head holes as these close up under bolt loads so make sure the bolts are running free in the head and in the block threads before assembly. Move the cylinder head assembly slightly in direction of the transmission. All the head bolts only needed about 1/8 of a turn to jump 5. Prefix 42D, 46D, 47D, 48D, 49D, 50D or 51D are fitted to the following models:. The tools shown are all Snap-on brand tools, and I have used them all successfully over the years on various studs. The outside edges of the 6 cylinder head's. Remove the intake and exhaust camshafts. Kia Rio: Head Bolt. 0 bolt locations in tightening sequence with the foot pounds. Remove both valve covers. NOTE: The back two cylinder head bolts cannot be removed from the head in vehicle. Remove cylinder head Using a 10 mm bi-hexagon wrench, uniformly loosen and remove the 14 cylinder head bolts, in several passes, in the sequence shown. Remove the earth lead from the alternator bracket. Tightening. Tighten all bolts in the sequence that is shown in Figure 2 to 37 FT/LBS (50 Nm) 2. ft (150 ± 7 Nm) Step 3. This bulletin is being revised to reflect changes to the head bolt torque sequence originally published. ft (80 ± 14 Nm) Step 2. Villalón Nieto. View Profile View Forum Posts Private Message View Blog Entries VR6 Cylinder head bolt torque sequence?. Position head and gasket and nip up bolts finger tight, check every thing is properly. 19 Remove the cylinder head and manifolds. Remove and discard the head gasket, after checking that the replacement one is the same in every detail. Bolts 1 thru 14 are the 20MM bolts and 15 thru 20 are the 10MM bolts on the intake side of the cylinder head. There’s an art to removing head bolts from an engine. Serious Inquiries only:. Remove the ten cylinder head bolts in sequence as shown. Loosen retaining bolts one at a time two to three. Front cylinder head bolt removal sequence-J35A7 engine Fig. Tighten the M8 cylinder head bolts (11-15) to 30 N. Install the cylinder head(s) and check for binding or misalignment. 340 block-going to remove 302 heads and install j heads. Torque should be done in 20 lb/ft. Remove the 10 cylinder head bolts and plate washers. Step 26: Mark Left and Right Cylinder Heads. Do not reuse them. We have cylinder head fasteners /studs (as well as all types of engine fasteners) for gas and diesel engines. Use a bottoming tap to clean the bolt holes and remove all debris from the hole. Any kind of car engine repair can be a little intimidating, but if you own a Ford Escort this video can help make a cylinder head removal a little less scary. And believe me, it doesn't matter how good those threads look or seem to be, you cannot trust them. The cylinder head gasket - The cylinder head gasket or seal lies beneath the cylinder head assembly. Use a mixture of graphite and oil on the cylinder head screws (bolts) to prevent them from rusting tight against the cylinder block. Also, if the final torque of the head bolts specs out an angle of degrees instead of in FT-LB’s, these are torque-to-yield type head bolts, and cannot be reused but must be replaced. Tighten the M8 cylinder head bolts (11-15) to 30 N. Cylinder Head Installation Before installation, lubricate the threads and the underside of the head bolts with clean engine oil. For each cylinder head, start with head bolt numbered one. DO NOT interchange push rods. ft (150 ± 7 Nm) Step 3. Remove the engine mounting support bracket fixing bolts(A). Unscrew bolts of fastening of a head of the block of cylinders, working on a spiral outside inside, unscrewing bolts on a half of a turn for each pass before full unscrewing of bolts (see rice. Displaying Mitsubishi K3D Marine Cylinder Head Gasket Installation Information - Tightening Torque and Tightening Sequence from Worldwide Parts Source LLC Phone 269 673 2313 email [email protected] The cylinder heads are not difficult to remove at all. 7 kgf·m, 34 ft·lb) #1 Cylinder [A] #2 Cylinder [B] CAUTION A torque wrench must be used to assure proper torque. Remove the outer M12 cylinder head bolts. 6: Cylinder Head Bold Tightening Sequence Courtesy of Volvo Cars of North America. Tighten all bolts again in sequence to 74 FT/LBS. Repeat the. 3 Cylinder head gaskets are different from each other on the 4. 2) Then tighten all bolts to 69 N. If using a new head gasket: 1. Use ONLY 6V4876 lube on the bolt threads and underside of the bolt heads. You can easily see the hex heads of the three other bolts, but the 4th bolt is actually located inside the pump's hose fitting. 0l How To Torque Cylinder Head Bolts. Remove Cylinder Heads Carefully Loosen the head bolts in stages, in the reverse order of the tightening sequence. undo the four rocker shaft bolts progressively, store the push rods in their fitted order, undo the ten cylinder head bolts in the specified order. Cylinder head bolt Torque specs 1. NOTE: To ease the removal of the valve covers, remove the power steering pump with its hoses connected. Using a socket hexagon wrench 8, remove the hexagon bolt. TT00001 Cylinder Head Installation For 2003-2005 Ford 6. Make a mark on the engine vibration damper and on the front case of the engine in line with each other as a reference point for cylinders No. Remove the cylinder head. To avoid damage, unplug the wiring connectors carefully while holding the connector portion. You do not want to loose all the bolts and small components. 0L GM Chevy Silverado Sierra 2500HD 3500HD , How To Install Replace Engine Serpentine Belt. CAUTION: Damage to the camshaft phaser sprocket assembly will occur if mishandled or used as a lifting or leveraging device. Do not apply sealant to the gasket and do not reuse the old cylinder head gasket. Cylinder head bolts are toque-to-yield bolts designed to be permanently elongated beyond the state of elasticity when torqued, so if the bolts are removed and reused, it may cause the bolts to break or fail to maintain clamping force. Tighten the cylinder head bolts in the sequence shown, following this 4 step torque plus angle method. Release cylinder head bolts in sequence 10 to 7 with special tool 11 4 420. Remove the cylinder head guide studs. Repeat the procedure, retightening all cylinder head bolts to 65 foot-pounds. Exhaust valve push rods are steel. Inspection Inspect cylinder head surface and manifold sealing areas (if manifolds are removed) for cracks and. ) Remove the two bolts in front of the head before the other head bolts are removed. We wouldn't. Cylinder Head Bolt Installation Torque Wrench Method. Removal Note: On HCS engines, cylinder head bolts may be used a total of three times (including initial fit) and must be suitably marked to indicate each removal operation. On engines with aluminum cylinder heads, remove the head only after the engine has cooled completely and reverse EXACTLY the recommended torquing procedure. cylinder head bolts and engine hardware for Chevy inline 6 cylinders 194, 230 , 250 and 292 cylinder head bolts and stainless engine bolt kits cylinder head bolts / studs and stainless bolt kits for automotive,light truck and marine engines. 5 Nm all bolts, except for centre bolt on front bearing which is 12 Nm Camshaft Sprocket Bolt 78 Nm Crankshaft Pulley Bolt 260 Nm Cylinder Head Bolts Oiled Thread & Washer • 1st Step 39 Nm • 2nd Step 90° • 3rd Step 90° Exhaust Manifold 36 Nm. loosen the 10 bolts in the sequence shown in the illustration. See Figure "Cylinder Head Lift Bracket Removal". Remove the head bolts and install the cylinder head lifter bracket (J-35641-A) using the bolt hole at the inboard center, No. NOTE: Before installing the cylinder head bolts, lubricate the threads with clean engine oil. Remove the two intake bolts from the cylinder head and the four nuts holding the muffler to the left and right cylinder heads. If it is stuck, tap lightly on the side of the head with a rubber hammer to loosen the cylinder head. Failure to do so may result in head warpage. I've gone over removal/replacement procedures in All-Data, and they do not mention that new head bolts are requiredHowever, the local parts houses do. Also, if the final torque of the head bolts specs out an angle of degrees instead of in FT-LB’s, these are torque-to-yield type head bolts, and cannot be reused but must be replaced. To give you a quick reference of torque sequences, OnAllCylinders' Lori Sams has created a series of infographics for different engine makes. CAUTION: Do not loosen all of the bolts at the same time; only work on one bolt at a time or damage to engine or leakage may occur. 7 kgf·m, 34 ft·lb) #1 Cylinder [A] #2 Cylinder [B] CAUTION A torque wrench must be used to assure proper torque. Once you have access to the cylinder head, fit a socket onto the bolt at the rear of the head. Refer to EM-79. Next, loosen the bolts, in sequence, a quarter of a turn, until you can turn them by hand. I was delayed in fixing my car for a whole but because i didn’t have this tool and my schedule didn’t allow me any free time to work on my car till rhe next week after i got this in the mail. With all of the lifters out, it's time to remove the cylinder head. Remove the 10 cylinder head bolts and plate washers. Conventionally the cylinder head is bolted to the cylinder block and the crankshaft main bearings are in turn bolted to the crankcase by separate bolts. Attention! Removing and install cylinder head with a second person helping. Torque sequence for big block aluminum heads Special considerations. 15 ENGINES Fan Cooled Twin Cylinder 10/98. Loosen the cylinder head and cylinder bolts a 1/4 turn at a time in a crisscross pattern. Refitting 20 Before installing the cylinder head, make sure that the mating surfaces of head and block are perfectly clean with the head locating dowels in position. If you suspect that your ignition switch is broken on. Also, you need sealer on the intake bolt threads. The acceptable bolt length is listed in Table "Cylinder Head Bolts, Length". Kubota Head Torque Sequence ? - posted in Diesel Garden Tractors, Repower and Conversion Forum: My head gasket is leaking oil when first started and so I am in the process of re-torqueing the booger ,as the bolts are not as tight as they are supposed to be {32 ftlbs) But I cant find the order in which to tighten them ? Anyone have this info ?. Exhaust valve push rods are steel. To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 38°C (100°F) before loosening the cylinder head bolts. 4 Intake manifold torque sequence SOHC engines-4. These head bolts are single use only and once removed must be replaced. NOTICE: Do not dip the entire cylinder head mounting bolts in oil as it could provide too much oil causing improper torque results. Remove the 10 cylinder head bolts and plate washers. CAUTION Caution: In order to reduce the chance of personal injury and/or property damage, carefully observe the instructions that follow. Remove the old blown head gasket and fully clean the cylinder head so the new gasket will sit cleanly on the metal. Comparing Figure 16-3 and Figure 16-4 the difference in spark plug arrangement can be seen. Cylinder Head Measurements New and Minimum cylinder head heights are checked as above. To fix this, remove the head, resurface it on a wide sanding belt or large diameter disc sander to remove warpage and restore flatness, install a new head gasket, torque the head bolts to specs in the correct sequence, and readjust the valve clearances. The cylinder head bolts should be removed by using Special Tool, Cylinder Head Bolt Wrench (09221-32001) or equivalent, in the sequence as shown in the illustration in two or three steps. Cylinder head bolts may be re-used provided they pass one of the following tests. Follow the manual and manufacture requirements. I also need the torque specs on the bolts? Thanks. Discard the bolts. Search Car Torque Specifications by Engine or Model. Head warpage or cracking could result from removing bolts in an incorrect order. The Edelbrock #8591 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Villalón Nieto. Your Manual tells you all of this. A slight amount of sealer is needed on the threads to seal them. Download the relevant PDF document to get instructions and torque settings. 4 Intake manifold torque sequence SOHC engines-4. Head gasket blew again after about 400 hour. Note: Graphics show intermediate lever, intake and exhaust camshaft. The CB750 is the only SOHC/4 model with a dry sump. 20 N-m (15 lb-ft). Honda Small Engine Cylinder Head Torques ( small head bolt ) 6 : 9 : 6. 50 N-m (37 lb-ft). Torque carefully in the sequence and stages outlined in the Factory Manual. Uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Thank you for the quick reply and all the prompt deliveries of my purchases. (c) Install the 2 cylinder head bolts. Removal and Re-installation sequence for bolt removal and tightening. This package deal includes a professionally rebuilt L-6-226 cylinder head, OEM head gasket, 33 cylinder head bolts and 33 cylinder head bolt washers$ 375. Upon a disassembly (hope you don't have to) , I suggest removing them first. Release cylinder head bolts in sequence 10 to 7 with special tool 11 4 420. This contains a reference to generator removal, which I did however I only had a few minutes to work. 5L engine is made from aluminum alloy. 3406E Caterpillar Cylinder Head 3406E Main Bearing Torque Specs 3406E Cat Specs 3406E Head Torque Sequence 1 2 3 Related searches for caterpillar 3406e head torque specs 3406E Cat Torque Specifications | eHow www. 3 cam cap and two tapped Jake Brake® bolt holes. - Sequence for Tightening Cylinder Head Bolts: soft hammer will remove any bind that exists. Tighten cylinder head retaining bolts in numerical sequence in three steps as follows: a. 40 N-m (29 lb-ft). There's an art to removing head bolts from an engine. REMOVE CYLINDER HEAD GASKET INSPECTION 1. REMOVE CYLINDER HEAD COVER SUB−ASSY. Turn the crankshaft pulley, and align its groove with timing mark 0 of the timing chain cover. 50 N-m (37 lb-ft). Remember, heat expands metal, making assembly bolts more difficult to remove and prone to breakage. 5 Nm all bolts, except for centre bolt on front bearing which is 12 Nm Camshaft Sprocket Bolt 78 Nm Crankshaft Pulley Bolt 260 Nm Cylinder Head Bolts Oiled Thread & Washer • 1st Step 39 Nm • 2nd Step 90° • 3rd Step 90° Exhaust Manifold 36 Nm. To find out how to remove, install, and torque a cylinder head bolt, keep reading to learn more. We never recommend re-using TTY (torque-to-yield) head bolts, as they are meant to be tightened in a certain way only once. Move the cylinder head assembly slightly in direction of the transmission. Tighten in alternating steps 1. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time, repeat the sequence until all the bolts are loosened, Remove the cylinder head bolts. Replace cylinder head bolts (1) and (2), if necessary. Installation: Use a tap of the correct size to chase the threads in the head bolt holes in the block. And believe me, it doesn't matter how good those threads look or seem to be, you cannot trust them. - Remove fan and clutch assembly 22. Doing this wrong can easily warp the head. Cleaning head bolt holes by making a home made bolt hole chaser , How To Torque Cylinder Head Bolts - EricTheCarGuy , How to Torque Cylinder Head Bolts , Stock # 141003 2000 Iron Head 6. Torque specs vary depending on the fastener brand, lubricants, and other factors; however, the cylinder head torque sequence generally remains constant for a given. My problem is, that in 1/2 the places where a torque value is specified, you can't even fit a torque wrench in there so i usually just guess. The 16V tightening sequence is slightly different than the sequence for the 8V heads. After all nineteen bolts (2, FIGURE 3-60) have been loosened, remove them and lift cylinder head assembly (3) from engine block. You will need both inch and foot pound torque wrenches as well as a torque angle gauge. Table listing cylinder head torques for Honda small engines. Remove the gasket pieces from the cylinder block top surface and cylinder head bottom surface. Small Block Chevrolet Head Bolt Torque Sequence. The intake has this sequence for removal. Tightening Procedures for Crankcase Thru-Studs and Bolts All Avco Lycoming piston engines. - Tighten cylinder head bolts in specified sequence as follows: - Tighten all bolts to. there is a sequence but its jus a crisscross theres like 10 bolts, if the block is horizontal infront of you, say u are facing the exhaust ports. Reinstall Cylinder Head sequence on OM606. Continue this process until all head bolts have been retensioned. Complete Cylinder Head Torque Specifications for Domestic and Imported Passenger Cars and Light/ Medium Duty Trucks. Tighten according to the following torque values: Step 1: All to 30 N·m (22 ft. Before installing, remove the hardened sealant from the cylinder block and cylinder head surface. Remove the 12 cylinder head bolts. Insert new cylinder head bolts and initially tighten so that they are free of play. Use a 12mm x 1. plug threads to prevent galling in the cylinder head, and torque to 10 ft. - Remove fan and clutch assembly 22. There’s an art to removing head bolts from an engine. What is tq for head bolts. Tighten the cylinder head bolts, as follows. Tighten a bolt in the corner of the cylinder head down until the meter on the torque wrench reads 180 in. NOTICE: • Be careful not to drop the washers into the cylinder head. Cylinder Head Bolts Tighten all to 66ft. Pontiac Cylinder Head Bolt Torque Sequence When we are tightening the heads up we typically do so using 30 wt oil for lubrication. - Position new cylinder head gasket. The 2000 Kia Sportage is equipped with a twin-cam. Remove heads. Torque the 12-point polygon socket head cylinder head bolts to 4. 15) Similarly, remove the right side cylinder head. (5) Retighten the cylinder head bolts 180° as shown. Tighten bolts in three (3) stages. you are reusing the old head gasket) 5. Set the head right way up on wood blocks to protect its machined undersurface. Bolts should be loosened in 2-3 steps. Remove the spark plug cap. The marks on the head bolt socket, head bolt, and cylinder head surface should align. 9L-300ci-S6 Engine Torque Specs. The cylinder of the engine is the shaft that the drive piston operates in, under a great deal of pressure, so the cylinder head must be tightened to the point that a tight, reliable seal is formed. Follow the manual and manufacture requirements. Note, this photo shows the tightening sequence; remove in reverse of order shown: Lift the cylinder head from the bike, place in a plastic bag and sit aside. If using a new head gasket: 1. Remove the cylinder head bolts, and remove the cylinder head gasket. Although not vitally important, I do recommend unbolting the head in a sequence starting with the middle bolts and working you're way out. Use a 12mm x 1. Put the cylinder head on. Machine at right angles to the existing stud hole/bolt hole, not the bottom of the head. Engine Specs. Cylinder Head Bolt Loosening Sequence 3-27. Carefully enter head bolts in their original fitted location, DO NOT DROP. Tighten the cylinder head bolts in the sequence shown, following this 4 step torque plus angle method. Remove and discard the original. I will assume that the head has been properly rebuilt and the cams are set at TDC (top dead center) using the proper cam timing gauge. Once you have access to the cylinder head, fit a socket onto the bolt at the rear of the head. audi forum at Car Dealer Forums; I have a 2001 Audi A4 1. there is a sequence but its jus a crisscross theres like 10 bolts, if the block is horizontal infront of you, say u are facing the exhaust ports. Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059. Starting at top center, tighten all cylinder head bolts in sequence as shown in illustration, using the Cylinder Head Bolt Wrench(09221-21000). also when u put them back in remember that head bolts from honda are not reusable. Villalón Nieto. Thank you for the quick reply and all the prompt deliveries of my purchases. 2L Duratorq-TDCi (Puma) Diesel > Description and Operation > Diagnosis and Testing > In-vehicle Repair > Cylinder Head. Starting at top center, tighten all cylinder head bolts to 50 foot-pounds in sequence (Figure 16-2). Cylinder Head Bolts,,, This is a discussion on Cylinder Head Bolts,,, within the Internal Engine forums, part of the LSx Technical Help Section category; So I have my gasket,,,all things are readybut forgot to get head bolts,, So my head bolts,,,can I reuse them,,,then. Cylinder head bolts are not only elastic, but they also possess very high tensile strength, which allows them to withstand extreme levels of pressure and temperature changes. Tighten the cylinder head bolts in the sequence shown, following this 4 step torque plus angle method. 6 LITRE V8 ENGINE OVERHAUL MANUAL These engines having Serial No. The most important thing to remember here is to use one hand to do the grunt work and the other to keep the socket nice and straight on the head of the bolt. Do not loosen the bolts beyond ¼ turn during the initial release of tension on the bolt. Install 8 remaining head bolts finger tight. If the head seems stuck to the block, gently tap around the edge of the head with a rubber mallet until the joint breaks. Remove the cylinder head. If you don't want look for a new head, follow the instruction in the BGB to the letter when removing the head bolts. This one is little diffrent. Remove the bolts and place them in the cardboard holder. Cylinder Head Bolt Loosening Sequence 3-27. This bulletin is being revised to reflect changes to the head bolt torque sequence originally published. The bolts can bind at the top of the head holes as these close up under bolt loads so make sure the bolts are running free in the head and in the block threads before assembly. The Head cover is removed to inspect cam shafts and lifters and also to remove those parts. All the head bolts only needed about 1/8 of a turn to jump 5. 22 lb ft Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence - Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) 90 degrees. Loosen each bolt about 1/3 turn each time. Remove rocker arms. Let the head sit overnight come back in the morning and retorque the nuts at 80ft-lb. revolution) and reinsert the timing bolt. Perkins 1004-1006 Cylinder Head Bolts Step 1 = 45 Nm, 33 lb. How do you replace the cylinder headgaskets without removing the engine, there is not enough room to remove the cylinder heads or is there? The engine is a lot easier to work on if it’s on an engine stand but it can be done without removing the engine. Polaris Industries Inc. Clean the bolt holes free from oil. Set up the tappet and shim assemblies. If the head bolts and/or the block were replaced, install the bolts and tighten in sequence to 48 ft. When removing and replacing the cylinder heads in any internal combustion engine, the tightness and tightening sequence of the head bolts is critical to a good seal. Over 6,000 Automotive Torque Specs. (*2) (6) Check that the painted marks are now at 180° from the engine front. If you don't want look for a new head, follow the instruction in the BGB to the letter when removing the head bolts. The cylinder had bolt tightening sequence should begin by tightening the head bolts on each end of the head. When measuring head thickness it must be between two machined surfaces. The cylinder heads are not difficult to remove at all. A new cylinder head gasket must be used on refitting. Install the exhaust camshaft. I am trying to get the. Remove the 10 cylinder head bolts and plate washers. 0L engine should always be assembled using new cylinder head bolts. Install cylinder head, and tighten cylinder head bolts in order as shown using Tool (A). The following pics show several tools for removing cylinder head studs from a Model A Ford cast iron engine block (or other castings) without damaging the stud, the block, or its threads. Bolts 1-10: 59-64 lb/ft. • Tighten the cylinder head bolts to 44 ft. On engines with aluminum cylinder heads, remove the head only after the engine has cooled completely and reverse EXACTLY the recommended torquing procedure. Refer to the 16V Cylinder Head and Head Gasket Removal and Installation procedure for the correct sequence. 3) Tighten cylinder head bolts in sequence to specification. FUEL INJECTOR REMOVAL AND INSTALLATION 2003-2007 CUMMINS 5. The Edelbrock #8591 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. TORQUE SPECIFICATION (See page EM–25 ) 10 mm head bolt A 10 mm head bolt C 10 mm head bolt others Water bypass pipe x Cylinder head 9. Wire hydraulic lifters so they will not drop from lifter guides. Bolts 1 thru 14 are the 20MM bolts and 15 thru 20 are the 10MM bolts on the intake side of the cylinder head. Over 6,000 Automotive Torque Specs. B2600i Cylinder Head Torque Sequence. Step 25: Remove Cylinder Head Bolts (Important!) Remove the cylinder head bolts with a 15-mm deep-well socket and ratchet. fifers reliant hints & tips. Sequence is l-r 8-6-2-4-10 on the top row and l-r 9-3-1-5-7 on the bottom row when viewed with the belt to the right. Loosen retaining bolts one at a time two to three. 2: (again, I'm referring to the 1999 Sedan Factory Service manual for this advice. D03 (NG6) to D08 (NG25) Valve Adapters. Install cylinder head bolts and tension in sequence: 1st: 40-49 Nm; 2nd: Loosen cylinder head bolts completely; Install 2 timing gear case bolts and tension to 9. 3 different sizes of head bolt - keep them in order and put them back in the right holes when you put the head. Next, set the cylinder head carefully onto the dowels and provide even pressure on the heads to seat them onto the dowels. Using a 10 mm bi–hexagon wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown, and remove the 10 cylinder head bolts and 10 plate washers. The photos and comments on this page come courtesy of Ron Cloat. Remove Cylinder Heads Carefully Loosen the head bolts in stages, in the reverse order of the tightening sequence. Comparing Figure 16-3 and Figure 16-4 the difference in spark plug arrangement can be seen. B Cylinder Head Capscrew - Torque Plus Angle (T594) This Service Parts Topic pertains to the new Cylinder Head Capscrew - Torque Plus Angle procedure. Exhaust valve push rods are steel. Loosen the cylinder head and cylinder bolts a 1/4 turn at a time in a crisscross pattern.