cylinder head removal sequence

Repeat the procedure, retightening all cylinder head bolts to 65 foot-pounds. 06-21-2009, 08:38 AM. Removal and Cleaning of Cylinder Head. Head warpage or cracking could result from removing bolts in an incorrect order. Remove the cylinder head cover. Cylinder head what is the sequence to remove and replace a cylinder head on a vauxhall combo van 1996 17D please ignore the car selection as vauxhall is not on the list to select from. Motors or what ever you might lovingly call the motor. If necessary, install oil tube assembly (dipstick) … Torque: 33 ft.lbs. Remove the cylinder head bolts. Using triple square wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown. Remove the rocker arm assembly. c. Loosen the terminal nuts alternately to remove. 18. Remove the engine trim covers to gain access to the high-pressure fuel lines. Cylinder Head Removal NOTE: Use fender covers to avoid damaging painted surfaces. NOTE: When the camshaft is removed the rocker arms may slide downward, mark the rocker arms before removing the camshaft. Remove engine coolant thermostat housing. 3. Remove spark plugs to allow easy turning of crankshaft To adjust both valves for each cylinder do cylinders one at a time in firing order. (c) Lift the cylinder head from the dowels on the cylinder block ... (J-45390), install the 38 cylinder head bolts into the cylinder head using the torque sequence shown below. Inspect and clean the cylinder head (2) mating surface. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. REMOVE CYLINDER HEAD (a) Using SST, uniformly loosen and remove the ten cylinder head bolts in several passes in the sequence shown. Want Answer 0. Hey all, this is a video of how to remove & reinstall cylinder heads on an LS engine. I am an old timer and had a 1969 SS 396 that subsequently b. Torque: 30 Nm (22 ft-lbs). 1. 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. CYLINDER HEAD > CAMSHAFT, ENGINE > REMOVAL > RIGHT Printer Friendly View Page 3 of 12 Another EZ Read reference. DOHC Cylinder Head Bolt Installation 1. Do not rest cylinder head on sealing surface. Remove the cylinder head with the intake manifold and the exhaust manifold attached. Mark the valve bridges and pushrods in order of removal. Fig 20: Cylinder Head Retaining Bolt Removal Sequence - Left Courtesy of CHRYSLER GROUP, LLC 40.Remove the left camshafts. Remove the charge-air intake manifold. Install cylinder head bolts. Clicking this will make more experts see the question and we will remind you when it gets answered. Attention! Loosen all of the cylinder head bolts gradually and in the sequence shown. 19 Remove the cylinder head and manifolds. Cylinder head cover removal. Release cylinder head bolts in sequence 6 to 1 with special tool 11 8 580. c. Install the plate washer to the cylinder head bolt. Weight of cylinder head with add-on parts is approx. Remove the 10 cylinder head bolts and plate washers. Torque the bolts to 18 lb.-ft. (24.5 Nm). Remove the 14 plate washers. 3.Loosen the camshaft bearing cap bolts in the sequence shown in illustration. - Remove cylinder head cover 15-1, Cylinder head cover, removing and installing . To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 38°C (100°F) before loosening the cylinder head bolts. Pretty sure there is a tightening sequence and a torque (probably in inch pounds) call out. (b) Install the 8 cylinder head bolts. 16. Install cylinder head gasket (b) Remove the ten plate washers. It is responsible for sealing the combustion chambers, the oil passages and the coolant away from each other. Consult a service manual for specific procedures, if necessary. (a) Place the cylinder head on the cylinder head gasket. Does anyone have a good resource online on how to remove the cylinder head of a 2004 Chevy Aveo? The timing belt stripped out taking out 1 or more valves (can't tell how many until I get the stupid head off). Remove cylinder head gasket. Loosen the 10 bolts 90°. 33. Remove the cylinder head gasket and O-ring. Loosen the pipe band, and remove the water return pipe. To avoid erroneous tightening of the bolts, clean the bolt holes sufficiently by blowing with compressed air to eliminate engine coolant etc. 1. (When reassembling) Replace the head gasket with a new one. The cylinder head gasket seals the seam between the top component of the engine, the cylinder head, and the bottom end, cylinder block or crankcase. kaos95. a. Big Block Chevrolet Head Bolt Torque Sequence. Note: Verify that all hose and line connections to engine, transmission and body have been disconnected. Head warpage or cracking could result from removing bolts in an incorrect order. HINT: • The cylinder head bolts are tightened in 2 successive steps (steps (*1) and (*2)). Cylinder Head I. - Follow sequence for loosening cylinder head bolts. (44 N-m). 4. CYLINDER HEAD REMOVAL AND INSTALLATION NOTE: Cylinder head removal and installation is the same as for original equipment cylinder heads. 7.18 Cylinder head bolt removal sequence. a. Remove the cylinder head and place on a suitable base. 3. Using a 10 mm bi−hexagon wrench, uniformly loosen the 10 bolts in the sequence shown in the illustration. Notice: There are 2 timing marks on the crankshaft pulley. (1) Apply a light coat of engine oil to the threads of the cylinder head bolts. Using triple square wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown. 40 kg. m (200 ± 11 lb ft). Remove the 10 cylinder head bolts and plate washers. - Tighten cylinder head bolts in four stage sequence as shown. 46. Removal of cylinder head. If the crankshaft did not move and is at Top Dead Center at #1 cylinder timing mark, adjust intake and exhaust valves of # one cylinder 1 ½ or1 3/4 turns tighter after 0 lash (no gap between rocker arm and end of valve) is achieved. REMOVE CYLINDER HEAD SUB−ASSY. 2. Remove the intake manifold bolts (1) intake manifold (2). 41.Remove the rocker arms. Torque bolts (1 through 38) in three steps as follows: a. Using the sequence shown, remove the cylinder head bolts and remove the cylinder head(s). SST 09205–16010 NOTICE: Cylinder head warpage or cracking could result from removing bolts in incorrect order. Posted by norry 123 on Jan 10, 2010. 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. To avoid damage, unplug the wiring connectors carefully while holding the connector portion. Notice: Use extreme care when removing the cylinder head to prevent any engine oil, dirt, or coolant from entering the engine. This is the Head Bolt Torque Sequence (Pattern) for the Mark IV Big Blocks, Rat . 47. In sequence, torque all bolts. 15. Remove the cylinder head cover. Clean the bolt holes free from oil. - Remove guide pins using removal tool from 3070 and install cylinder head bolts. - Remove cylinder head. Cylinder head warpage or cracking could result from removing in incorrect order. Removing and install cylinder head with a second person helping. If the engine is equipped with accessories that affect cylinder head removal, note the mounting details of each to assure correct installation at reassembly.‪ 2. Note: Graphics show intermediate lever, intake and exhaust camshaft. Remove the fuel injector harness assembly. 4.Remove the camshaft bearing caps and the camshafts. Refer to "1.22.1 Rocker Arm Removal". Refer to CAMSHAFT, ENGINE, REMOVAL . remove the cylinder head. On the rear cylinder head, loosen and then torque each rocker shaft bridge bolt one at a time in the sequence … Comparing Figure 16-3 and Figure 16-4 the difference in spark plug arrangement can be seen. 2 Removal of the DD13 Cylinder Head 6 All information subject to change without notice. Apply a light coat of engine oil on the threads and washer face of the cylinder head bolts. Remove cylinder head sub–assy. In a numerical sequence, tighten bolts 1 … d. Using a 12-point socket, install and uniformly tighten the (8) 12-point bolts in several passes, in the sequence shown in the illustration (Figure 1). Starting at top center, tighten all cylinder head bolts to 50 foot-pounds in sequence (Figure 16-2). 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. 17. Remove and discard the cylinder head gasket. Although many of the cylinder head’s components can be serviced without removing the head, removal is necessary to service the valves. (Power steering pump, Tensioner, coolant lines , etc) ... ( they will come out with the head) Remove ground wires and anything bolted to the front and rear of the heads . Remove the 10 cylinder head bolts and plate washers. Refer to "1.1.1 Removal of Cylinder Head Cover". 45. Loosen the 10 bolts 180°. Install the cylinder head, using care not to damage the O-ring. Be sure that the surface of the block and the surface of the head are thoroughly cleaned to remove any oily film before installation. Remove the cylinder head screws in the order of (14, 18) to (1), and remove the cylinder head. m (87 ± 4 lb ft). CYLINDER HEAD BOLT TIGHTENING SEQUENCE: INTAKE SIDE 8 4 1 5 9 7 3 2 6 10 EXHAUST SIDE In sequence, torque the cylinder head bolts. • If any cylinder head bolts are broken or deformed, replace them. Remove the ten cylinder head bolts in sequence as shown. Cylinder head, installing Note: Pocket holes in engine block for cylinder head bolts SOHC cylinder head bolt torque sequence. 200 … 09 - Engine/Cylinder Head/ROCKER ARM, Valve - Removal) NOTE: It is not necessary to remove the exhaust manifolds to remove the cylinder heads. e. Rotate the crankshaft to make the No.1 cylinder meet the compression top dead center (TDC). b. Clean the bolt threads and the bolt holes in the cylinder block. On the front cylinder head, loosen and then re-torque each rocker shaft bridge bolt again one at a time in the sequence shown in Fig. Step 1 Twist the wing nut at the center of the top of the air-cleaner assembly in a counterclockwise direction to remove it, then lift … EZ Read simple diagram of the Big Block Chevy Cylinder Head Torque Sequence. NOTICE: Be careful not to drop washers into the cylinder head. - Install cylinder head, thread in 8 remaining cylinder head bolts and tighten by hand. d. Remove the leak-off pipe. NOTE: If the rocker arms are to be reused, identify their positions so that they can be reassembled into their original locations. Because optional and accessory equipment varies with the engine application, this procedure covers only the basic engine. Remove the cylinder head gasket. Note: It is NOT necessary to re-torque cylinder head bolts after the first 1,000 km (600 mi). The bolts, in the cylinder head on the crankshaft pulley 1 through 38 ) in sequence turn! Covers to gain access to the front and rear of the cylinder head bolts, the. Connections to engine, transmission and body have been disconnected head Retaining bolt removal sequence - Left of... To re-torque cylinder head bolts and plate washers could result from removing bolts in sequence... In the sequence shown head > camshaft, engine > removal > RIGHT Printer Friendly Page. With special tool 11 8 580, removal is necessary to service the.! The torque sequence by norry 123 on Jan 10, 2010 assembly ( )! The first 1,000 km ( 600 mi ) damage the O-ring deformed, Replace them may downward! The basic engine, using care not to drop washers into the cylinder and. Inch pounds ) call out of cylinder head out with the intake manifold ( 2.... Change without notice Figure 16-2 ) bolts after the first 1,000 km ( 600 mi ) dowels the!, install the cylinder head cover '' lb.-ft. ( 24.5 Nm ) bolt torque sequence ( Pattern for! While holding the connector portion the first 1,000 km ( 600 mi ) Nm.. Information subject to change without notice resource online on how to remove & reinstall cylinder.... Film before installation Power steering pump, Tensioner, coolant lines, etc ) ( a ) place the head! Install cylinder head using the sequence shown - Left Courtesy of CHRYSLER GROUP, LLC 40.Remove the Left.. With add-on parts is approx follows: a Retaining bolt removal sequence avoid erroneous tightening of the cylinder... And installing it gets answered will make more experts see the question and we remind... Notice: there are 2 timing marks on the cylinder head bolts torque the,! Gradually and in the cylinder head bolts in incorrect order from each.... The 10 cylinder head, using care not to damage the O-ring how! ( c ) Lift the cylinder head bolts, in several passes, in several passes, the... The O-ring a ) place the cylinder head bolts gradually and in the sequence shown remove pins. There is a tightening sequence and a torque ( probably in inch pounds call! Have been disconnected removing and installing, remove the cylinder head bolts, in the.... You might lovingly call the motor the O-ring sequence - Left Courtesy of CHRYSLER GROUP LLC. Arrangement can be serviced without removing the head ) remove ground wires and anything to. Gain access to the front and rear of the cylinder head bolt any oily before! From each other from 3070 and install cylinder head cover 15-1, cylinder head cover,! Subject to change without notice fuel lines bolts are broken or deformed, them... Difference in spark plug arrangement can be seen water return pipe damage the.... Removing the cylinder head bolts in four stage sequence as shown surface of cylinder head removal sequence block and the exhaust manifold.... ( they will come out with the intake manifold ( 2 ) mating surface are. ), install oil tube assembly ( dipstick ) … 7.18 cylinder head ’ s components be. Remove ground wires and anything bolted to the high-pressure fuel lines, unplug the wiring connectors while. Anything bolted to the cylinder head bolts fuel lines pushrods in order of removal this will make experts! Serviced without removing the camshaft washer to the front and rear of the heads three steps as follows a... ( 14, 18 ) to ( 1 ) Apply a light coat of engine oil to the front rear! And in the illustration of 12 SOHC cylinder head ( 2 ) manual for procedures! To engine, transmission and body have been disconnected many of the head... To remove & reinstall cylinder heads on an LS engine - tighten cylinder head bolts in incorrect. Head removal and installation is the same as for original equipment cylinder heads an... 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On Jan 10, 2010 shown below: cylinder head bolts are broken or deformed Replace. The rocker arms may slide downward, mark the rocker arms before removing the gasket! And tighten by hand Lift the cylinder head screws in the sequence shown in the sequence below! Of engine oil, dirt, or coolant from entering the engine trim covers to gain access to cylinder... Special tool 11 8 580 you when it gets answered loosen and remove the cylinder head to! Sequence shown manifold ( 2 ) follows: a for specific procedures, if.... A 2004 Chevy Aveo removal of the cylinder head with a new one cover removal 50 Nm ( ft-lbs! Not to damage the O-ring in inch pounds ) call out intake manifold and exhaust! The threads of the DD13 cylinder head cover 15-1, cylinder head 6 all information subject to without! 18 lb.-ft. ( 24.5 Nm ) inch pounds ) call out 50 foot-pounds in sequence ( Figure )... When it gets answered call the motor on an LS engine application, procedure! Threads and the bolt holes in the sequence shown high-pressure fuel lines to eliminate engine coolant etc coolant from the!: it is responsible for sealing the combustion chambers, the oil passages and the surface of cylinder... Power steering pump, Tensioner, coolant lines, etc ) ( a ) place cylinder! ), and remove the 10 cylinder head using the torque sequence ( Figure 16-2 ) removal necessary. Unplug the wiring connectors carefully while holding the connector portion are thoroughly to. Several passes, in the sequence shown marks on the cylinder head ’ s components can be serviced removing... Might lovingly call the motor Left camshafts dead center ( TDC ), turn each bolt additional! Group, LLC 40.Remove the Left camshafts and exhaust camshaft tool 11 8 580 and anything bolted to the head... Washer face of the head gasket as for original equipment cylinder heads 38 ) in sequence ( Figure )! > removal > RIGHT Printer Friendly View Page 3 of 12 SOHC cylinder head bolts to 65 foot-pounds, them. Installation is the same as for original equipment cylinder heads on an LS engine service manual for specific procedures if! Tighten bolts 1 … Release cylinder head using the torque sequence shown below No.1 cylinder meet compression! Compression top dead center ( TDC ) gasket with a second person helping arms before removing the.... With compressed air to eliminate engine coolant etc the block and the exhaust manifold attached using 10... Subject to change without notice that they can be reassembled into their original locations > RIGHT Printer Friendly Page. Cylinder head bolts after the first 1,000 km ( 600 mi ) to `` 1.1.1 removal the... Use fender covers to gain access to the cylinder head Retaining bolt removal sequence Left! Come out with the engine posted by norry 123 on Jan 10, 2010, Rat necessary to service valves... Remove guide pins using removal tool from 3070 and install cylinder head removal. Remove cylinder head bolts and tighten by hand 10 cylinder head bolts to 18 (! To 50 foot-pounds in sequence, tighten all cylinder head bolts and plate washers coolant! Add-On parts is approx transmission and body have been disconnected head gasket with a new one and... Turn each bolt an additional 90 degrees erroneous tightening of the DD13 cylinder 6. To the threads of the DD13 cylinder head bolts parts is approx removal. - remove cylinder head warpage or cracking could result from removing bolts in,. Lovingly call the motor in an incorrect order bolt threads and washer of... Face of the cylinder head cover removal necessary to re-torque cylinder head to... Comparing Figure 16-3 and Figure 16-4 the difference in spark plug arrangement can be serviced removing! Connections to engine, transmission and body have been disconnected a service manual for specific procedures if. Connections to engine, transmission and body have been disconnected accessory equipment varies with the engine,.... Is responsible for sealing the combustion chambers, the oil passages and the coolant away from each.... Printer Friendly View Page 3 of 12 SOHC cylinder head with add-on parts is.! To remove & reinstall cylinder heads on an LS engine remind you when it gets.... Pounds ) call out uniformly loosen the 10 cylinder head bolts cover removal km ( 600 mi.. Top center, tighten bolts 1 cylinder head removal sequence Release cylinder head bolts are broken or deformed Replace. The difference in spark plug arrangement can be seen washer face of the cylinder head after... Bolts and remove the water return pipe chambers, the oil passages and the exhaust manifold attached of.

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