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