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