Operation CHARM: Car repair manuals for everyone.

Cylinder Head Assembly: Service and Repair

CYLINDER HEAD REPLACE
1. Release fuel system pressure as outlined under Service Precautions.
2. Raise and support vehicle then drain cooling system and engine oil.

Fig. 12 Cylinder Head Removal (part 1 Of 2):




Fig. 12 Cylinder Head Removal (part 2 Of 2):




3. Remove cylinder head in numbered sequence shown in Fig. 12 parts 1 and 2, noting following:

Fig. 14 Timing Mark Alignment:




a. Rotate crankshaft clockwise direction and align timing marks, Fig. 14.
b. Tie camshaft sprocket and timing belt with a cord so that position of camshaft sprocket will not move with respect to timing belt.
c. Remove camshaft sprocket using spanner wrench tool Nos. MB990767 and MD998719, or equivalents.

Fig. 16 Cylinder Head Bolt Loosening Sequence:




d. Remove cylinder head bolts in two or three steps in numbered sequence shown in Fig. 16.

4. Install cylinder head in reverse numbered sequence shown in Fig. 12 parts 1 and 2, noting following:

a. Place cylinder head gasket on block so that ID mark is facing upward.
b. Ensure length of cylinder head bolts does not exceed 3.795 inches.
c. Apply engine oil to threads of cylinder head bolt before tightening.

Fig. 17 Cylinder Head Bolt Tightening Sequence:




Fig. 18 Cylinder Head Bolt Tightening Procedure & Specifications:




d. Using sequences shown in Fig. 16 and 17,torque cylinder head bolts using procedures and specifications shown in Fig. 18.

Fig. 20 Water Inlet Pipe Bolt:




e. Loosen water inlet pipe bolt and apply sealant to thermostat case assembly as shown, Fig. 20.
f. Apply a small amount of water to O-ring of water inlet pipe and press thermostat case assembly onto water inlet pipe.