Cylinder Head Assembly: Service and Repair

CYLINDER HEAD GASKET

Pre-removal Operation
- Draining of the Coolant (Refer to MAINTENANCE (Coolant).
Removal steps
1. Air filter
2. Connection of accelerator cable
3. Radiator upper hose
4. Breather hose
5. P.C.V hose
6. Connection of oxygen sensor connector
7. Air-conditioner drive belt
8. Connection to power steering breather pipe
9. Spark plug cable
10. Connection of high tension cable
11. Self locking nut
12. Connection of front exhaust pipe
13. Gasket
14. Rocker cover assembly
15. Rocker cover gasket
- Fixing to No. 1 cylinder TDC
16. Distributor
17. Camshaft sprocket bolt
18. Cylinder head assembly
19. Cylinder head gasket

NOTE: Non-reusable parts (N) in fig.

SERVICE POINTS OF REMOVAL

20. REMOVAL OF AIR FILTER






21. REMOVAL OF AIR-CONDITIONER DRIVE BELT
Loosen the tension-adjustment nuts of the air-conditioner drive belt and remove the air-conditioner drive belt from the tension pulley.






22. FIXING TO NO. 1 CYLINDER TDC
Turn the crankshaft. Check to be sure that the camshaft sprocket's timing mark and the timing chain's timing mark (shiny white leaf plate) are aligned.






REMOVAL OF CAMSHAFT SPROCKET BOLT
Pull the camshaft sprocket (with the timing chain attached) out from the camshaft, and place it on top of the camshaft sprocket holder.

Caution:
(a) The crankshaft must not be rotated after the cam-shaft sprocket is pulled out from the camshaft.
(b) Be careful not to allow the timing chain to come off from the camshaft sprocket.






23. REMOVAL OF CYLINDER HEAD ASSEMBLY
(1) Disconnect the fuel hose, vacuum hose and wiring harness connected to the intake manifold and carburetor. Refer Cylinder Head R&R.
(2) Loosen the bolts (in the order indicated in the figure) in 2 or 3 steps, and remove from the cylinder head.






SERVICE POINTS OF INSTALLATION

1. INSTALLATION OF CYLINDER HEAD GASKET
Before cylinder head gasket is installed, apply specified sealant to top surface of each butt joint between cylinder block and timing chain case. Specified sealant MOPAR Part No.4318025 or equivalent.

Caution: Be careful not to allow sealant to enter the oil hole in the cylinder block.






2. INSTALLATION OF CYLINDER HEAD ASSEMBLY
(1) lighten the bolts (in the order indicated in the figure) in 2 or 3 steps, and tinally tighten them at the specified torque.
(2) Connect the fuel hose, vacuum hose and wiring harness connected to the intake manifold and carburetor. Refer to Cylinder Head R&R.





3. INSTALLATION OF CAMSHAFT SPROCKET BOLT
Install the camshaft sprocket to the camshaft. Check to be sure that the timing chain's timing mark and the camshaft sprocket's timing mark are aligned.
4. INSTALLATION OF DISTRIBUTOR
Refer to Tune-up and Engine Performance Checks.






5. INSTALLATION OF ROCKER COVER ASSEMBLY
Apply a coating of the specified sealant to the semicircular packing and the cylinder head top surfaces, and then tighten the rocker cover assembly at the specified torque. Specified sealant MOPAR Part No.4318025 or equivalent

Caution: If they are overtorqued, a deformed rocker cover or oil leakage could result.

Post-installation Operation
1, Supplying of Coolant (Refer to MAINTENANCE).
2. Adjustment of the tension of the air conditioner drive belt. (Refer to Engines - Drive Belts Mounts, Brackets and Accessories.
3. Installation of accelerator cable.
4. Installation of air filter.