Fig. 11 Distributor Drive

install the new cam plug to a depth of 0.5mm (0.020 inch) below the surface of the cylinder head.

(6) Replace air cleaner assembly.

CAMSHAFT END SEAL (PLUG) SERVICEÐOUT OF VEHICLE SERVICE

Install end seal plug with Special Tool MD998306. (Fig. 13).

Fig. 12 Install Camshaft Oil Seal

CYLINDER HEAD

REMOVAL

(1) See Timing System this group for disassembly and remove camshaft sprockets.

Fig. 13 Install Camshaft End SealÐPlug

(2)See Camshaft Rocker Arms Removal.

(3)Remove upper intake manifold assembly. Refer to Intake and Exhaust Manifolds, Group 11.

(4)Remove distributor.

(5)Remove exhaust manifolds and cross over Refer to Intake and Exhaust Manifolds, Group 11.

Fig. 14 Cylinder Head Bolt Removal Sequence

(6) Remove cylinder head bolts in sequence shown in (Fig. 14) and remove cylinder head.

Fig. 15 Check Cylinder Head

INSPECTION

(1)Before cleaning, check for leaks, damage and cracks.

(2)Clean cylinder head and oil passages.

(3)Check cylinder head for flatness (Fig. 15).

(4)Cylinder head must be flat within;

²Standard dimension = less than 0.05mm (.002 inch)

²Service Limit = 0.2mm (.008 inch)

²Grinding Limit = Maximum of 0.2 mm (.008 inch) is permitted.

CAUTION: This is a combined total dimension of stock removal from cylinder head if any and block top surface.

Fig. 16 Cylinder Head Bolt Tightening Sequence

INSTALLATION

(1) Clean surfaces of head and block, install head gasket over locating dowels.