|
|
(10) Installation of the timing chain with the tim- ing marks on the crankshaft and camshaft sprockets INSTALLATION Assemble the timing chain, crankshaft sprocket and camshaft sprocket with the timing marks aligned (Fig. 58). (1) Apply Mopar Silicone Rubber Adhesive Sealant to the keyway in the crankshaft and insert the key. (2) Install the camshaft sprocket bolt and washer (Fig. 59). Tighten the bolt to 68 N·m (50 ft. lbs.) (3) To verify correct installation of the timing chain, rotate the crankshaft 2 revolutions. The cam- (4) Install the crankshaft oil slinger. way, install the vibration damper, washer and bolt. (8) Install the serpentine drive belt. (refer to Group 7, Cooling System for the proper procedure). (9) Install the fan and hub assembly. Install the shroud. (10) Connect negative cable to battery. CAMSHAFT REMOVAL WARNING: THE COOLANT IN A RECENTLY OPER- ENGINE IS HOT AND PRESSURIZED. RELEASE THE PRESSURE BEFORE REMOVING (1) Disconnect negative cable from battery. able coolant. If the solution is clean, drain it into a (3) Remove the radiator or radiator and condenser, if equipped with A/C (refer to Group 7, Cooling Sys- (4) Remove the distributor cap and mark the posi- tion of the rotor. (5) Remove the front fascia and/or grille, as required. (6) Disconnect camshaft position sensor electrical connector and remove camshaft position sensor. (7) Remove the engine cylinder head cover. engine cylinder block. (12) Remove the vibration damper. and thrust plate. (16) Remove the camshaft (Fig. 60). INSTALLATION (1) Inspect the cam lobes for wear. pattern or finish. (3) Inspect the bearings for wear. excessive wear, examine the oil pressure relief holes (6) Lubricate the camshaft with Mopar Engine Oil Supplement, or equivalent. (7) Carefully install the camshaft to prevent dam- age to the camshaft bearings (Fig. 60). (8) Inspect thrust plate surfaces for excessive wear, position thrust plate and install retaining (9) Install the timing chain, crankshaft sprocket and camshaft sprocket with the timing marks aligned. Fig. 59 Camshaft Sprocket and Thrust Plate 1 – CAMSHAFT 9 - 42 4.0L ENGINE WJ REMOVAL AND INSTALLATION (Continued) |