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CAMSHAFT REMOVAL Camshafts are serviced from the rear of the cylin- der head. The cylinder head must be removed. (1) Remove Camshaft Sprocket. Refer to Camshaft Sprocket Removal in this section. (2) Remove cylinder head. Refer to Cylinder Head Removal in this section. (3) Mark the rocker arm and shaft assembly before removal. Remove the rocker arm and shaft assembly (4) Remove the rear camshaft cover and O-ring from head. CAUTION: Be careful not to Nick or Scratch the journals when removing the camshaft. (5) Carefully remove the camshaft from the rear of the cylinder head. INSTALLATION (1) Lubricate camshaft journals and cam with clean engine oil and install camshaft into cylinder (2) Install the rocker arm assembly. Refer to pro- cedure outlined in this section. NOTE: Refer to Camshaft Sprocket and Timing Pro- CAMSHAFT SPROCKETS AND TIMING PROCEDURE REMOVAL CAUTION: The 3.2/3.5L engines are NOT a free- CAUTION: When camshaft sprocket bolts are loos- (1) Hold camshaft sprocket with 36 mm (1 7/16 in.) box wrench loosen and remove bolt and washer. To (2) Remove camshaft sprocket from camshaft. Each sprocket has a D shaped hole that allows it to This design must be timed with the engine to ensure TIMING PROCEDURE—3.2/3.5L CAUTION: The camshaft sprockets are not inter- changeable from side to side (Fig. 47). (1) Place crankshaft sprocket to the TDC mark on the oil pump housing (Fig. 48). (2) Install a dial indicator in number 1 cylinder to check TDC of the piston (Fig. 53). Rotate the crank- (3) Install the camshaft alignment Special Tools 6642 to the rear of each cylinder head (Fig. 49). Fig. 47 Camshaft Sprocket Identification Fig. 48 Timing Belt System 300M 3.5L ENGINE 9 - 35 REMOVAL AND INSTALLATION (Continued) |