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INSTALLATION (1) Clean the cylinder bores thoroughly. Apply a light film of clean engine oil to the bores with a clean (2) Install the piston rings on the pistons if removed. (3) Lubricate the piston and rings with clean engine oil. CAUTION: Ensure that connecting rod bolts do not (5) Use a piston ring compressor to install the con- necting rod and piston assemblies through the top of (6) Ensure the arrow on the piston top points to the front of the engine (Fig. 87). (7) Raise the vehicle. journal to obtain the specified clearance between the the bearing insert. The size is not stamped on inserts (9) The rod journal is identified during the engine production by a color-coded paint mark on the adja- (10) When required, upper and lower bearing inserts of different sizes may be used as a pair (refer CAUTION: DO NOT intermix bearing caps. Each (11) Install the connecting rod bearing caps and inserts in the same positions as removed. CAUTION: Verify that the oil squirt holes in the (13) Install the oil pan and gaskets as outlined in the installation procedure. (14) Lower the vehicle. rocker arms, bridges, pivots and engine cylinder head (16) Fill the crankcase with engine oil. REAR MAIN OIL SEAL REMOVAL (1) Remove the flywheel or converter drive plate. Discard the old bolts. Fig. 86 Removal of Connecting Rod and Piston Assembly 1 – PISTON Fig. 87 Rod and Piston Assembly Installation 9 - 52 2.5L ENGINE XJ REMOVAL AND INSTALLATION (Continued) |