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ROCKER ARMS REMOVAL (1) Remove cylinder head cover(s) using procedure outlined in this section. CAUTION: Always rotate engine by turning the (2) Rotate engine until the cam lobe is on its base circle (heel), on the rocker arm being removed. CAUTION: Depress valve spring only enough to (3) Using Special Tools 8215 and 8216 Adaptor, depress valve spring only enough to release tension (4) Remove rocker arm from cylinder head. CAUTION: If rocker arms are to be reused, identify (5) Repeat procedure for each rocker arm being removed. INSPECTION Inspect the rocker arm for wear or damage (Fig. 43). Replace as necessary. INSTALLATION (1) Lubricate with rocker arms with clean engine oil before installation. (2) Rotate engine until cam lobe is on its base cir- cle (heel) of rocker arm being installed. (3) Using Special Tools 8215 and 8216 Adaptor, depress valve spring only enough to install rocker (4) Install rocker arm in original position (if reused) over valve and lash adjuster. Release tension NOTE: Inspect rocker arm for proper engagement into lash adjuster and valve tip. (5) Repeat procedure for each rocker arm being installed. (6) Install cylinder head cover(s) using procedure outlined in this section. HYDRAULIC LASH ADJUSTER REMOVAL (1) Remove cylinder head cover(s). Refer to proce- dure outlined in this section. (2) Remove rocker arm(s). Refer to procedure out- lined in this section. CAUTION: If lash adjusters and rocker arms are to (3) Remove lash adjuster(s). INSTALLATION (1) Install hydraulic lash adjuster making sure adjusters are at least partially full of oil. This can be (2) Install rocker arm(s). Refer to procedure out- lined in this section. (3) Install cylinder head cover(s). VALVE STEM SEALS OR VALVE SPRINGS—IN REMOVAL (1) Perform fuel system pressure release procedure before attempting any repairs. Refer to Group 14, (2) Disconnect negative cable from remote jumper terminal. Fig. 42 Rocker Arm—Removal/Installation Fig. 43 Rocker Arm LH 2.7L ENGINE 9 - 35 REMOVAL AND INSTALLATION (Continued) |