2ND Timing Chain & Chain TENSIONER: Removal
- Disconnect negative battery cable. Drain engine oil and coolant. Remove oil pan and oil pump strainer. See OIL PAN. Remove cylinder head cover. See CYLINDER HEAD COVER .
- Remove timing chain cover. See TIMING CHAIN COVER . Align all sprocket timing marks with timing marks on block. See Figure . Ensure key on crankshaft sprocket is pointing up.
- Remove timing chain tensioner adjuster by turning intake camshaft slightly counterclockwise while pushing back pad. Remove intake and exhaust camshaft sprocket bolts. Remove camshaft sprockets and 2nd timing chain.
CAUTION:
DO NOT turn camshafts more than 15 degrees or crankshaft more than 90 degrees in either direction from aligned position. Doing so could damage pistons and/or valves.