Camshaft Chevrolet Corvette C5

Note. It is necessary to remove cylinder heads on this engine for lifter removal.

Removal

1. Remove valve covers and rocker arms. DO NOT remove push rods. Keep components in order for installation reference. See «VALVE COVERS»(ref-97422-S06932975342001050700000) and «ROCKER ARMS & PUSH RODS»(ref-97422-S17918504162001050700000) . Measure lobe lift of camshaft with push rods installed.
2. To measure lobe lift, attach dial indicator to cylinder head. Position indicator pointer onto tip of a push rod. Rotate crankshaft until push rod is at lowest point. Zero indicator. Rotate crankshaft until push rod is at highest point. Record reading, and repeat procedure for remaining lobes.
3. Remove cylinder heads. See «CYLINDER HEADS»(ref-97422-S15754136472001050700000) . Remove oil pan. See «OIL PAN»(ref-97422-S31649701732001050700000) . Remove front cover, oil pump and timing chain. See «TIMING CHAIN»(ref-97422-S33565968122001050700000) . Remove camshaft sensor bolt and sensor. Remove camshaft retaining plate. Remove lifter guide bolts. Remove lifter guide and valve lifters. Using three 5/16" x 18 x 4" bolts as a handle, carefully pull camshaft from engine.

Inspection

Check camshaft for scratches, pits and loose fit in bearings. Check camshaft journal diameter and lobe lift, recorded earlier. Replace camshaft if damaged, or not to specification. See CAMSHAFT SPECIFICATIONS table under ENGINE SPECIFICATIONS. If replacing camshaft, replace lifters.

Installation

Apply Camshaft Prelube (1052365) onto camshaft lobes. Apply engine oil onto bearings and camshaft bearing journals. Change engine oil and filter. To complete installation, reverse removal procedure. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS . Fill and bleed cooling system. See COOLING SYSTEM BLEEDING .

Disconnect negative battery cable. Disconnect IAT and MAF sensor connectors. Remove fuel regulator purge line from air intake duct. Remove air intake duct. Remove air cleaner assembly. Remove accessory drive belts. Drain coolant. Disconnect radiator and heater hoses at water pump. Remove water pump pulley. Remove water pump bolts, water pump and gasket.

To install, reverse removal procedure. Use NEW gasket. Fill and bleed cooling system. See COOLING SYSTEM BLEEDING . Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS .