Camshaft, Engine
L61 ENGINE TORQUE SPECIFICATIONSCamshaft Bearing Cap Bolts 10 Nm (89 inch lbs.)
Intake Camshaft Rear Bearing Cap Bolts 25 Nm (18 ft. lbs.)
Tightening Sequence
Camshaft Bearing Caps
- Install camshaft bearing caps in correct order and hand start camshaft cap bolts.
- The timing chain sprocket alignment notch on the camshaft should be oriented to the eleven o'clock position.
- Tighten camshaft bearing cap bolts in increments of three turns until they are seated.
- Camshaft Bearing Cap Bolts: 10 Nm (89 inch lbs.)
- Apply a 5 mm (13/64 inch) bead of Loctite Anaerobic Gasket Maker 518 to rear intake camshaft bearing cap.
- Install rear intake camshaft bearing cap bolts.
- Intake Camshaft Rear Bearing Cap Bolts: 25 Nm (18 ft. lbs.)
DESIGN SPECIFICATIONS
Cam Bearing I.D. 27.000-27.021 (1.0630-1.0638)
Cam Journal O.D. 26.935-26.960 (1.0604-1.0614)
Camshaft Bearing Clearance 0.040-0.086 (0.0016-0.0034)
Camshaft Thrust Width-Cylinder Head 20.868-20.920 (0.8215-0.8236)
Camshaft Thrust Width-Camshaft 21.000-21.052 (0.8268-0.8252)
Camshaft Endplay 0.040-0.144 (0.0016-0.0057)
Cam Timing, Intake 114 degrees - 120 degrees ATDC
Cam Timing, Exhaust 111.5. degrees - 117.5 degrees BTDC