Buick Workshop Service and Repair Manuals

Camshaft: Specifications

DIMENSIONS 

Lobe Lift  

Intake .....................................................................................................................................................................................  9.0 mm (0.354 inch)
Exhaust ................................................................................................................................................................................... 8.8 mm (0.356 inch)

Journal   

Diameter No. 1 ........................................................................................................................................... 39.93-39-95 mm (1.5720-1.5728 inch)
Diameter No. 2-5 ........................................................................................................................................ 34.93-34.95 mm (1.3751-1.3760 inch)
Oil Clearance .............................................................................................................................................. 0.050-0.110 mm (0.0019-0.0043 inch)
End Play Clearance .................................................................................................................................... 0.025-0.225 mm (0.0009-0.0088 inch)
Lobe Taper ................................................................................................................................................. 0.046-0.083 mm (0.0018-0.0033 inch)
On Diameter in ................................................................................................................................................................... 14.0 mm (0.5512 inch)

TIGHTENING SPECIFICATIONS 

Rear Cover (exhaust) ........................................................................................................................................................................ 14 Nm (124 lb in)
Position Sensor Bolt ........................................................................................................................................................................... 10 Nm (89 lb in)

Housing Bolts:

Tighten the camshaft housing bolts sequentially ..................................................................................................... 15 Nm (11 lb ft) + 90 degrees.

Housing To

Fuel Pipe Bracket .......................................................................................................................................................... 15 Nm (11 lb ft) + 30°
Fuel Rail .................................................................................................................................................................................. 26 Nm (19 lb ft)
Ignition Coil and Module Assembly ....................................................................................................................................... 22 Nm (16 lb ft)