Question about 2000 Pontiac Grand Am GT
2.2L Engine & 2.4L Engines
These engines are not equipped with rocker arms. The camshafts directly actuate the valves.
3.1L Engine & 3.4L Engines
When install or connect the check the following:
- Pushrods and the rocker arms. Torque the bolts to 24 ft. lbs. (32 Nm). - Rocker arm cover using a new gasket. Torque the rocker cover bolts to 89 inch lbs. (10 Nm).
- Heater bypass pipe. Torque the screw at the water pump to 106 inch lbs. (12 Nm), the bolt at the cylinder head corner to 18 ft. lbs. (25 Nm) and the nut to 18 ft. lbs. (25 Nm).
About the INTAKE MANIFOLD...
- Intake manifold nuts and bolts and tighten to 89 inch lbs. (10 Nm)
- Pushrods and rocker arms. Torque the bolts to 89 inch lbs. (10 Nm) plus an additional 30 degree turn. - Lower intake manifold. Apply sealant to the threads of the bolts and torque the bolts to 115 inch lbs. (13 Nm).
Exploded view of the upper and lower intake-3.1L & 3.4L engines
Fig. Lower intake manifold tightening sequence-3.1L & 3.4L engines
Posted on May 04, 2010
The torque specification is a 2-step process; tighten the vertical lower intake manifold bolts (the four middle ones) to 7 Nm (62 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 7 Nm (62 lb in). Tighten the vertical lower intake manifold bolts (the four middle ones) to 13 Nm (115 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 25 Nm (18 lb ft).
14 N.m (124 lb. in.) plus 30
Posted on May 04, 2010
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Posted on Jan 02, 2017
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