Cutlass Supreme V6-3100 3.1L MFI VIN M (1994)
13. MAP sensor from upper intake manifold.
14. Upper intake manifold.
15. Fuel lines at fuel rail and remove from bracket.
16. Install engine support fixture, J 28467-A.
17. Right engine mount, refer to Right Engine Mount. Refer to Drivebelts, Mounts, Brackets and Accessories.
18. Power steering mounting bolts (support pump aside).
19. Coolant inlet pipe from coolant outlet housing.
20. Coolant by-pass at coolant pump and cylinder head.
21. Radiator hose at coolant outlet housing.
22. Coolant outlet housing.
23. Both valve rocker cover, refer to Valve Rocker Covers. Under Cylinder Head Assembly.
24. Lower intake manifold bolts.
IMPORTANT
^
Retain washers in same orientation on center bolts.
25. Loosen rocker arms.
26. Pushrods
IMPORTANT
^
Place pushrods in order so they can be installed in their original position.
27. Intake gasket.
INSPECT
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Flatness of inlet flanges.
CLEAN
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Gasket material from mating surfaces.
^
Excess RTV sealant from front and rear ridges of cylinder block.
^
Sealing surfaces with degreaser.
INSTALL OR CONNECT
1. Place a 2-3 mm bead of GM RTV sealer P/N 1052917 or equivalent on each ridge where the front and rear of the intake manifold contact the
block.
2. Intake manifold gasket.
3. Pushrods.
^
Install pushrods in their original location.
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Coat the ends of the pushrods with prelube GM P/N 1052356.
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Intake pushrods are marked red and are 5-3/4 inches long.
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Exhaust pushrods are marked blue and are 6 inches long.
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Make sure pushrods seat in lifter.
4. Rocker arm nuts.
TIGHTEN
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Rocker arm nuts to 24 Nm (18 lb. ft.).
5. Lower intake manifold.
6. Lower intake manifold bolts.
TIGHTEN
^
Apply sealant GM P/N 12345739 to threads of bolts.
^
Bolts (145) to 13 Nm (115 lb. in.). Bolts (146) to 13 Nm (115 lb. in.).
7. Front valve rocker cover, refer to Valve Cover. Under Cylinder Head Assembly.
8. Coolant outlet housing.
9. Radiator hose to thermostat housing.
10. Coolant inlet pipe to thermostat housing.
11. Coolant by-pass pipe at coolant pump and cylinder head.
12. Power steering pump.
13. Loosely install serpentine belt due to trap design.
14. Right engine mount, refer to Right Engine Mount. Under Drive Belts, Mounts, Brackets and Accessories.
15. Remove engine support fixture, J 28467-A