J2000/Sunbird V6-191 3.1L VIN T MFI (1994)
26. Upper radiator hose at thermostat housing.
27. Thermostat housing.
28. Remove valve cover.
29. Intake manifold.
Important: Retain washers in same orientation on 4 center bolts.
30. Loosen rocker arms.
31. Pushrods.
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Intake and exhaust pushrods are different lengths with the exhaust pushrod being the longer of the two. Intake pushrods are marked orange;
and are 6 inches long; exhaust pushrods are marked blue and are 6-3/8 inches long.
32. Intake gasket.
Inspect
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Flatnest of inlet flanges.
Clean
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Gasket material from mating surfaces.
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Excess RTV sealant from front and rear ridges of cylinder.
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Block.
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Sealing surfaces with degreaser.
Install or Connect
Figure 1. Intake Manifold Installation
1. Place a 2-3 mm head of GM RTV sealer P/N 1052917 or equivalent on each ridge where the front and rear of the intake manifold Coutact the
block.
2. Intake manifold gasket.
3. Pushrods.
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Intake pnshrods are marked orange and are 6 inches long.
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Exhaust puabrods are marked blue and are 6 3/8 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 25 Nm (18 lbs. ft.).
