Pontiac 22500807 Engine Crankshaft FLYWHEEL

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To remove the manual transmission, one should matchmark the clutch cover and flywheel for reinstallation. Removing the flywheel involves unscrewing the bolts which are spaced unevenly. To replace a ring gear, bore a hole between two teeth and then split it using a cold chisel. To install a new gear, first polish areas on the ring, heat it until the polished spots turn blue, and place it on the flywheel shoulder. Subsequently, allow ring to cool and collapse back into place. The flywheel must be free of burrs as well as crankshaft flange before installation of flywheel commences. For automatic transmission removal, first detach the transmission and then remove six bolts that attach flywheel to crankshaft flange. In this regard, while inspecting a flywheel for cracks, wear or broken teeth also check for burrs on crankshaft flange and flywheel). Install the flywheel in its correct position with irregularly spaced bolt holes; thereafter torque bolts to specification. Check runout on the face of the flywheel using dial indicator; high side should be tapped with a mallet if necessary. If runout is beyond limit, remove the wheel again checking for burrs between it and crankshaft mounting flange.

Next, take out the bolts securing the flywheel to the crankshaft flanges and then remove the flywheel.

Begin by removing the transmission.

In the case of automatic transmissions, position the flywheel with the torque converter attaching pads facing the transmission.

Check for scoring on the clutch friction face. Light scoring may be dressed out using emery cloth, but deep scoring necessitates replacing the flywheel to prevent clutch damage.

If no change is noted in the vibration, move the clip 90 degrees and run the engine again.

Yes, the automatic transmission flex plate can be balanced using balance clips available from the dealer parts department.

For manual transmissions, the flywheel should be installed by aligning the dowel hole in the crankshaft with the dowel hole in the flywheel.

The uneven spacing of the bolt holes ensures correct installation.

The first step is to remove the transmission and then take out the 6 bolts that attach the flywheel to the crankshaft flange.

Inspect the converter securing bolt holes for elongation.

Tighten the bolts gradually until the proper torque specification is reached, and it is advisable to use a thread sealing agent on the bolt threads.

Tap the high side of the flex plate with a mallet or similar tool to correct it.

Check for scoring on the clutch friction face. Light scoring may be dressed out using emery cloth, but deep scoring necessitates replacing the flywheel to prevent clutch damage.

Ensure the crankshaft flange is free of burrs to prevent run-out and vibration.