Bonneville V6-231 3.8L VIN 3 SFI (1988)
inaccurate (either too low or too high) when the fluid is up to operating temperatures. Too low a fluid level will cause air to be
sucked into the filter, and too high a level will cause fluid foaming due to churning. Check the height with thermo element height
setting tool, J 34094-A.
8.
4th clutch hub and shaft assembly should have one needle missing from the inside of the bearing cage for oil flow to the 4th clutch fiber and
reaction plates.
9.
Cooler Flow Test - Oil cooler for the transaxle that is located in the radiator and the oil-to-air cooler (optional) that is connected in series with the
radiator transaxle oil cooler: Correct flow is two quarts of fluid per 30 seconds. Also, it must be flushed; refer to Labor Time Guide for labor
operations that must have the transaxle oil cooler flushed.
10.
Input Housing To 3rd Roller Cam Thrust Washer Replaced With A
Needle Bearing:
Reference Pontiac Service Bulletin 86-7-53 issued 2/88 for details about interchangeability and past model service.
11.
The lube dam must be installed on most 1986 and newer models between the input and reaction carriers. Leaving a worn, damaged or missing
lube dame will allow too much lubrication fluid to leak into the bottom pan. Reference Pontiac Service Bulletin 86-7-23 issued 2/88.
