Bonneville V6-231 3.8L VIN 3 SFI (1988)
Hydraulic Fluid Accumulator: Service and Repair
NOTE: Do not attempt to repair or apply heat to the accumulator. Before discarding an inoperative accumulator, drill a 1-16 in. in diameter hole
through the end of the accumulator pan. Do not drill through the piston end. Always wear safety glasses when performing service on the
accumulator.
1. Pump pedal rod several times to ensure accumulator is depleted.
2. Secure brake booster mounting bracket in a vise with pedal rod facing downward.
Fig. 5 Removing accumulator. HB-II
3. Place tool No. J-26889 over master cylinder stud and install retaining nut.
NOTE: If can, cannot easily be depressed approximately .10 in., the accumulator is still charged. This indicates an internal problem with the
accumulator valves and the brake booster must be disassembled.
