× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1987 Buick Regal 3.8L Accumulator
Posted to GM Brakes on 1/30/1998

Greetings:

Customer complaint is a 'buzzing' noise when the brake is applied. This Powermaster brake booster runs the pump motor every time the brake pedal is depressed. It should take 2-4 brake pedal applications before running the pump.

I'd like to know ho...

  Related Documents & Media  1987 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1987 Buick Regal

VIN 1G4GJ1176H
Engine3.8 L / 6 cyl
AffectedAccumulator
ConditionsPressure Leakdown
Misc.Turbo Grand National
Message Closed w/FIX

car Vehicle Data

1987 Buick Regal

VIN 1G4GJ1176H
Engine3.8 L / 6 cyl
AffectedAccumulator
ConditionsPressure Leakdown
Misc.Turbo Grand National