ABS accumulater may fail on Cadillac Fleetwood

The ABS accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard).
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Average mileage: 100,077 (40,000–135,232)
1 model year affected: 1990
4 people reported this problem
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1990 Cadillac Fleetwood 135,232 mi,
same problem
1990 Cadillac Fleetwood 40,000 mi,
Power assist in brakes was totally gone. Replaced with "ACDelco 25528382 Pressure Accumulator" found at amazon.com for $110. Problem solved. Don't forget to bleed off any pressure before unscrewing it by pumping brake pedal to floor about 40 times with vehicle and key turned OFF.