NHTSA recall 89V055000
Service brakes, air › Antilock
Buick Riviera and 3 more
The defect
One or both ABS hydraulic unit mounting bolts may not be properly seated and could loosen.
The risk
This condition could lead to separation of the abshydraulic unit from the mounting bracket and result in loss of brake functionand a crash without prior warning.
The remedy
Replace both ABS hydraulic unit mounting bolts.