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Chevrolet C70 Recall 86V170: Steering:Hydraulic Power Assist System

NHTSA campaign 86V170, reported December 22, 1986, 9,038 vehicles potentially affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 86V170GENERAL MOTORS CORP.
Component
STEERING:HYDRAULIC POWER ASSIST SYSTEM
Problem
THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET MATING SURFACE. CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF FRONT AXLE BRAKING. WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.
Risk
Remedy
REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL; REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.
Notes
SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.

Affected vehicles

Chevrolet C7019851986
GMC C719851986