Investigation PE88002: 1987 Chevrolet S10

Status

CLOSED

Opened

Oct 9, 1987

Closed

Apr 22, 1988

Model years

1987

Subject

Frctr of p/s pump brckt

Component: Steering

Summary

General motors has determined that some 1987 gmc s/t model trucks mayexperience fracture of the power steering pump support brace. Thiscondition can in turn lead to possible fracture of the power steeringpump mounting bracket and/or loss of the serpentine accessory drivebelt. Loss of the drive belt would result in loss of a/c, generator,power steering assist and water pump operation.analysis: there are no reports in the odi letter file regarding thisproblem.although g.m. Has 153 complaints, most ofwhich are warranty claims, only two accidents have been reported thatwere allegdly caused by the failure of the p/s system. P/s assist failureshould not negate steering control even though there is an appreciableincrease in steering effort.======

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

• 1987 Chevrolet S1027 complaints