Diesel Data: Automotive Repair

Campaign - Brake Booster Doesn't Have Low Vacuum Switch: Overview

Model Year 1985

Bulletin No. 85-C-5

File in Group 5

Number 3

Date February 1985
SUBJECT: BRAKE VACUUM PUMP CIRCUIT AND/OR LOW VACUUM INDICATOR LAMP CIRCUIT OMITTED

MODELS AFFECTED: 1985 SKYLARKS EQUIPPED WITH 2.8L MFI ENGINES (ENGINE VIN CODE W)


CONDITION

General Motors has determined that some 1985 Skylarks were assembled without a brake vacuum pump wiring circuit and/or a low vacuum indicator lamp circuit. This results in an inoperative brake vacuum pump and/or an inoperative low vacuum indicator lamp.