CHEVROLET CAVALIER 1983: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

General Information

NHTSA Campaign ID Number: 87V165000

Make Model Year
CHEVROLET CAVALIER 1983
Date Owners Notified Date Received by ODI Date Added to Database
1987-11-17 1987-10-26 1987-11-03

Production Dates: 1982-08-01 - 1983-05-01

Manufacturers Involved: General Motors, LLC

Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

Potential Number Of Units Affected: 126319

Report Initiator: MFR MFR Report

Summary

INTERNAL CORROSION OF PULSAIR CHECK VALVE ASSEMBLY COULD PERMIT EXHAUST GAS TO MELT THE PLASTIC SHUT OFF VALVE AND DRAW VALVE PIECES INTO THE AIR CLEANER AND THROTTLE BODY.

Consequence

IF VALVE PIECES LODGE AGAINST THROTTLE PLATE, ENGINE MAYNOT RETURN TO IDLE RESULTING IN LOSS ACCELERATOR CONTROL AND POSSIBLY A CRASH.

Remedy

REPLACE PULSAIR CHECK VALVE AND SHUT OFF VALVE WITH NEWLY DESIGNED VALVES.

Notes

SYSTEM: PULSAIR CHECK VALVEVEHICLE DESCRIPTION: PASSENGER CARS EQUIPPED WITH 2.0L ENGINES.