MACK R 1977: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

General Information

NHTSA Campaign ID Number: 78V032000

Make Model Year
MACK R 1977
Date Owners Notified Date Received by ODI Date Added to Database
1978-10-26 1978-02-09 1979-10-12

Production Dates: 1976-07-01 - 1977-12-01

Manufacturers Involved: Mack Trucks, Inc.

Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Potential Number Of Units Affected: 459

Report Initiator: MFR MFR Report

Summary

THE SYNFLEX-TYPE OIL PRESSURE SIGNAL LINE MAY HAVE BEEN ROUTED TOO CLOSE TO THE EXHAUST MANIFOLD. EXCESSIVE HEAT MAY CAUSE THE LINE TO RUPTURE, AND OIL LEAKAGE MAY OCCUR.

Remedy

THE DEALER WILL REROUTE THE OIL PRESSURE SIGNAL LINE TO ELIMINATE POTENTIAL FIRE HAZARD, WITHOUT CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH V-8 ENGINES.SYSTEM: ENGINE; OIL PRESSURE SIGNAL LINE.CONSEQUENCES OF DEFECT: IF OIL IS SPRAYED ONTO THE HOT EXHAUST MANIFOLD, AVEHICLE FIRE AND PERSONAL INJURY TO OCCUPANTS COULD RESULT.