NHTSA Campaign 78V032000

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Issued by MACK TRUCKS, INCORPORATED · Reported Feb 9, 1978 · 459 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
MACK DM 1976 459
MACK DM 1977 459
MACK R 1976 459
MACK R 1977 459
MACK RD 1976 459
MACK RD 1977 459

Source: NHTSA Campaign 78V032000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.