NHTSA Campaign Id 78V032000; Date: Feb. 9, 1978
1976 Mack DM; 1977 Mack DM; 1976 Mack R; 1977 Mack R; 1976 Mack RD; 1977 Mack RD
Component: Engine And Engine Cooling:engine:gasoline
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 459
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.
The dealer will reroute the oil pressure signal line to eliminate potential fire hazard, without charge to owner.
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.
Date Owners notified by Manufacturer: Oct 26, 1978
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