Vehicle recall 74V002000 · December 2, 1974

1969-1973 Mack R

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Notes: Mack campaign no sco#46.MODELS equipped with turbo unloader.mar 1969 thrunov 1973.TRUCKS.POSSIBILITY that the oil supply line to the turbo unloaderis routed too close to the turbo charger.if this condition exists, heat couldcause hose deterioration and oil leakage which could create a fire hazard.(correct by inspecting and relocating oil lines to provide adequate clearancebetween oil supply line and turbo changer).

Recall details

NHTSA campaign: 74V002000
Reported to NHTSA: December 2, 1974
Filed by: MACK TRUCKS, INCORPORATED
Owner notification: March 19, 1974
Vehicles potentially affected: 844
Initiated by: the manufacturer
Components: Engine and engine cooling › Engine

Recall 74V002000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Mack R (1969-1973): 1973, 1972, 1971, 1970, 1969

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