Fuel system, gasoline: delivery: hoses, lines/piping, and fittings (Mack)
Vehicle recall 74V-003. NHTSA received MACK TRUCKS, INCORPORATED’s report on Dec 2, 1974.
Watch and the shortlist are kept with a free account, on every device. Your watch list. NHTSA’s own record is on nhtsa.gov.
The short answer
NHTSA received MACK TRUCKS, INCORPORATED’s report on Dec 2, 1974. Copied from NHTSA on Oct 28, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
The notice gives no hazard in a field of its own.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- NHTSA’s part: Fuel system, gasoline: delivery: hoses, lines/piping, and fittings.
What should you do?
The notice gives no remedy in a field of its own.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- How to reach the firm: MACK CAMPAIGN NO SCO#47.OCT 1969 THRU APR 1974.TRUCKS.POSSIBILITY THATTHE FUEL RETURN LINE IS ROUTED TOO CLOSE TO THE EXHAUST PIPE AND EXCESSIVE HEATCOULD CAUSE PREMATURE DETERIORATION OF THE FUEL HOSES.THIS CONDITION COULDCAUSE FUEL LEAKAGE AND BE A POTENTIAL FIRE HAZARD.(CORRECT BY INSPECTING ANDREROUTING FUEL LINES TO PREVENT FUEL LINE FAILURE).
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 1,548 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- Mack RL797and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack RL795and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack FL795and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack FL797and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack FS797and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack RS795and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack F797and 1969, 1970, 1971 and 1972, before the model years listed here
- Mack F795and 1969, 1970, 1971 and 1972, before the model years listed here
- Mack RS797and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
- Mack FS795and 1970, 1971, 1972, 1973 and 1974, before the model years listed here
Who is recalling it?
- Made by MACK TRUCKS, INCORPORATED.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
-
National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 28, 2026 and checked Oct 28, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.