Steering: hydraulic power assist: hose, piping, and connections (Mack)
Vehicle recall 74V-243. NHTSA received MACK TRUCKS, INCORPORATED’s report on Dec 11, 1974.
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The short answer
NHTSA received MACK TRUCKS, INCORPORATED’s report on Dec 11, 1974. Copied from NHTSA on Oct 20, 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 20, 2026. Updated daily.
- NHTSA’s part: Steering: hydraulic power assist: hose, piping, and connections.
What should you do?
The notice gives no remedy in a field of its own.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- How to reach the firm: MACK CAMPAIGN NO N/A.POSSIBILITY THAT THE POWER STEERING HYDRAULIC LINES WEREROUTED TOO CLOSE TO THE EXHAUST PIPE.IF THIS CONDITION EXISTS THE HOSE COULDDETERIORATE, CAUSING OIL LEAKAGE, RESULTING IN POSSIBLE FIRE HAZARD.(CORRECTBY INSPECTING AND REROUTING HYDRAULIC LINES TO PRECLUDE CONTACT WITH EXHAUSTPIPE).
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 27 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- Mack DM886and 1974, before the model years listed here
Who is recalling it?
- Made by MACK TRUCKS, INCORPORATED.
NHTSA, Recalls flat file before 2010. Released Oct 20, 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
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 20, 2026 and checked Oct 20, 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 20, 2026.