Suspension: front: springs: leaf spring assembly: hanger,bracket (Mack)
Vehicle recall 78V-169. NHTSA received MACK TRUCKS, INCORPORATED’s report on Aug 7, 1978.
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The short answer
NHTSA received MACK TRUCKS, INCORPORATED’s report on Aug 7, 1978. 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.
THE ALUMINUM FRONT SPRING BRACKET IS DEFECTIVE IN THAT IT MAY SHEAR AT THE POINT OF FRAME RAIL ATTACHMENT.
THIS SHEARING COULD DISLOCATE THE STEERING AXLE.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- NHTSA’s part: Suspension: front: springs: leaf spring assembly: hanger,bracket.
What should you do?
THE DEALER WILL INSTALL A NEW IMPROVED FRONT SPRING BRACKET MADE OF DUCTILE IRON, WITHOUT CHARGE TO OWNER.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- How to reach the firm: VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SUSPENSION; FRONT SPRING BRACKET.CONSEQUENCES OF DEFECT: A DISLOCATED STEERING AXLE COULD RESULT IN LOSS OFVEHICLE CONTROL AND AN ACCIDENT.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 1,300 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.
- Mack RL600and 1977 and 1978, before the model years listed here
- Mack RS600and 1977 and 1978, 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
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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.