Suspension: rear: springs: leaf spring assembly (Western and Mack)
Vehicle recall 84V-036. NHTSA received MACK TRUCKS, INCORPORATED’s report on Mar 23, 1984.
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 Mar 23, 1984. Copied from NHTSA on Oct 26, 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.
SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY.
LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- NHTSA’s part: Suspension: rear: springs: leaf spring assembly.
What should you do?
THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- How to reach the firm: VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SUSPENSION; REAR SPRING SEAT.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL COULD OCCUR WITHOUT WARNING,POSSIBLY RESULTING IN 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 3,421 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 26, 2026. Updated daily.
- Western RWL Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Western WL Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Western RWS Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Western WS Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack MB Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Western RL Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack R Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Western RS Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack F Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack CFand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack MC Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack MR Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
- Mack FM Seriesand 1978, 1979, 1980, 1981 and 1982, before the model years listed here
Who is recalling it?
- Made by MACK TRUCKS, INCORPORATED.
NHTSA, Recalls flat file before 2010. Released Oct 26, 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 26, 2026 and checked Oct 26, 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 26, 2026.