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1985 Mack Mh

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

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When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

5

88V147000 · Seat Belts

Sep 6, 1988

SEAT TETHER BELTS MAY NOT HAVE BEEN ADJUSTED DURING ASSEMBLY.

Consequence & remedy

Consequence: DURING AN IMPACT, DRIVER AND/OR RIDER CAN MOVE FORWARDAND POSSIBLY STRIKE THE WINDSHIELD, EVEN WHEN WEARING A SEAT BELT.

Remedy: ADJUST SEAT TETHER BELT IF NECESSARY.

86V008000 · Structure

Jan 17, 1986

LEFT OR RIGHT CAB STEP MAY CRACK IN ITS WELDED AREA DUE TO FLEXING OF THE STEP DURING ENTERING AND EXITING. CONSEQUENCE OF DEFECT: AS THE CRACKS EXTEND, THE TUBULAR STEP COULD PARTIALLY COLLAPSE AND BREAK WITHOUT WARNING TO THE USER, AND COULD RESULT IN PERSONAL INJURIES.

Consequence & remedy

Consequence: Not supplied

Remedy: INSTALL A REINFORCEMENT BRACE IF NO CRACKS ARE FOUND. IN ADDITION, REPLACE STEP IF CRACKS ARE PRESENT.

85V113000 · Service Brakes, Air

Sep 17, 1985

THE DUAL DOUBLE CHECK VALVE MAY NOT RELEASE THE PROPER AIR VOLUME TO THE BRAKE SYSTEM, CAUSING A SLIGHT TIMING DELAY BETWEEN THE TRACTOR AND THE TRAILER BRAKE SYSTEM. CONSEQUENCES OF DEFECT: IF THE BRAKES ARE SUDDENLY APPLIED, THE TRAILER COULD JACKKNIFE WITHOUT WARNING TO THE OPERATOR, WHICH COULD RESULT IN A VEHICLE CRASH.

Consequence & remedy

Consequence: Not supplied

Remedy: INSTALL TWO NEW SLEEVES IN THE DUAL DOUBLE CHECK VALVE WHICH WILL INCREASE AIR FLOW.

85V057000 · Steering:linkages:drag:link:connection

May 3, 1985

THE DRAG LINKS MAY HAVE BEEN INSTALLED INCORRECTLY ALLOWING DRAG LINK CLAMP BOLT TO AXLE BEAM INTERFERENCE. CONSEQUENCE OF DEFECT: DURING A TURNING MANEUVER, INCREASED STEERING EFFORT OR COMPLETE LOCKUP OF STEERING COULD OCCUR WITHOUT WARNING. THIS COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH.

Consequence & remedy

Consequence: Not supplied

Remedy: ASSURE THAT DRAG LINKS ARE INSTALLED TO CORRECT INTERFERENCE CONDITION.

85V051000 · Structure:body:bumpers

May 1, 1985

THE FLIP OUT STEP CLEVIS ON THE BUMPER MAY FAIL AND BREAK UNDER THE WEIGHT OF THE PERSON STANDING ON THE STEP TO SERVICE THE FRONT AREA OF THE VEHICLE. CONSEQUENCE OF DEFECT: THIS SUDDEN BREAK WILL CAUSE THE PERSON STANDING ON THE STEP TO FALL, WITHOUT WARNING, AND COULD RESULT IN INJURIES.

Consequence & remedy

Consequence: Not supplied

Remedy: REMOVE THE STEP CLEVIS AND REPLACE WITH A NEW IMPROVED CLEVIS.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE88061 · Seat Tether Failure

Opened Jun 21, 1988 · Closed Sep 12, 1988

Status: closed (inferred from source dates) · Seats

SUMMARY: TRUCK DRIVER REPORTS SEAT TEATHERS ARE NOT PROPERLY ADJUSTED AT FACTORY, ALLOWING SEAT TO HINGE FORWARD IN A COLLISION. TEATHERS ACT AS RESTRAINERS, AND IF IMPROPERLY ADJUSTED SEAT BELT IS USELESS AS IT IS ATTACHED TO THE SEAT. DURING SUDDEN DECELERATION OR COLLISION THE WHOLE ASSEMBLY HINGES FORWARD ALLOWING POSSIBLE FACIAL CONTACT WITH THE WINDSHIELD.===