Mack Mh 1984

Model Mh made in 1984 by Mack got 9 recalls. There were some recalls concerninglatches/locks/linkages, seat belts and service brakes, air.

Model 1984

Recalls


CampaignManufacturerManufacturing dateType# of units affectedDate Owner notified MfgRecall Initiated byManufacturers of recalled vehicles/productsReport Recieved DateRecord Creation DateRegulation Part NumberFMVSS Number
LATCHES/LOCKS/LINKAGES - DOORS - LATCH
84V141000MACK TRUCKS, INCORPORATEDfrom 05/01/1984 to 08/01/1984V (Vehicle)1300MFRMACK TRUCKS, INC11/07/198411/30/1984571206
Defect SummaryThe door latches may be defective because a pawl spring was not manufactured to specifications. the pawl spring does not create proper tension on the pawl, (a part of the door latch mechanism). this constitutes a non-compliance with the requirements of federal motor vehicle safety standard no. 206, door latches and door retention components.
Consequence Summary
Corrective SummaryThe dealer will inspect and replace door latches, if necessary.
NotesVehicle description: heavy trucks.system: door assembly; latches and locks.consequences of defect: the cab door could open without warning allowingoccupants to be ejected from the vehicle or resulting in an accident.
SEAT BELTS
88V147000MACK TRUCKS, INCORPORATEDfrom 01/01/1982 to 07/01/1988V (Vehicle)1100008/31/1988ODIMACK TRUCKS, INC09/06/198809/19/1988
Defect SummarySeat tether belts may not have been adjusted during assembly.
Consequence SummaryDuring an impact, driver and/or rider can move forwardand possibly strike the windshield, even when wearing a seat belt.
Corrective SummaryAdjust seat tether belt if necessary.
NotesSystem: seat tether belt.vehicle description: heavy duty trucks with air suspension seats.
SERVICE BRAKES, AIR
85V113000MACK TRUCKS, INCORPORATEDfrom 01/01/1982 to 12/01/1984V (Vehicle)502002/07/1986MFRMACK TRUCKS, INC09/17/198509/24/1985
Defect SummaryThe 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 Summary
Corrective SummaryInstall two new sleeves in the dual double check valve which will increase air flow.
NotesVehicle description: heavy duty tractor trailer combinations. system: brakes, tractor to trailer.
STEERING - LINKAGES - LINK - DRAG - CONNECTION
85V057000MACK TRUCKS, INCORPORATEDfrom 08/01/1984 to 03/01/1985V (Vehicle)5212/09/1985MFRMACK TRUCKS, INC05/03/198505/14/1985
Defect SummaryThe 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 Summary
Corrective SummaryAssure that drag links are installed to correct interference condition.
NotesVehicle description: heavy duty trucks with dual steering systems. system: steering drag links.
STEERING - WHEEL AND HANDLE BAR
84V033000MACK TRUCKS, INCORPORATEDfrom 11/01/1983 to 02/01/1984V (Vehicle)439311/05/1984MFRMACK TRUCKS, INC03/22/198404/05/1984
Defect SummaryImproper steering clamp bolts and torque applied during installation. the bolt could fail, allowing the steering yoke to become loose.
Consequence Summary
Corrective SummaryInspection and, if necessary, installation of proper steering shaft clamp bolts tightened to specifications.
NotesVehicle description: heavy trucks.system: steering; shaft clamp bolts.consequences of defect: this can lead to complete loss of steering controlwithout warning and possible vehicle crash.
STRUCTURE
86V008000MACK TRUCKS, INCORPORATEDfrom 04/01/1982 to 03/01/1986V (Vehicle)700008/14/1986MFRMACK TRUCKS, INC01/17/198601/22/1986
Defect SummaryLeft 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 Summary
Corrective SummaryInstall a reinforcement brace if no cracks are found. in addition, replace step if cracks are present.
NotesSystem: cab step. vehicle description: heavy duty trucks with sleeper cab.
STRUCTURE - BODY - BUMPERS
85V051000MACK TRUCKS, INCORPORATEDfrom 04/01/1982 to 04/01/1985V (Vehicle)7500MFRMACK TRUCKS, INC05/01/198505/13/1985
Defect SummaryThe 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 Summary
Corrective SummaryRemove the step clevis and replace with a new improved clevis.
NotesVehicle description: heavy duty ultraliner trucks. system: bumper flip out step clevis.
SUSPENSION - FRONT - SPRINGS - LEAF SPRING ASSEMBLY
84V142000MACK TRUCKS, INCORPORATEDfrom 12/01/1983 to 09/01/1984V (Vehicle)2198MFRMACK TRUCKS, INC11/07/198411/30/1984
Defect SummaryThe spring center bolt is not the proper size or length. as a result, location and alignment of the spring to the front axle may not be correct. if the front spring clips loosen, the inadequate center bolt may result in spring to axle misalignment, shifting of the axle, and loss of steering control.
Consequence Summary
Corrective SummaryThe defect will be corrected by the addition of a spacer between the spring and the center bolt head to increase the effective head length. a longer center bolt will also be installed for positive retention.
NotesVehicle description: heavy trucks.system: suspension; front spring center bolt.consequences of defect: this defect could cause loss of vehicle control and anaccident could result.
TRAILER HITCHES - FIFTH WHEEL ASSEMBLY
84V140000MACK TRUCKS, INCORPORATEDfrom 05/01/1984 to 03/01/1985V (Vehicle)64MFRMACK TRUCKS, INC11/07/198412/03/1984
Defect SummaryDue to improper and inadequate welding practices, the fifth wheel on the involved vehicles is defective. frame mounted supports may have incomplete or poor quality welds. the welds could subsequently fail allowing separation of the tractor from the trailer.
Consequence Summary
Corrective SummaryThe dealer will inspect and remove the fifth wheel and reweld the mounting angles at no charge to the owner.
NotesVehicle description: truck tractors.system: structure; fifth wheel assembly.consequences of defect: if the trailer separates during operation an accidentand personal injury could result.