1985 Mack Mack
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
Have the VIN?
These records cover every 1985 Mack Mack. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
7 recalls name the 1985 Mack Mack. Newest first.
The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
Risk and remedy
Risk
The spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due to the sudden drag of the spring.
Remedy
Replace all 7/8 inch diameter spring eye bolts with 1 inch diameter bolts.
An incorrect 3/4 inch bolt was installed on rt/rs 450 suspension.
Risk and remedy
Risk
This bolt may break, causing disengagement of the beam connection of rear suspension, resulting in loss of control, which could result in an accident.
Remedy
Retrofit chassis with 1 inch bolts.
Some air brake hose assemblies may not comply with burst strength requirements of fmvss 106.
Risk and remedy
Risk
Vehicles do not comply with standard.
Remedy
Replace suspect hose assemblies.
Crossmember can be overstressed and can fail, allowing the broken crossmember to protude above the top of the frame and interfere with chassis components.
Risk and remedy
Risk
Trailer handling could be affected during turningmaneuvers which could result in loss of truck control and a crash. also, acompletely separated crossmember could affect height of suspension air springsand the resulting lean could result in loss of control.
Remedy
Installation of a bolted double plate type crossmember to replace the standard channel type crossmember.
Front steering knuckle thrust bearing may shatter into pieces due to improper heat treatment. consequence of defect: failure of the bearing may affect steering control. if bearing disintegrates, it would result in increase…
The spring eye bolt was not torqued properly and could fail due to the loose fit within the spring eye bushing/hanger bracket. consequence of defect: the spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due…
Risk and remedy
Remedy
Not available at this time. in the interim the torque of the spring eye bolt will be checked.
Incorrect inner wheel bearings were installed in the rear axles which wears a groove in the spindle due to a poor fit. consequence of defect: a deep groove could cause the axle housing to break and result in a vehicle crash without prior warning.
Risk and remedy
Remedy
Replace inner wheel bearing with correct bearing. also, if a groove IS present, remove the groove and assure that no cracks are present. replace housing if cracked.
Defect investigations
NHTSA’s Office of Defects Investigation opened these reviews into vehicles including this one.
- Crossmember cracking
Summary of information from manufacturer:a manual control valve for theair suspension IS mounted on the subject crossmember.the subject cross-member can be overstressed and fail, resulting in it protruding above thetop of the frame and interfering with trailer chassis components.thiscould result in loss of vehicle…
Summary of information from manufacturer:a manual control valve for theair suspension IS mounted on the subject crossmember.the subject cross-member can be overstressed and fail, resulting in it protruding above thetop of the frame and interfering with trailer chassis components.thiscould result in loss of vehicle control.additionally, if the subjectcrossmember completely separates, the height of the suspension air springscould be affected.the resulting lean could cause an unsuspecting driverto loose control of the vehicle.analysis:concurrence with the manufacturer's information.proposed action:close this pe.mack submitted a defect report onfebruary 2, 1987.currently they are working on a permanent solution tocorrect the defect.the solution will be analyzed when available.===
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 10215315Programming Failure - Chassis With Cummins Engine And An Allison Transmission
- 10215312(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
- 10215289Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
- 10215287US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
- 10215285New Trim Codes May Need To Be Reprogrammed Following Engine Replacement With 7/8 Reman Or Complete (Engine With Both New Injectors And Engine Control Module); Possible Uneven Operation/Rough Running At Idle Following EMS Programming With Data Transfer.
- 10213658Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
- 10213652Low Oil Pressure Diagnostic Process For 11 Liter Engines
- 10213644Premium Tech Tool ( PTT ) Training Materials And Support Tools
- 10213642No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
- 10213641Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
- 10213640Electronically Controlled Suspension (ECS) Losing Air Pressure
- 10213639Low Voltage Disconnect (LVD), Function Description
- 10213638DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213637DEF Pump Cycling periodically Hours After Key Off
- 10213636Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213633USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
- 10213632NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213630Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed
- 10213625Mack - PTO Pump Speed Calculator
- 10213612(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
- 10213609Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
- 10213608Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
- 10213605Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
- 10203162Electronic Control Unit (ECU) Replacement (EMS, VECU, TECU, LCM) - Programming (Conversion Kit) Requirements When Installing An ECU With A Newer Part Number - US04 To US10 Chassis (9-Pin Diagnostic Connector)
- 10203161V-MAC - Install Under Windows 2000/XP
- 10203160AMT Gearbox 4320-07-03-01-Transmission And Clutch Pulling Position, Calibration And 4000-07-04-01-Transmission,Calibration(Transmission Removed)Explanations
- 10203128Mack Chassis - Spark Assist Engine Aftertreatment System Troubleshooting Check Sheet - US10 Emissions
- 10203126Mack Command Steer - Diagnostic Trouble Codes - Electronic Control Unit, Event Information"
Every Mack Mack model year
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