Mack GU recalls and problems

14 recalls and 6 owner complaints for 5 model years. Pick your year for full details.

Recalls
14
Complaints
6
Crashes reported
1
Fires reported
0

Choose a model year

Mack GU by year

YearRecallsComplaintsCrashesFiresInjuriesDeaths
2011 GU500000
2010 GU410000
2009 GU710000
2008 GU900000
2007 GU200000

Most reported Mack GU problems

Problem areaReports
Power Train2
Engine2
Electrical System1
Exterior Lighting1
Visibility/Wiper1
Structure1
Vehicle Speed Control1

All Mack GU recalls

RecallDateYearsComponentSummary
14V-208Apr 18, 20142008–2011Exterior LightingMack Trucks Inc.
14V-078Feb 21, 20142007–2011Electrical SystemMack Trucks, Inc.
12V-519Oct 18, 20122009Electrical SystemMack Trucks is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box.
11V-292May 20, 20112008–2011Electrical SystemMack trucks is recalling certain model year 2008-2011 gu heavy trucks manufactured from september 12, 2007, through april 8, 2011, with a four battery cable design.
11V-272May 3, 20112011Service Brakes, AirMack trucks is recalling certain model year 2011-2012 chu, cxu, gu, leu and mru trucks manufactured from october 15, 2010, through january 31, 2011, and equipped with gunite automatic slack adjusters.
10V-404Sep 7, 20102008–2011Service Brakes, AirMack is recalling certain model year 2008 through 2011 gu and mru model vehicles manufactured with a front tow glad hand option.
08V-331Jul 23, 20082009Exterior LightingMack is recalling certain my 2009 trucks equipped with hella headlamps for failing to comply with the photometric output requirements of federal motor vehicle safety standard no.
08V-177Apr 17, 20082009Parking BrakeMack is recalling 66 my 2009 gu trucks equipped with bendix mv-3 dash control valves.
07V-478Oct 11, 20072008Exterior LightingOn certain trucks, the daytime running lights (Drl) module may contain a suspect metal-oxide-semiconductor field effect transistor (Mosfet) that could overheat.
07V-361Aug 15, 20072008Service Brakes, AirOn certain trucks equipped with parker single check valves (Scv) provided by bendix.
07V-360Aug 15, 20072008Parking BrakeOn certain trucks equipped with bendix sr-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls…
07V-322Jul 24, 20072008SteeringOn certain trucks, the nut used to retain the steering shaft may or may not be a lock nut that has the locking feature.
07V-098Mar 14, 20072008Service Brakes, HydraulicOn certain trucks, the cotter pin that retains the brake pedal clevis pin may not have been installed.
07V-053Feb 15, 20072007SuspensionOn certain trucks equipped with a 46k pound chalmers rear suspension, the adjustable torque rods used on the suspension may be brittle.

Frequently asked questions

What is the worst year for the Mack GU?

By owner complaints to NHTSA, the 2010 Mack GU has the most reports (1). Check the 2010 page for the problems owners describe.

How many recalls does the Mack GU have?

NHTSA lists 14 safety recalls covering Mack GU model years 2007–2011.

What are the most common Mack GU problems?

Owners report power train, engine, electrical system problems most often.