2007 Mack Gu problems, complaints & recalls
Safety recalls (1)
Electrical System 2014-02-21 · campaign 14V078000 · 70,208 vehicles
Defect: Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. Having completed its investigation, Mack once again expa
Risk: Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
Fix: Mack has notified owners, and dealers will inspect the EPDM. If contamination has occurred, dealers will replace the EPDM and address the leak, free of charge. Owners of model year 2010-2012 CHU, CXU, GU and TD vehicles were initially notified April 24, 2014. Owners affected by the recall expansions were notified in February 2015. Owners may contact Mack Trucks at 1-336-393-2000. Mack's number for this recall is SC0375.
Service bulletins (157)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train 2024-02-16 · CBR-202 202402 · Service Bulletin/Repair Instructions
cbr - automated manual transmission ( amt ) flywheel pilot bearing wear on input shaft.
Engine And Engine Cooling 2023-12-01 · CBR-2320 202312 · Service Bulletin/Repair Instructions
cbr: for vehicles equipped with an 11l engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
Power Train 2023-11-07 · M-465-001 202311 · Service Bulletin/Repair Instructions
tsb: mack trucks now offer an improved hd inter-axle through shaft for the crd 125, 150, 180, and 200 family carriers. the new hd shaft went into production on january 23rd, 2023 for 2.54 - 3.50 axle ratios and april 1st, 2023 for 3.56 - 3.98 ratios. the new hd through shaft is an upgrade over the c
Engine And Engine Cooling 2023-08-18 · M-141-001 202308 · Service Bulletin/Repair Instructions
tsb: air restriction indicator
Suspension 2023-08-14 · M728-005A 202308 · Service Bulletin/Repair Instructions
tsb: barksdale leveling valve, leak test
Equipment:other:owners/Service/Other Manual 2023-05-24 · KC-614-Ver4 · Service Bulletin/Repair Instructions
cbr: ewarranty to uchp labor code ( scc code ) crossover, conversion information for use with campaigns ( fi, pi ) and recalls ( ec, sc ), location on trucks dealer portal ( tdp )
Showing the 6 most recent of 157 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.