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2011 Mack Pinnacle (chu) recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

7 recalls found in NHTSA data as of September 22, 2026

For the 2011 Mack Pinnacle (chu). These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.

2011 Mack Pinnacle (chu) recalls, newest first

October 13, 2015NHTSA 15V644000448 vehicles potentially affected

Trailer hitches › Fifth wheel assembly

Summary
Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2014 Pinnacle (CHU and CXU) trucks manufactured September 10, 2010, to June 17, 2013. The affected trucks are equipped with Fontaine Ultra LT Fifth Wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a locking mechanism that may fail to operate or to properly engage.
Consequence
If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.
Remedy
Mack will notify owners, and Fontaine dealers will replace the fifth wheel with an Ultra NT model fifth wheel, free of charge. The recall began on November 18, 2015. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0395.

This recall on nhtsa.gov

April 18, 2014NHTSA 14V20800044,047 vehicles potentially affected

Exterior lighting › Turn signal › Flasher unit

Summary
Mack Trucks Inc. (Mack) is recalling certain model year 2010-2014 CHU, CXU, and MRU, 2007 CT and CV, 2008-2014 GU, and 2011-2014 LEU, and TD trucks manufactured February 28, 2006, through November 8, 2013, and equipped Hamsar Electronic Flasher. The hazard warning lights may fail.
Consequence
A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
Remedy
Mack will notify owners, and dealers will replace the electronic flasher unit, free of charge. The recall will begin by mid-June 2014. Interim letters went out to owners on June 23, 2014. The recall began on July 25, 2014. Owners may contact Mack customer service at 1-866-298-6586. Mack's number for this recall is SC0379.

This recall on nhtsa.gov

February 21, 2014NHTSA 14V07800070,208 vehicles potentially affected

Electrical system

Summary
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 expanded the recall during February 2015 to include an additional 53,780 vehicles from model years 2007 and 2015. The recall now covers model year 2007-2015 includes CHU, CXU, GU and TD vehicles produced October 13, 2006, through October 3, 2014. In the affected vehicles, the Electronic Power Distribution Module (EPDM) may be contaminated from water leaks in, and around, the windshield. If exposed to water leaks, contaminants such as road salts may deposit on the EPDM.
Consequence
Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
Remedy
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.

This recall on nhtsa.gov

July 21, 2011NHTSA 11V370000475 vehicles potentially affected

Power train › Clutch assembly › Pedal/hand lever(motorcycle)

Summary
Mack trucks is recalling certain model year 2010-2011 chu, cxu and gu heavy trucks manufactured from July 12, 2010, through July 23, 2010 for a potentially defective weld on the shaft that the clutch pedal attaches to.
Consequence
If the weld fails, the pedal shaft may work its way loose and potentially cause the clutch pedal to fall to the floor, which would limit the driver's control of the vehicle increasing the risk of a crash.
Remedy
Dealers will replace the clutch pedal shaft free of charge. The safety recall began on August 29, 2011. Owners may contact mack trucks at 1-800-866-1177.

This recall on nhtsa.gov

May 3, 2011NHTSA 11V2720001,524 vehicles potentially affected

Service brakes, air › Slack adjusters › Automatic

Summary
Mack 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. Due to an incomplete "knitting" of the iron at the time of casting, inadequate structural integrity of the slack adjuster housing can occur, which could cause the housing to break at the handle under normal operating loads.
Consequence
Slack adjusters with this flow notch could crack under normal braking conditions causing loss of braking which could result in a vehicle crash.
Remedy
Mack trucks will notify owners and dealers will replace the subject slack adjusters free of charge. The safety recall began on August 24, 2011. Owners may contact mack trucks at 1-800-528-6586.

This recall on nhtsa.gov

March 31, 2011NHTSA 11V209000808 vehicles potentially affected

Trailer hitches › Fifth wheel assembly

Summary
Mack trucks is recalling certain model year 2008-2011 chu and cxu heavy trucks manufactured from January 2008 through July 2010. There may be an interference with the bolts used to secure the fifth wheel to the frame that can prevent the bolts from being torqued to specification.
Consequence
The bolts may fail and could result in the fifth wheel coming loose causing the trailer to separate from the tractor increasing the risk of a crash.
Remedy
Dealers will inspect and replace the bolts as required free of charge. The safety recall began on may 30, 2011. Owners may contact mack trucks at 1-800-866-1177.

This recall on nhtsa.gov

October 27, 2010NHTSA 10V53700021 vehicles potentially affected

Visibility

Summary
Mack trucks is recalling certain model year 2011 chu and cxu, heavy trucks manufactured from July 13, 2010, through August 13, 2010, without rear mud flap hanger brackets. These vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 108, "lamps, reflective devices, and associated equipment." the rear conspicuity treatment typically found on the mud flap hanger brackets may not have been installed in the alternate positions as allowed in the regulation on vehicles manufactured without rear mud flap hanger brackets.
Consequence
Lack of reflectors could lead to reduced visibility of the vehicle increasing the risk of a crash.
Remedy
Dealers will inspect and install conspicuity treatment as required free of charge. The safety recall began on February 2, 2011. Owners may contact mack trucks at 1-800-866-1177.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2011 Mack Pinnacle (chu) were found in NHTSA’s complaint data.

Other Mack Pinnacle (chu) years

Other 2011 Mack models

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All of 2011’s most recalled vehicles

Questions

Does the 2011 Mack Pinnacle (chu) have any recalls?
7 recalls found in NHTSA data as of September 22, 2026, covering: trailer hitches, exterior lighting, electrical system, power train, service brakes, air, visibility. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2011 Mack Pinnacle (chu) recall has been fixed?
Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2011 Mack Pinnacle (chu)?
0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.