- The problem
- 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.
- The risk
- 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.
- The fix
- 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.
Vehicle safety record
2011 Mack Pinnacle (chu) Problems, complaints & recalls
No owner complaints about the 2011 Mack Pinnacle (chu) have been filed with NHTSA. It is covered by 7 recalls, the latest in October 2015 for the fifth wheel assembly.
NHTSA data checked
DMore problems than a typical Pinnacle (chu) year, for its age
- Complaints
- 0
- Recalls
- 7
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
2011 Mack Pinnacle (chu) recalls 7
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
- The problem
- 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.
- The risk
- A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
- The fix
- 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.
- The problem
- 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.
- The risk
- Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
- The 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.
- The problem
- 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.
- The risk
- 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.
- The fix
- 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.
- The problem
- 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.
- The risk
- Slack adjusters with this flow notch could crack under normal braking conditions causing loss of braking which could result in a vehicle crash.
- The fix
- 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.
- The problem
- 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.
- The risk
- 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.
- The fix
- 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.
- The problem
- 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.
- The risk
- Lack of reflectors could lead to reduced visibility of the vehicle increasing the risk of a crash.
- The fix
- 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.
What owners say
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No complaints about the 2011 Mack Pinnacle (chu) yet
No owner has filed a complaint about this vehicle with NHTSA. If yours has a problem, share it here and report it to NHTSA.
Mack Pinnacle (chu): every year compared
All Pinnacle (chu) years2011 Mack Pinnacle (chu) vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2011 Mack Pinnacle (chu) | 0 | 7 | D | |
| 2011 Mack CXU612 | 1 | 0 | - | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 2011 Mack Pinnacle (chu)
Does the 2011 Mack Pinnacle (chu) have any recalls?
Yes - NHTSA lists 7 recalls for the 2011 Mack Pinnacle (chu): fifth wheel assembly (October 2015); flasher unit (April 2014); electrical system (February 2014); pedal / hand lever(motorcycle) (July 2011) and more. Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
How many complaints has the 2011 Mack Pinnacle (chu) had?
None have been filed with NHTSA so far.
Is the 2011 Mack Pinnacle (chu) a reliable vehicle?
Its Safety Index is 29 out of 100 (grade D: more problems than a typical Mack Pinnacle (chu) year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
What should I do if my 2011 Mack Pinnacle (chu) has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data