Trailer hitches: fifth wheel assembly
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…
NHTSA has logged 0 owner complaints about the 2011 Mack Pinnacle (chu). It is covered by 7 safety recalls, and for recall 15V-644 the manufacturer reports only 22% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 13, 2015. Updated daily.
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
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…
Risk. A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
Risk. Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
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…
Risk. SLACK ADJUSTERS WITH THIS FLOW NOTCH COULD CRACK UNDER NORMAL BRAKING CONDITIONS CAUSING LOSS OF BRAKING WHICH COULD RESULT IN A VEHICLE CRASH.
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.
Risk. LACK OF REFLECTORS COULD LEAD TO REDUCED VISIBILITY OF THE VEHICLE INCREASING THE RISK OF A CRASH.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mack.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Pinnacle (chu) median. How we score
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.