Vehicle Safety Data

2012 MACK PINNACLE (CHU) — Problems, Recalls & Safety Data

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N/A

Safety Rating

0

Owner Complaints

8

Recalls

ACTIVE RECALL

7

Service Bulletins

0

Investigations

Overview of the 2012 MACK PINNACLE (CHU)

The 2012 MACK PINNACLE (CHU) has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 8 recall campaigns affecting this vehicle, covering issues with SUSPENSION:FRONT:HUB, POWER TRAIN:DRIVELINE:DRIVESHAFT, TRAILER HITCHES:FIFTH WHEEL ASSEMBLY. 7 technical service bulletins have been issued by MACK TRUCKS, INC for this model year.

Recalls for the 2012 MACK PINNACLE (CHU)

NHTSA has recorded 8 recalls for the 2012 MACK PINNACLE (CHU), potentially affecting up to 152,166 vehicles.

Recall 16V929000 — SUSPENSION:FRONT:HUB

| 200 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain model year 2012, 2014-2015 and 2017 Granite (GU), 2012-2017 Pinnacle (CHU, CXU), and 2013-2015 and 2017 Titan (TD) trucks manufactured January 7, 2011, to September 29, 2016. The affected vehicles were built with front wheel hubs that cannot support the gross axle weight rating of the front axle.

Consequence: Overloaded front wheel hubs can result in premature failure of the hubs, bearings, and the related components, which can cause the front hub assembly to separate from the front axle. Because of this, the driver may lose control of the vehicle or parts may be dropped on the road, increasing the risk of a crash.

Remedy: Mack will notify owners, and dealers will replace the hub assemblies, free of charge. The recall began on February 16, 2017. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0406.

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Recall 16V099000 — POWER TRAIN:DRIVELINE:DRIVESHAFT

| 33,981 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain model year 2012-2016 Granite (GU), Pinnacle (CHU, CXU), TerraPro (LEU, MRU), Titan (TD), and LR trucks manufactured from September 1, 2011, through September 8, 2015. The cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may loosen.

Consequence: If he cap nut loosens and falls off, the yoke can separate from the axle input shaft and allow the drive shaft to disconnect, increasing the risk of a crash.

Remedy: Mack will notify owners, and dealers will replace the cap nut. The input shaft threads will be inspected for damage. Any damaged input shaft will be replaced. These repairs will be performed free of charge. An interim notice was sent...

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Recall 15V644000 — TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

| 448 vehicles affected

Defect: 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...

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...

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Recall 14V208000 — EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT

| 44,047 vehicles affected

Defect: 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...

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Recall 14V078000 — ELECTRICAL SYSTEM

| 70,208 vehicles affected

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,...

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...

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Recall 12V308000 — VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

| 1,174 vehicles affected

Defect: MACK IS RECALLING CERTAIN MODEL YEAR 2012 CHU, CXU, AND GU VEHICLES, MANUFACTURED FROM OCTOBER 10, 2011, THROUGH NOVEMBER 17, 2011. HARDWARE USED TO SECURE THE WINDSHIELD WIPER LINKAGE TO THE WIPER MOTOR MAY NOT BE SUFFICIENTLY TORQUED, AND MAY CAUSE THE WINDSHIELD WIPER LINKAGE TO DETACH FROM THE WIPER MOTOR. AS A RESULT, THE WINDSHIELD WIPERS WILL NOT FUNCTION.

Consequence: IF THIS OCCURS, UNDER CERTAIN DRIVING CONDITIONS THE DRIVER'S VISIBILITY WILL BE REDUCED, INCREASING THE RISK OF A CRASH.

Remedy: MACK WILL NOTIFY OWNERS, AND REPLACE THE HARDWARE ON AFFECTED VEHICLES, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 22, 2012. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.

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Recall 11V272000 — SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC

| 1,524 vehicles affected

Defect: 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...

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.

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Recall 11V295000 — POWER TRAIN:DRIVELINE

| 584 vehicles affected

Defect: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2012, CHU, CXU, GU, MRU, LEU, AND TD TRUCKS EQUIPPED WITH A MERITOR DRIVELINE. THE TUBING USED TO ASSEMBLE THE AFFECTED DRIVELINES HAS A NONCONFORMING SEAM WELD WITH INSUFFICIENT BONDING OF THE MATERIAL.

Consequence: THIS CAN RESULT IN SEAM WELD FRACTURE WHEN TORQUE IS APPLIED. ONCE THE TUBE SEAM WELD IS FRACTURED, THE DRIVELINE MAY BECOME INOPERABLE WHICH MAY RESULT IN A DISABLED VEHICLE OR DEBRIS FROM THE DRIVELINE MAY FALL ON THE ROADWAY, BOTH OF WHICH CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE DRIVELINES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 25, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.

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Owner Complaints for the 2012 MACK PINNACLE (CHU)

No complaints have been filed with NHTSA for the 2012 MACK PINNACLE (CHU).

Safety Rating for the 2012 MACK PINNACLE (CHU)

NHTSA has not yet tested the 2012 MACK PINNACLE (CHU) in its New Car Assessment Program.

Technical Service Bulletins for the 2012 MACK PINNACLE (CHU)

MACK TRUCKS, INC has issued 7 technical service bulletins (TSBs) for the 2012 MACK PINNACLE (CHU). TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

KC-2254 — ELECTRICAL SYSTEM

Mack Chassis - No Gauge Cluster Backlight

KC-630 — ENGINE AND ENGINE COOLING

Sensor And Parameter Value Monitor - Template Parameter List For Pre-OBD (9-Pin Diagnostic Connector) Chassis In Premium Tech Tool ( PTT ); Regeneration And Road Test Sensor Monitor Parameters - US07 And US10 Emissions, Model Years 2008 To 2013

K84940464 — POWER TRAIN

Expired - Refer To K45673535 - Mack Chassis SNM15-002b mDRIVE Transmission Service Strategy ( Revised failure mode descriptions )

284-055 — ELECTRICAL SYSTEM:SOFTWARE

MACK TRUCKS: 2013-2014 : SOFTWARE UPDATES AVAILABLE FOR ENGINE CONTROL MODULE & AFTERTREATMENT CONTROL MODULE. *LJ

FSB-284-038 — ELECTRICAL SYSTEM:SOFTWARE

MACK TRUCK: DIAGNOSTIC TROUBLE CODE (DTC) INDICATES AN OPEN THERMOSTAT AND COOLANT SYSTEM NOT OPERATING CORRECTLY; DURING SEVERE WEATHER AND HEAVY DUTY APPLICATIONS WOULD DISPLAY, DURING ENGINE WARM UP AND INDICATE AN ISSUE WHEN THE COOLING SYSTEM IS PERFORMING NORMALLY, RESULTING IN UNNECESSARY REPLACEMENT OF COOLANT THERMOSTAT. MODELS CHU, CXU,...

PI0775 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY

MACK TRUCKS: THE BATTERY DISCONNECT SWITCH MAY HAVE BEEN BYPASSED ON SOME VEHICLES. THE RIGHT HAND POSITIVE CABLE MAY HAVE BEEN ROUTED DIRECTLY TO THE STARTER AND NOT TO THE BATTERY DISCONNECT SWITCH. *JS UPATED 08/08/2012 *JS

FSB-652-004-1 — SUSPENSION:MULTIPLE AXLE:TORQUE ARM

MACK: TORQUE ROD REPLACEMENT ON FRONT REAR AXLE. *JS UPDATED 5/9/12. *PE

NHTSA Investigations for the 2012 MACK PINNACLE (CHU)

There are no NHTSA defect investigations on record for this vehicle.

Other Model Years of the MACK PINNACLE (CHU)

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Other MACK Models

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