Vehicle Safety Data

2008 MACK GU — Problems, Recalls & Safety Data

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N/A

Safety Rating

0

Owner Complaints

9

Recalls

ACTIVE RECALL

11

Service Bulletins

0

Investigations

Overview of the 2008 MACK GU

The 2008 MACK GU has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 9 recall campaigns affecting this vehicle, covering issues with EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT, ELECTRICAL SYSTEM, ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. 11 technical service bulletins have been issued by MACK TRUCKS, INC for this model year.

Recalls for the 2008 MACK GU

NHTSA has recorded 9 recalls for the 2008 MACK GU, potentially affecting up to 160,767 vehicles.

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 11V292000 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

| 771 vehicles affected

Defect: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 GU HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 12, 2007, THROUGH APRIL 8, 2011, WITH A FOUR BATTERY CABLE DESIGN. AS A RESULT OF THE ROUTING AND CLIPPING USED, THE BATTERY CABLES MAY COME INTO CONTACT WITH FRAME HARDWARE, WHICH, AS A RESULT OF CHAFING, MAY CAUSE THE INSULATION TO BECOME WORN TO A...

Consequence: A SHORT CAN POTENTIALLY CAUSE A VEHICLE FIRE.

Remedy: DEALERS WILL RE-ROUTE THE BATTERY CABLES AND REPLACE THE CABLES IF CHAFING HAS OCCURRED. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 11, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.

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Recall 10V404000 — SERVICE BRAKES, AIR

| 369 vehicles affected

Defect: MACK IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 GU AND MRU MODEL VEHICLES MANUFACTURED WITH A FRONT TOW GLAD HAND OPTION. THE ACTUATION AND RELEASE TIMING OF THE VEHICLES EXCEEDS THE LIMIT WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS."

Consequence: IF THE BRAKES DO NOT PERFORM AS THEY SHOULD, A VEHICLE CRASH COULD OCCUR.

Remedy: MACK WILL NOTIFY OWNERS AND REPAIR THE VEHICLE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON FEBRUARY 1, 2011. OWNERS MAY CONTACT MACK AT 1-877-800-4945.

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Recall 07V360000 — PARKING BRAKE

| 18,805 vehicles affected

Defect: ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE MODULATING VALVES, THE INTERNAL RUBBER CHECK VALVE MAY LEAK CAUSING A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON.

Consequence: THIS COULD DELAY OR FAILURE IN APPLYING THE PARKING BRAKES WHICH COULD RESULT IN A VEHICLE ROLL AWAY, INCREASING THE RISK OF A CRASH.

Remedy: MACK IS WORKING WITH BENDIX TO REPAIR THESE VEHICLES (PLEASE SEE 07E037). BENDIX WILL INSTALL A CHECK VALVE REPAIR KIT FOR THE AFFECTED SR-7 SPRING BRAKE MODULATING VALVE FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 10, 2008. OWNERS MAY...

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Recall 07V361000 — SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

| 21,847 vehicles affected

Defect: ON CERTAIN TRUCKS EQUIPPED WITH PARKER SINGLE CHECK VALVES (SCV) PROVIDED BY BENDIX. THE DEFECT EXISTS IN THE PARKER SCV THAT CONNECTS WITH THE SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE. AFTER PROLONGED USE OF THE PARKER SCV, THE VALVE BODY RETAINER MAY BECOME EXCESSIVELY WORN AND EVENTUALLY BREAK APART. PIECES OF THE PARKER SCV CAN BECOME LODGED...

Consequence: THIS CONDITION CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON. THESE CONDITIONS CAN OCCUR WITHOUT WARNING, LEADING TO UNINTENDED VEHICLE ROLLAWAY, BRAKE DRAG, OR IN THE CASE OF LOSS OF PRIMARY CIRCUIT, INABILITY TO MODULATE THE SPRING BRAKES.

Remedy: MACK IS WORKING WITH BENDIX TO REPLACE THE PARKER SINGLE CHECK VALVE. THE RECALL BEGAN ON JANUARY 9, 2008. OWNERS MAY CONTACT BENDIX AT 1-440-329-9000 OR MACK AT 1-800-528-6586.

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Recall 07V478000 — EXTERIOR LIGHTING

| 61 vehicles affected

Defect: ON CERTAIN TRUCKS, THE DAYTIME RUNNING LIGHTS (DRL) MODULE MAY CONTAIN A SUSPECT METAL-OXIDE-SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET) THAT COULD OVERHEAT.

Consequence: IF THE TRANSISTOR OVERHEATS, IT COULD POSSIBLY RESULT IN A VEHICLE FIRE.

Remedy: DEALERS WILL REPLACE THE SUSPECT DRL MODULE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 31, 2007. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.

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Recall 07V322000 — STEERING

| 1,072 vehicles affected

Defect: ON CERTAIN TRUCKS, THE NUT USED TO RETAIN THE STEERING SHAFT MAY OR MAY NOT BE A LOCK NUT THAT HAS THE LOCKING FEATURE. A LOCK NUT IS REQUIRED TO PROVIDE ADDITIONAL RESISTANCE TO ENSURE THAT THE NUT DOES NOT COME LOOSE.

Consequence: IF THE NUT WERE TO COME LOOSE AND BE LEFT UNTREATED, THE STEERING SHAFT COULD POTENTIALLY SEPARATE INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE STEERING SHAFT PINCH BOLTS AND LOCKNUTS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 24, 2007. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.

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Recall 07V098000 — SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

| 3,587 vehicles affected

Defect: ON CERTAIN TRUCKS, THE COTTER PIN THAT RETAINS THE BRAKE PEDAL CLEVIS PIN MAY NOT HAVE BEEN INSTALLED. THE CLEVIS PIN CONNECTS THE BRAKE PEDAL TO THE BRAKE FOOT VALVE.

Consequence: IF THE PIN WERE TO COME LOOSE, THE DRIVER WOULD NOT BE ABLE TO APPLY THE SERVICE BRAKE, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL INSPECT TO SEE IF THE COTTER PIN IS MISSING. IF THE PIN IS MISSING, THE COTTER PIN WILL BE INSTALLED. OWNERS ARE BEING ADVISED NOT THE DRIVE THE VEHICLE UNTIL THE PIN HAS BEEN INSTALLED. THE RECALL BEGAN...

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Owner Complaints for the 2008 MACK GU

No complaints have been filed with NHTSA for the 2008 MACK GU.

Safety Rating for the 2008 MACK GU

NHTSA has not yet tested the 2008 MACK GU in its New Car Assessment Program.

Technical Service Bulletins for the 2008 MACK GU

MACK TRUCKS, INC has issued 11 technical service bulletins (TSBs) for the 2008 MACK GU. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

M-263-002 — ENGINE AND ENGINE COOLING

2008 document reformatted to be published as a TSB in Impact. Fan Ring clearance for GU Model Truck.

FSB 642-002 — POWER TRAIN:AXLE ASSEMBLY

Certain GU trucks equipped with forward steer axles (18,000 lb rated front axles) and built before 2012, may experience issues with static steering while sitting still. There is not enough ability with a single steering gear to overcome certain turning frictions.

SP-218-001 — ENGINE AND ENGINE COOLING

MACK TRUCKS: THERE ARE FOUR MISSING BOLTS IN THE ENGINE FRAME AND MOUNT. *RM UPDATED ON 4/22/2013. *KB

FSB 381-045 — ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

INSTRUMENT CLUSTER REPROGRAMMING, VEHICLE BUILT FROM JAN. 1, 2007 TO SEPT. 3, 2012, MAY EXPERIENCE AN INCREASE OF PARASITIC BATTERY DRAIN WITH KEY OFF.

SB-263-046 — UNKNOWN OR OTHER

MACK: FAN RINGS ARE CRACKING DURING EXTREME SERVICE. *RM UPDATED 9/7/11. *PE

FSB-851-007 — SEATS

MACK TRUCK: REAR TRIM PANEL WEAR PLATE, INSTALLATION. MODEL CHASSIS EQUIPPED WITH HIGH BACK OR MID BACK SEATS, THE SEAT BACK CAN RUB AND WEAR THROUGH THE REAR TRIM PANEL. DOES NOT APPLY TO CHASSIS EQUIPPED WITH SEARS BRAD SEATS. MODELS CH, CL, CV, CX AND GU. NO MODEL YEARS...

SB-810-002 — ENGINE AND ENGINE COOLING:ENGINE:DIESEL

MACK TRUCK: CAB/DASHBOARD PANEL CRACKS MAY FORM DUE TO EXCESSIVE CAB FLEXING DURING EXTREME USE OF THE TRUCKS. *RM

SB-730002 — EQUIPMENT ADAPTIVE/MOBILITY

MACK TRUCK: SENSOR, ADAPTIVE CRUISE WITH BRAKING (ACB), ALIGNMENT. THIS BULLETIN CONTAINS INFORMATION FOR CHECKING THE ALIGNMENT AND ADJUSTING THE ADAPTIVE CRUISE WITH BRAKING (ACB) SENSOR FOUND ON CXU, CHU, GU AND TD MODEL MACK TRUCKS. NO MODEL YEARS LISTED. *PE

PI-0686 — ELECTRICAL SYSTEM:SOFTWARE

MACK TRUCK: PTO FUNCTION INOPERABLE. THE PTO ON CERTAIN CHU, CXU, GU AND TD MODEL CHASSIS WILL NOT FUNCTION. THE CAUSE IS DUE TO A SOFTWARE ISSUE IN THE VEHICLE ELECTRONIC CONTROL UNIT (VECU) AS WELL AS SOME INCORRECT PARAMETER SETTINGS. *PE

SB-735006 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

MACK TRUCK: MACK ROAD STABILITY ADVANTAGE (RSA) ENHANCEMENTS. NO MODEL YEARS LISTED. *PE

Showing 10 of 11 technical service bulletins.

NHTSA Investigations for the 2008 MACK GU

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

Other Model Years of the MACK GU

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Other MACK Models

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