2009 MACK GU — Problems, Recalls & Safety Data
N/A
Safety Rating
1
Owner Complaint
7
Recalls
9
Service Bulletins
0
Investigations
Overview of the 2009 MACK GU
The 2009 MACK GU has received a total of 1 safety complaint filed with the National Highway Traffic Safety Administration (NHTSA). There have been 7 recall campaigns affecting this vehicle, covering issues with EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT, ELECTRICAL SYSTEM, ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. 9 technical service bulletins have been issued by Mack Trucks, Inc. for this model year. The most commonly reported problem area is the Engine (1 complaint).
Recalls for the 2009 MACK GU
NHTSA has recorded 7 recalls for the 2009 MACK GU, potentially affecting up to 115,986 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...
View full details →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...
View full details →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.
View full details →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.
View full details →Recall 08V331000 — EXTERIOR LIGHTING:HEADLIGHTS
| 265 vehicles affected
Defect: MACK IS RECALLING CERTAIN MY 2009 TRUCKS EQUIPPED WITH HELLA HEADLAMPS FOR FAILING TO COMPLY WITH THE PHOTOMETRIC OUTPUT REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE HEADLAMP'S BULB SHIELD MAY NOT HAVE BEEN COMPLETELY SEATED INTO THE HEADLAMP'S REFLECTOR.
Consequence: THIS STANDARD SPECIFIES REQUIREMENTS FOR REQUIRED ORIGINAL AND REPLACEMENT LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT AND THEIR INSTALLATION. THE PURPOSE IS TO REDUCE TRAFFIC CRASHES, DEATHS AND INJURIES RESULTING FROM CRASHES BY PROVIDING ADEQUATE ILLUMINATION OF THE ROADWAY, AND ENHANCING THE CONSPICUITY OF MOTOR VEHICLES ON THE PUBLIC ROADS SO THAT THEIR PRESENCE IS PERCEIVED AND THEIR SIGNALS UNDERSTOOD, BOTH IN DAYLIGHT AND IN DARKNESS OR OTHER CONDITIONS OF REDUCED VISIBILITY.
Remedy: DEALERS WILL INSPECT THE HEADLAMPS FOR THE SUSPECT DATE CODES AND REPLACE AS REQUIRED FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 8, 2008. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
View full details →Recall 08V177000 — PARKING BRAKE:CONVENTIONAL:AIR
| 66 vehicles affected
Defect: MACK IS RECALLING 66 MY 2009 GU TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLOW THE RUBBER DOUBLE CHECK VALVE TO BECOME LODGED IN THE BODY OPENING UNDER CERTAIN CIRCUMSTANCES.
Consequence: IF THE DOUBLE CHECK VALVE BECOMES LODGED, IN THE EVENT OF A PRIMARY RESERVOIR FAILURE, AIR PRESSURE CAN LEAK PAST THE LODGED DOUBLE CHECK VALVE THEREBY DEPLETING THE SECONDARY RESERVOIR, CAUSING REDUCED ABILITY FOR MODULATING THE SERVICE EMERGENCY BRAKES INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT THE MV-3 DASH VALVE FOR THE PRODUCTION DATE CODE. VALVES IN THE AFFECTED PRODUCTION LOTS WILL BE REPLACED FREE OF CHARGE. THE RECALL BEGAN ON MAY 9, 2008. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
View full details →Recall 12V519000 — ELECTRICAL SYSTEM
| 260 vehicles affected
Defect: Mack Trucks is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box. The control box may lose its electrical ground.
Consequence: If the control box loses ground, it may have localized overheating. This could lead to a vehicle fire.
Remedy: All affected vehicles were sold to one customer that has already been notified. An official owner notification letter will be mailed to the one customer in early November 2012. Mack will replace the suspect control box on the affected vehicles,...
View full details →Owner Complaints for the 2009 MACK GU
1 complaint has been filed with NHTSA for the 2009 MACK GU. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
VEHICLE HAVING ELECTRICAL ISSUES, LIGHTS AND RADIO SHUTTING OFF AND EXHAUST ENGINE BREAK WORKING INTERMITTENTLY. HOOKED UP AND MOSTLY DATA LINK CODES. IC CLUSTER LIGHTS FLASH ON AND OFF WHILE HOOKED UP. FOUND ENGINE ECM FULL OF OIL ON BOTH A AND B CONNECTORS. OIL LEVEL SENSOR IS LEAKING WIC KING OIL UP TO ECM. WILL NEED ECM,HARNESS,OIL LEVEL, OIL PRESSURE SENSORS AND EGR VENTURI FRONT CAB MOUNTS ARE WORE CAUSING AIR CLEANER HEAT SHEILD TO RUB THOUGHT VALVE COVER. NEED TO REPAIR ENGINE BEFORE ANYMORE T/S.
Safety Rating for the 2009 MACK GU
NHTSA has not yet tested the 2009 MACK GU in its New Car Assessment Program.
Technical Service Bulletins for the 2009 MACK GU
Mack Trucks, Inc. has issued 9 technical service bulletins (TSBs) for the 2009 MACK GU. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
K42708399 — ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL ) - OBD15 And OBD16 Chassis (Non-Common Rail).Updated to reflect release of FSB284-064 (Above)
PI0861 — POWER TRAIN:CLUTCH ASSEMBLY
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
FSB-561-023 — ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
MACK: FITTINGS FOR CURRENT AIR COMPRESSOR COOLANT HOSES ARE NOT THE SAME SIZE AT EACH END AND INCOMPATIBILITY OF HOSE INSIDE DIAMETER AND COMPRESSOR FITTING SIZE CAUSED COMPRESSOR HOSES TO COME LOOSE OR BLOW OUT AIR COMPRESSOR FITTINGS. MODEL 2009-2013 GU7, GU8, MP8. *PE
SP-386-013 — FUEL SYSTEM, GASOLINE:DELIVERY
MACK: THE FUEL LEVEL SENDER IS INCORRECTLY INSTALLED AND CAN CAUSE INCORRECT FUEL LEVEL READINGS IN THE INSTRUMENT PANEL. *RM UPDATED 9/27/2011. *PE
SP-652-006 — UNKNOWN OR OTHER
MACK TRUCKS: TORQUE ROD TO MOUNTING BRACKET BOLTS WERE INSTALLED INCORRECTLY. THE BOLTS WERE INSTALLED IN AN OPPOSING MANNER. *RM
SP-372-010 — EQUIPMENT:OTHER:LABELS
MACK TRUCKS: THE FUSE IDENTIFICATION DECAL IS BEING CORRECTED. *RM
SP-284-028 — ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: THERE IS A SOFTWARE UPDATE. *RM
FSB-851-007 — SEATS:BARRIERS
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...
P-1672 — ENGINE AND ENGINE COOLING:ENGINE
EXHAUST ROCKER ARM, COMBUSTION SEALING WASHER AND UNIT INJECTOR YOKE REPLACEMENT. *PE
NHTSA Investigations for the 2009 MACK GU
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK GU
- 2006 MACK GU — 0 complaints
- 2007 MACK GU — 0 complaints
- 2008 MACK GU — 0 complaints
- 2009 MACK GU (current)
- 2010 MACK GU — 2 complaints
- 2011 MACK GU — 0 complaints
- 2012 MACK GU — 0 complaints
- 2013 MACK GU — 1 complaint
- 2014 MACK GU — 1 complaint
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK RD — 8 total complaints
- MACK CXU — 7 total complaints