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O Trucking
NHTSA Recalls

2009 Mack GU

7 open or recent recalls

7 open recalls
Open recalls
7
Units affected
0
Trucks in our DB
0
Carriers in DB
0

What this means

7 open or recent NHTSA recalls affect the 2009 Mack GU. Recall repairs are free at OEM dealers — but only if you take the truck in. If you operate this model, verify recall service status by submitting the VIN at the OEM dealer or via NHTSA.gov. Insurance underwriters and freight brokers increasingly ask carriers to confirm recall service is current before contract loads.

All 7 recalls for this vehicle
NHTSA Campaign
14V208000
0 affected

Issue: 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.

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 numbe

NHTSA Campaign
14V078000
0 affected

Issue: 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 2

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 expansio

NHTSA Campaign
12V519000
0 affected

Issue: 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.

Fix: 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, free of charge. Owners may contact Mack Trucks at 1-

NHTSA Campaign
11V292000
0 affected

Issue: 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

Fix: 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.

NHTSA Campaign
10V404000
0 affected

Issue: 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."

Fix: 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.

NHTSA Campaign
08V331000
0 affected

Issue: 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.

Fix: 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.

NHTSA Campaign
08V177000
0 affected

Issue: 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.

Fix: 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.

Related

Frequently Asked Questions

Will an open recall fail a DOT inspection on a 2009 Mack GU?
An open recall does NOT automatically fail a Level 1, 2, or 3 DOT roadside inspection — those focus on brake, tire, light, HOS, and driver-fitness items. However, if the recall affects a safety-critical component that is showing visible defect (cracked brake line, leaking fuel line, etc.) and the inspector identifies the defect itself, it can result in an out-of-service violation. Best practice: complete recall service promptly to avoid the question entirely. Recall completion is free at the dealer.
How do I check if my specific VIN has open recalls?
Three ways: (1) Enter your VIN at NHTSA.gov/recalls — free, instant. (2) Call any Mack dealer and provide your VIN — they'll look up open campaigns. (3) Use our VIN decoder tool at /vin/ which cross-references against our recall database. The fastest is the NHTSA site; the most useful for fleet operators is the dealer call (they can also schedule the repair on the spot).
Who pays for recall repairs?
The manufacturer pays. Recall service is free at any authorized OEM dealer regardless of the truck's age, mileage, or who owns it now. The exception: if recall service is more than 10 years old, some manufacturers can decline (rare on commercial trucks). Mack/GU recall service typically takes 1–4 hours of dealer shop time depending on the campaign — usually no charge for parts or labor.
What's the difference between a recall and a TSB on a Mack?
A recall (NHTSA campaign) is a manufacturer-mandated safety repair — free and required. A TSB (Technical Service Bulletin) is the manufacturer telling dealers about a known issue and the recommended fix, but TSB repairs are typically NOT free — owners pay parts and labor. Recalls fix safety risks; TSBs fix quality/reliability issues that aren't safety-related. If you're seeing a problem that ISN'T on the recall list, search TSBs for Mack GU 2009 — there may be a documented fix.
Can I keep operating a 2009 Mack GU with an open recall?
Legally yes (no federal law prohibits operating a vehicle with open recalls on a commercial truck — only some passenger-vehicle resale rules apply). Practically: depends on the specific recall. Safety-critical recalls (brakes, steering, fuel system) should be addressed immediately — both for safety and because insurance carriers and shippers increasingly track this. Less-critical recalls (lighting, infotainment) can wait until your next dealer visit. Always review the specific recall summary to understand severity.

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