The worst 2009 Mack Granite (Gu) problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
Electrical system: wiring
- What is wrong
- Mack Trucks, Inc. (Mack) is recalling certain model year 2013 and 2015 Titan (TD), model year 2014 and 2015 Pinnacle (CHU), and model years 2009-2010, 2012, and 2014-2016 Granite (GU) trucks. The chassis harness and air lines may not be properly clipped to the crossmember, which can allow the cables and air lines to fall and get twisted in the driveline.
- Risk
- If the electrical cables and air lines were to fall and get tangled in the driveline, it could affect the electrical system and braking system, increasing the risk of a vehicle crash.
- Remedy
- Mack will notify owners, and dealers will inspect the vehicles and properly clip the harness and air lines, free of charge. The recall began on September 30, 2015. Owners may contact Mack customer service at 1‑800‑528‑6586. Mack's number for this recall is SC0393.
Recall number 15V522000 · Recall details
Technical service bulletins for the 2009 Mack Granite (Gu) 91
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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- Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low...
- CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to...
- CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and...
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Questions about the 2009 Mack Granite (Gu)
Is the 2009 Mack Granite (Gu) reliable?
Owners have filed 0 complaints about the 2009 Mack Granite (Gu).
What is the most common problem with the 2009 Mack Granite (Gu)?
There are not enough complaints to tell.
How many recalls does the 2009 Mack Granite (Gu) have?
1 recall, covering electrical system.
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