This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
General Motors GMC Sierra duramax equipped pick up trucks (lmm series) have an issue with leaking transmission cooling lines where the rubber hoses are crimped to the steel connectors. The problem is a fire hazard due to leaking transmission fluid. GM has already issued replacement of these hoses for the 2008 model year. In 2007 GM had a split year offering for the duramax. The 2007 version was a series lbz. In the second half of 2007 (due to emissions requirements) GMC introduced the model year designation 2007.5. the 2007.5 were the first of the lmm series. The 2007.5 are identical to model year 2008. The 2007.5 lmm series have the same leaking transmission cooler lines and should be included in the same decision as the 2008 models. Since the 2007.5 show up as "2007" model year they have not been included. GM has missed this small group of 1/2 year vehicles (I believe an oversight) in the hose replace recall. Since this issue has already been identified for 2008 vehicles the same issue applies for 2007.5 models. They should also be included but currently are not. I'm hoping that the awareness of the unusual split year models (series lmm) is realized and their VIN numbers added to the recall.
- Glenmoore, PA, USA
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- Glenmoore, PA, USA