Two problems related to automatic transmission cooler have been reported for the 2007 Chevrolet Silverado 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Chevrolet Silverado 2500 based on all problems reported for the 2007 Silverado 2500.
The contact owns a 2007 Chevrolet Silverado 2500hd. The vehicle was taken to an authorized dealer for routine maintenance service. The technician detected defective transmission cooling lines. The vehicle was repaired under the service warranty. There was concern of the potential safety hazard. The failure mileage was 28,000. Updated 02/13/10 the consumer stated the transmission cooling lines that were replaced began to leak as well on or around January 2, 2010. The leaking transmission fluid enters the entire compartment of the vehicle creating a potential risk for a fire. The consumer stated gm was not addressing the issue properly as the updated transmission lines were failing in the same location . Updated 02/16/10.
Failure of hose crimp in pressurized transmission cooler line. No replacement parts availability through dealers (10) or manufacturer, is indicative of a larger problem. Other hose failures have been confirmed, by other owners of both 2006 and 2007 model years. Possibility of catastrophic hose joint failure, at high speed, with possible resulting engine compartment fire or explosion. Has been confirmed by independent ase certified mechanic. Dealer representatives confirm (unofficially) that they are aware a problem exists with this line.