An NHTSA investigation into problematic transmissions in Chevy Express and GMC Savana vans that was open for over a year just ...
as it has issued a series of technical service bulletins to its dealer body to deal with the issue. The NHTSA inquiry is not a full-blown investigation at this time and there is no recall pending.
About one third of the 95 reports NHTSA has received cited humid or rainy conditions when these problems allegedly occurred. These technical service bulletins have allowed dealers to address a ...