One problem related to timing tensioner has been reported for the 2007 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 GMC Acadia based on all problems reported for the 2007 Acadia.
Tl the contact owns a 2007 GMC Acadia. The contact stated that water entered into the rear window control button and the check engine and coolant indicators illuminated. The vehicle was taken to an independent mechanic who stated that the timing chain and the tensioner needed to be replaced. The vehicle was not repaired. The manufacturer and dealer were not made aware of the failure. The failure mileage was 157,000.