One problem related to water pump has been reported for the 2015 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Terrain based on all problems reported for the 2015 Terrain.
The contact owns a 2015 GMC Terrain. The contact heard an abnormal noise coming from the vehicle. The dealer diagnosed that the water pump, timing belt, gasket kit, and chain links for the timing belt failed and needed to be replaced. The vehicle was repaired. After being serviced, the vehicle later began to lunge forward and the gears attempted to shift. The vehicle was taken back to the dealer where it was diagnosed that the transmission was slipping. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 24,461.