One problem related to radiator has been reported for the 2005 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 GMC Sierra 1500 based on all problems reported for the 2005 Sierra 1500.
The contact owns a 2005 GMC Sierra 1500. The contact stated that the radiator did not have a peacock to drain its coolant from. An authorized dealer was notified and the contact was informed that the manufacturer stopped using peacocks to save money. The contact expressed concern over the situation because it could lead to a failure of the radiator. The failure and current mileages were 28,000. The VIN was unavailable.