For Buick2004-2007 Rainier CXL2004-2005 Rainier CXL Plus. Power Steering Pump. The water pump is a weak point of the cooling system. Water Pump. Here are 5 common symptoms of a bad water pump:Coolant Leak at the Front-Center of your CarRust, Deposit Buildup, and Corrosion of the Water PumpWater Pump Pulley is Loose and Making Whining SoundsEngine is OverheatingSteam Coming from your Radiator.
