My G/F has a 2004 grand am,to me it loks like it is leaking cooling fluid on the right front. She uses some other kind of coolant other than reg anti freeze, but I can tell it is a mixture of water. The car runs great and has 158000 miles on it. The pump has never been replaced. To save money, i wanted to see if you might could help me through this or should I have something else checked before I take on this task. Thanks
water pump on 2004 Pontiac Grand Am
by deerman1026 in Rockmart, GA on April 06, 2011
ANSWER by patrick mannion on April 06, 2011
The way an automotive shop would locate the leak is by removing the radiator cap and attaching an adapter that screws on in place of the radiator cap. Something that looks like a bicycle pump with a pressure gauge attached to it is used to "pump up" pressure to simulate pressure generated when the cooling system is at operating temperature, the leak is then found sometimes it is obviously leaking from a coolant hose or cracked housing, failed gasket or water pump, sometimes the engines cooling system needs to be inspected from below or inspected using a mirror and flash light. If the coolant loss is still evasive dye can be added to the cooling system that may indicate the source of the leak. A mysterious coolant loss may even be a sign of a head gasket that is not sealing well. There is a company that independent auto repair shops buy their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online This is the best source of information. Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info. and get an online repair manual subscription.
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