Question about 2002 Pontiac Bonneville

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I have a 2002 Pontiac Bonneville last night it blew the transmission line off the cooler where it hooks to the raditor. Wondering what i should check and what i need to fix it? The car was just fixed from front end damage about 3 months ago would that have anything to do with it?

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It is possible if the radiator was removed during the repairs.These have a quick disconnect which is a small metal clip at the radiator and more then once have seen them not get pushed back in all the way.I would replace that connector at the radiator which should be an 18mm sized nut and get some more Dextron III transmission fluid type.You should be ok after that assuming no transmission damage occurred or no lines were damaged.
Once you replace that connector and push the line back in give a good tugs to make sure that it is all the way.This should be a pretty inexpensive and simple repair.

Posted on May 31, 2010

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The hoses are crimped on to the fitting so maybe the hose cracked in the area of that fitting and finally snapped off from the pressure it holds
All you need to do is to replace the hose assembly which can be ordered from any GM dealerships parts department
You may be able to repair the old one with a replacement hose cut from a bulk roll sold at auto parts stores. You will need to double clamp each end for the line holds pressure. It is well worth purchasing a hose that is crimped together than clamped

Posted on May 31, 2010

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