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Old 07-31-2010, 05:22 AM   #1
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Join Date: Mar 2010
Location: Richmond, Virginia
Posts: 70
Coolant leak hint?

Just as I was pulling into my driveway this morning my 97 started making a loud groaning noise under load. After I pulled into my driveway I noticed that coolant was leaking from the bottom of the car towards the middle near a radiator hose connection. Steam was coming from the right, passenger side engine grill. As I was jacking up the car to find more clues, the leak stopped. In other words, once the expansion tank was emptied, there was no more leak.

Before I start pulling things apart, does that mean that it must be the expansion tank, or could it be the water pump? What I mean by that is if it was the water pump, would some five gallons of fluid leaked or once the coolant reached a level below the pump, the leak would stop. I assume if it was a bottom radiator hose most or all of the fluid would have leaked. In my Bentley, I did not see instructions on the expansion tank removal and replacement.

Anyway, that's what I know at the moment.

As always, thanks folks!

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Old 07-31-2010, 05:58 AM   #2
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Join Date: Mar 2010
Location: Richmond, Virginia
Posts: 70
UPDATE: I just noticed that the expansion tank did not empty after all. It is just below the minimum mark, but I know it was full. With the noise, I am moving on to the water pump, which, after reading the posts on replacing the coolant tank, it will be easier and cheaper to replace the pump! Anyone have a recommendation on the best reman water pump? At NAPA, Parts Bin, etc., they are all priced around $150 or so.

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Old 07-31-2010, 06:48 AM   #3
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Join Date: Apr 2010
Location: trenton nj
Posts: 449
the only thing i`ve read was to get a metal impeller pump

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