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I put a brand new water pump on my 2006 buick lacrosse but coolant is leaking under where my coolant overflow jug toward the passenger side what could it be

Posted by Paul Millmann on

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Rene Jose Perez

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Probably your bottle has a hairline broke. Take it out & out hot water in it. It will show.

Posted on Sep 30, 2017

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Timothy Gordon

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I agree with Anthony. It could also be a small tear in a radiator hose, or maybe something wasn't tightened up like it should've been. Shouldn't be too difficult to find. Not that many coolant hoses to check. One other thing it could be is the tank may be too full, causing it to push the extra coolant to the ground through the overflow hose. (Usually it's a short, smaller diameter hose that runs toward the ground )

Posted on Sep 30, 2017

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anthony letizia

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Probably a cracked overflow Reservoir

Posted on Sep 30, 2017

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Anonymous

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SOURCE: coolant leak 1998 buick external

it sounds like the water pump may be leaking beacuse when runnung the seal is lubricated and may not be leaking at that time but when left over night the seal in the water pump contract and starts to leak. check for stains and leaks with a mirror before starting in the morning i think you will find that it is leaking. don't worry they are not bad to change. good luck

Posted on Mar 24, 2009

RevMarket

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SOURCE: 2006 chevy inpala ls 6 cyl has water leak under car passengers side replace thermost and reservoir coolant jug think its pressure hose leak

Your water pump may have a bad bearing. There is a weephole that allows fluid to trip out when the bearing is bad. Check all hoses. The heater core may be damaged.

Posted on Sep 11, 2017

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2006 chevy inpala ls 6 cyl has water leak under car passengers side replace thermost and reservoir coolant jug think its pressure hose leak

Your water pump may have a bad bearing. There is a weephole that allows fluid to trip out when the bearing is bad. Check all hoses. The heater core may be damaged.
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