got me a coolant leak - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-19-2006, 04:18 PM   #11
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if this weep hole works how i tihnk it does, then isnt it an emergency pressure releas ethat closes up once the pressure subsides?
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Old 11-19-2006, 04:27 PM   #12
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Originally Posted by NERV
if this weep hole works how i tihnk it does, then isnt it an emergency pressure releas ethat closes up once the pressure subsides?
Nope. It means that the bladder in the water pump has ruptured and that your water pump is history. Why don't you refill the radiator with water, run the engine and try to see where the water is leaking out from?
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Old 11-19-2006, 07:20 PM   #13
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well thats the thing, the leak has stopped, it looks like i lost about a pint based on the resivoir, but it hasnt lost anymore since... odd
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Old 11-19-2006, 08:00 PM   #14
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There is no bladder in a water pump.
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Old 11-19-2006, 09:09 PM   #15
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Default pump

Pump seals when failed tend to leak when the car is cold and when the pressure and heat builds it seals back up.
Was the puddle near the pass front wheel? Thats also where the coolant elbow is located but I doubt it would seal back up.
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Old 11-19-2006, 09:25 PM   #16
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Quote:
Originally Posted by motorhead
There is no bladder in a water pump.
It'* what the old timers refer to it as being the impellar shaft seal. Probably before your time.
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Old 11-19-2006, 09:44 PM   #17
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Probably before your time.
Well, I'm from the days of "electronic fuel injection"...them garsh darn fuel pumps! They just don't build em like they used too!
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Old 11-19-2006, 09:50 PM   #18
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Default Re: pump

Quote:
Originally Posted by SSEBONNE4EVA
Pump seals when failed tend to leak when the car is cold and when the pressure and heat builds it seals back up.
Was the puddle near the pass front wheel? Thats also where the coolant elbow is located but I doubt it would seal back up.
well this leak wa shappeneing while the car was hot, i was pushing it pretty hard, but normal driving, no leak at all
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Old 11-19-2006, 10:32 PM   #19
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"Doc, it hurts when I do this"....."Doc", then don't do that.

Seriously, it sounds like one of those leaks that only shows itself when the temp and pressure are right. They can be hard to find. I suggested a coolant dye and my suggestion gets rejected, so I don't know? Maybe a crystal ball will tell you where the leak is?
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Old 11-19-2006, 10:45 PM   #20
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Quote:
Originally Posted by motorhead

Well, I'm from the days of "electronic fuel injection"...them garsh darn fuel pumps! They just don't build em like they used too!
I'm from the days of Carter AFB and Mallory duel point.
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