LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Coolant Leak.....from somewhere

Old Jun 7, 2006 | 09:36 PM
  #1  
3400Camaro's Avatar
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From: Knoxville, TN
Unhappy Coolant Leak.....from somewhere

Driving my 95Z today, I get home with it and once I step out I notice white smoke blowing out from the bottom of the car. the whole bottom of the car is covered with coolant. I opened the hood, and same thing, white smoke coming off the engine. I see no hoses that are leaking. I ran pressure test and I lost about 7lbs in about 60seconds. I was thinking headgasket, but the oil is fine, and I don't seem to get any white smoke from the exhaust. Oil looks okay for now. Whatever it is, it doesn't really do it unless I really start pushing the motor, not hard, but more than just cruising. Any ideas for me? Thanks

FYI NEVER have Accurate Engines in Grand Rapids Michigan rebuild your engine! This is the second problem I have with this motor in less than 1500miles, and it takes them a week to even look at the car.
Old Jun 7, 2006 | 09:41 PM
  #2  
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Re: Coolant Leak.....from somewhere

The waterpump weephole will spew coolant all over your car if the pump is bad.
Old Jun 8, 2006 | 10:29 AM
  #3  
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Re: Coolant Leak.....from somewhere

Thanks I'll check that, brand new pump though. I also noticed when doing the pressure check, I was able to take the radiator cap off easily with no coolant trying spew out, I just screwed it off with nothing happening right after I drove it about 10 miles. Is that normal? I didn't think it was but I figured I'd ask.
Old Jun 8, 2006 | 11:46 AM
  #4  
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Re: Coolant Leak.....from somewhere

Sounds like alot more coolant than what would normally come out the weep hole, but it's easy enough to check.
Old Jun 8, 2006 | 11:58 AM
  #5  
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Re: Coolant Leak.....from somewhere

I've had 4 bad WP in a row. I thought i was installing them wrong, but this one seems to work well. ****y parts store water pumps.

Zach
Old Jun 8, 2006 | 12:37 PM
  #6  
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From: BC
Re: Coolant Leak.....from somewhere

Could it be leaking out at the gaskets portion where the WP connects to the block? It may spray out onto the headers causing your white smoke... if its coming out the weep hole it usually just flings off the belt, or dribbles onto the floor. I havent really seen white smoke from a leaky WP when the leak is coming out the weephole...
Old Jun 8, 2006 | 03:05 PM
  #7  
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Re: Coolant Leak.....from somewhere

Originally Posted by Z28Horn
I've had 4 bad WP in a row. I thought i was installing them wrong, but this one seems to work well. ****y parts store water pumps.

Zach
ARe you buying those remanufactured ones or the new ones? The reman ones are POS's, don't waste your time and money on them.
Old Jun 8, 2006 | 05:22 PM
  #8  
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From: raleigh nc
Re: Coolant Leak.....from somewhere

Originally Posted by matLT1
ARe you buying those remanufactured ones or the new ones? The reman ones are POS's, don't waste your time and money on them.
amen to that. make sure the air bleed screws are tight too, i doubt its that but it doesnt sound like your hoses are busted if you cant see it. check the small hoses going to the throttle body too.
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