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#1
08-12-2006, 03:24 PM
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Mystery coolant leak
99 Blazer 4.3 automatic tranny.
The water is not leaking from the front or top part of the engine. I checked the water hoses that go through the top of the firewall and they are dry. When I put water in the radiator the water is dripping out immediately down across the bell housing on the transmission. I crawled under the car but I can not find the source of the leak. Does anyone know what could be leaking back there? Thanks in advance, Tony 
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#2
08-12-2006, 03:29 PM
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Re: Mystery coolant leak
Probably on top on the lower intake between the intake and the valve cover and then depending on parking angle runs down. Also there is a gasket on the rear of the intake also that can leak back by the distributer. Lower intake always goes by 100k miles.
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#3
08-13-2006, 05:54 AM
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Re: Mystery coolant leak
I would agree with muddog on the lower intake, but if for some reason it's not that, then you are looking at a freeze plug...
__________________
  95 s10 Blazer, EGR Mod, ZQ8 Steering box mod, 99 Center console shifter mod and more... See everything at www.pghconsulting.net/teal
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#4
08-13-2006, 08:15 AM
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Re: Mystery coolant leak
Quote:
Thanks guys I just wish this was designed so you could actually see back there. Tony
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#5
09-10-2006, 08:51 PM
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Re: Mystery coolant leak UPDATE
Well it was the intake that was leaking.
I removed the A/C compressor and found a BIG leak on the right side of the intake. garage wanted 500 bucks to do it so I did it myself for $45 (gasket kit) Good call and thanks again! Tony
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