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#1
10-23-2008, 10:11 AM
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2000 GTP Coolant Leak
I noticed a plume of steam when I came to a stop. After taking the engine cover off I realized I have a coolant leak just under the supercharger on the front side of the engine (closest to the bumper). The coolant is pooling up around the fuel injectors. I can't seem to find where the leak is coming from as it is very small. Any ideas what it could be?
Thanks! 
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#2
10-23-2008, 11:22 AM
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Re: 2000 GTP Coolant Leak
Do a better visual inspection. Check the two coolant elbows and radiator hoses to include thermostat housing.
Also, possible supercharger or LIM gaskets.
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#3
10-23-2008, 06:19 PM
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Re: 2000 GTP Coolant Leak
I had a coolant leak that pooled between my rear rocker cover and the supercharger...was a LIM gasket leak...sounds like what you may have.
__________________
2001 Pontiac Grand Prix GTP 14x,xxxkm's Custom Cold Air Box w/ Airaid filter, Magnaflow Dual Tips, Quantum Tek 106 18" w/ Nexen N3000 rubber, Tinted Headlight Covers, Tinted Tails, Aeroforce Interceptor, 180* T-Stat, 2.5" ZZP Catted DP, Intense PCM, HID Conversion, F+R STB
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#4
10-27-2008, 06:24 PM
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Re: 2000 GTP Coolant Leak
I think that's what it is. I don't yet have a manual for this car. Anyone ever done this job before? Easy, hard?
Thanks!
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#5
10-27-2008, 06:48 PM
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Re: 2000 GTP Coolant Leak
Bob has a writeup in the tips and maintenance subforum about doing LIM gaskets on a 3800. Its not a very hard job, just take your time and make sure to use a calibrated torque wrench.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#6
10-28-2008, 09:25 AM
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Re: 2000 GTP Coolant Leak
Quote:
For a first time DIY job about a days worth of work. First step is to get the supercharger, throttle body and LIM gaskets. Other parts like the two coolant bypass elbows, fuel injector o-rings and consumables like anti-freeze. We can walk you along so feel free to ask more questions.
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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