Coolant leak 2005 Mustang V6 - Ford Mustang Forum
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post #1 of 6 (permalink) Old 09-25-2011 Thread Starter
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Coolant leak 2005 Mustang V6

I cannot find this leak. I have spent hours looking. Heres what I know.It leaks a day or two after i fill it back up. It seems to leak alot after the a/c is on for a while. Ill run my a/c at lunch. And when i come out for break 2 hours later. Theres a green puddle of coolant on the ground....PLEASE HELP!!!!

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post #2 of 6 (permalink) Old 09-25-2011
99GTottawa's Avatar
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you'll have to put pressure in the system and look for leak. sometimes dye helps.

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post #3 of 6 (permalink) Old 09-28-2011
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Joined: Jun 2011
Location: Anniston
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Ok I just fixed a a leak myself seems it was the thermostat housing on mine. (under the throttle body) Check that becausee they are bad bout the sealing going out.

11-4 win-lose
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post #4 of 6 (permalink) Old 09-28-2011
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I would check the thermostat or the thermostat house cap. both to replace are like 10 bucks or so i think.
dont quote me

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post #5 of 6 (permalink) Old 09-28-2011
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if the engine looks dry, might be a weak rad cap after it gets up to pressure.

05 V6 auto,
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post #6 of 6 (permalink) Old 09-30-2011
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mine cost $185 at the dealershp. my thermostat housing was leaking coolant. had to replace the thermastat, the upper and lower housing, the seals, and the sending unit. $185 with an employee discount. all those parts were between 95 and 140.

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