Unexpected water help. - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 06-12-2019, 07:25 AM Thread Starter
 
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Unexpected water help.

Hello, looking for advice on how to track unexpected water on front passenger floor. Have a 72 Lemans with air, ran the air when i brought it home, washed it a few days later and noticed the carpet was wet. Ideas on how to track this down?? Thanks
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post #2 of 6 (permalink) Old 06-12-2019, 07:29 AM
 
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For me the prime suspects would be heater core or leaking around the windshield . The later is the easiest to check, sit in the passenger side with the door closed and have someone spray one area at a time and check for water, If this yield no results run the A/C for a half hour or so and do the same. Good luck.
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post #3 of 6 (permalink) Old 06-12-2019, 09:35 AM
 
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This sounds like your evap. drain could be clogged. If it is it will back up and drain out the bottom of the heater box. Just something to check.
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post #4 of 6 (permalink) Old 06-12-2019, 12:14 PM Thread Starter
 
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Thanks, how would one find the drain?
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post #5 of 6 (permalink) Old 06-12-2019, 12:20 PM
 
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The drain is located under the evap case in the engine compartment. You can reach your hand under the case to feel it, or from underneath look past the oil filter housing. On my '69 GTO it looks like a small rubber piece with a spring clamp holding it on the evap. housing. Good luck.
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post #6 of 6 (permalink) Old 06-12-2019, 12:26 PM
 
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Look on Ames catalog pg. 261 item #P134DL . This is what you are looking for.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO General Discussion

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