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10-31-2016, 06:53 AM | #1 | |
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97 PA Ultra losing Trans Fluid
My 97 PA Ultra loses a pint of trans fluid every 50 miles...no leaks on the ground...looking at pan on trans it is dry...replaced radiator because the coolant had a strawberry color (thought trans fluid cooler was leaking into coolant)...did not help...WTF?...where could it possibly be going?
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10-31-2016, 08:00 AM | #2 | |
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Re: 97 PA Ultra losing Trans Fluid
If you had an intermix, that stuff is throughout the entire heating and cooling system. Anyway, may have a vacuum modulator, look for fluid in the hose. Also axle seals.
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10-31-2016, 10:32 AM | #3 | |
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Re: 97 PA Ultra losing Trans Fluid
Thanks for the reply...The car has a 4T60-E I believe so no modulator valve...no leaks on the ground...seems like I would be able to see axle seals leaking that much fluid, but I will check into that.
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10-31-2016, 04:08 PM | #4 | |
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Re: 97 PA Ultra losing Trans Fluid
Some of those early year units did have a modulator, check it.
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10-31-2016, 04:18 PM | #5 | |
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Re: 97 PA Ultra losing Trans Fluid
Thanks...but I checked the vin # with a dealer and they confirmed no modulator valve
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10-31-2016, 06:28 PM | #6 | |
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Re: 97 PA Ultra losing Trans Fluid
My manuals say a modulator exists through 1999. Instead of asking the dealer, open the hood and look on the front of the transmission, just behind the left radiator fan.
See a vacuum line?
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10-31-2016, 06:53 PM | #7 | |
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Re: 97 PA Ultra losing Trans Fluid
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10-31-2016, 08:11 PM | #8 | |
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Re: 97 PA Ultra losing Trans Fluid
If for any reason, you think coolant made it's way into the trans fluid, you need to do a complete flush...
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11-01-2016, 06:25 AM | #9 | |
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Re: 97 PA Ultra losing Trans Fluid
I will go and look for the modulator valve, but the car supposedly has a 4T65-E.
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11-01-2016, 06:32 PM | #10 | |
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Re: 97 PA Ultra losing Trans Fluid
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11-02-2016, 12:09 PM | #11 | |
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Re: 97 PA Ultra losing Trans Fluid
Lotta fun for sure!!
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11-02-2016, 05:01 PM | #12 | |
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Re: 97 PA Ultra losing Trans Fluid
4T60's had the modulator, 4T65's didn't...
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12-12-2016, 10:28 AM | #13 | |
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Re: 97 PA Ultra losing Trans Fluid
It was the radiator...replaced it and problem solved.
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12-12-2016, 08:14 PM | #14 | |
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Re: 97 PA Ultra losing Trans Fluid
Thanks for the update. It's always good to get to a conclusion.
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12-18-2016, 09:15 AM | #15 | |
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Re: 97 PA Ultra losing Trans Fluid
Goes to show how important good info is in an initial post. Was it wrong? Was the radiator replaced twice? Did the trans get flushed? Who knows.
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