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Old 01-08-2007, 09:26 PM   #1
vincentl
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Default ATF mix with water ?

Hi last few days I got some problem with my auto gearbox, where it does not shift gear smoothly.
I've check with ATF level, and it seems that it indicated I have extra ATF inside (more than high level) I remembered I pour it just nice up to High indicator on the dip stick.
Besides that it smells weird...

Just wondering if water could leak into Automatic gearbox, if yes where would the culprit be?
KIndly help !
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Old 01-08-2007, 09:53 PM   #2
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could be from your radiator. afaik, the radiator also houses the trans cooler.
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Old 01-08-2007, 09:57 PM   #3
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If there is coolant in the ATF replace the radiator immediately, then flush the transmission. The coolant will kill the tranny really fast.
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Old 01-08-2007, 10:36 PM   #4
vincentl
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Quote:
Originally Posted by jumpy View Post
could be from your radiator. afaik, the radiator also houses the trans cooler.
you mean there might be leak in side radiator (cooling cylinder - where ATF pass thru) ?
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Old 01-08-2007, 10:36 PM   #5
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Quote:
Originally Posted by vincentl View Post
you mean there might be leak in side radiator (cooling cylinder - where ATF pass thru) ?
only place water would come from me thinks
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Old 01-08-2007, 10:38 PM   #6
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its happened to both me and kenny in our cars.. the trans cooler inside the rad goes bad and coolant leaks into the rad and visa versa..

Sam
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Old 01-08-2007, 10:45 PM   #7
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Instead of changing radiator
would it be a cheaper alternative to change ATF cooling to Cooling coil type (air cooling type) ?
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Old 01-08-2007, 10:54 PM   #8
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no.


also along with a coolant flush and radiator change, flush the tranny as well.
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Old 01-08-2007, 11:02 PM   #9
vincentl
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Quote:
Originally Posted by jumpy View Post
no.


also along with a coolant flush and radiator change, flush the tranny as well.
I'll do the coolant flush and tranny flush.
But I don't understand why changing to Air cooling type ATF is not feasible ?
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Old 01-08-2007, 11:09 PM   #10
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because all turbo cars should alraedy have a factory a2a cooler for the trans fluid but also still go through the rad .. so you could just bypass the one that does into the rad and ONLY run the external trans cooler and call it a day ... or upgrade to a larger one and be better off
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Old 01-08-2007, 11:10 PM   #11
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ohhh... no i thought you meant adding an external cooler to the exsisting setup.
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Old 01-08-2007, 11:32 PM   #12
vincentl
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Quote:
Originally Posted by thelostartof View Post
because all turbo cars should alraedy have a factory a2a cooler for the trans fluid but also still go through the rad .. so you could just bypass the one that does into the rad and ONLY run the external trans cooler and call it a day ... or upgrade to a larger one and be better off
my 940 LPT does not comes with an external trans cooler.
Where the only options it has is direct to radiator cooling.
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Old 01-09-2007, 04:11 AM   #13
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Mike's thinking the -91. 92+ had the radiator setup only.

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Old 01-09-2007, 04:47 AM   #14
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Well water could also get into the tranny through the vent tube or a bad seal if it was driven through high water. Also what color is the fluid? Plain water will turn it a thick pink, like Pepto Bismal. A water-coolant mix turns it pink with silvery tones. Also maybe it's just overfull and needs a service?
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Old 01-11-2007, 04:14 PM   #15
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Quote:
Originally Posted by Chumley360 View Post
Well water could also get into the tranny through the vent tube or a bad seal if it was driven through high water. Also what color is the fluid? Plain water will turn it a thick pink, like Pepto Bismal. A water-coolant mix turns it pink with silvery tones. Also maybe it's just overfull and needs a service?
radiator tank replaced and ATF fully flushed .....
Running back normal
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