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Old 07-07-2009, 12:41 PM   #2
MagicRat
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Re: TH350 Transmission Slip, No Gear, Stutter

Quote:
Originally Posted by bnations View Post
is it possible Im getting coolant in my transmission?
Is the ATF a foggy reddish/grey/green color, with the consistency of a milkshake?

Yes, it's possible the trans cooler in the new rad is leaking. If so, the ATF may leak into the rad, until the cooling system pressurizes, at which time, the coolant will leak into the trans cooler lines and contaminate all the fluid.

Is there any trans fluid in the coolant?

For a test, disconnect both transmission cooler lines. Then place a coolant pressure tester on the rad and pump it up. Normally, the tester should show that the cooling system is holding 15 lbs pressure for a considerable period of time, at least 10 minutes or so.

Look for a pressure loss and/or coolant dripping out of the trans cooler ports on the radiator.

You can rent or borrow a pressure tester at many auto parts stores.
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