Question about 1992 Pontiac Bonneville

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New tranny in my 92 ssei now it has tranny fluid in the rad ???????

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  • Alleycat May 24, 2012

    Flush the transmission also . When you shut off the car pressure in radiator can get coolant in transmission.

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The transmission and engine are there own entities. Unfortuantly the radiator in some vehicles cool the tranny fluid. Its possable when the coolant lines were disconnected from the transmission or from the radiator, the seal was broken on the radiator where the line goes in from the radiator, so you wont see it because its internal. This will allow trans fluid to enter into the radiator. Be careful with trans fluid mixed with the coolant may cause engine damage. Your solution to the problem if this is infact the source would mean replacing the radiator, if you do this be sure to flush the coolant system to rid trans fluid.

Posted on Mar 21, 2011

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Need to replace radiator, Transmission cooler is located in radiator and is leaking, will also cause coolant to get into transmission causing major problems

Posted on Mar 21, 2011

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Tranny lines tie into radiator for cooling purposes may have sprung an internal line leak in your radiator or else someone put it in there??likely a line failure tho.

Posted on Mar 21, 2011

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