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Automatic gearbox problem Jeep cherokee?

I think the box has been filled with engine oil and not transmission oil. Can it be cleaned out and refilled?

July 2011
If you 'think' it may be engine oil because if the colour then its probably OK. If engine oil has been used do not start and you can remove pan to minimize contamination. I am guessing its been run. There are flushing machines but how successful I don't know. Some seals can swelll with different oils. Clutch material becomes contaminated and can give error codes due to wrong amount of slip. The computer is matched to the fluid on modern transmissions.

July 2011


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