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Matt, Engineer
Category: Cadillac
Satisfied Customers: 20368
Experience:  Honors degree in Mechanical Engineering, worked 8 years as a Formula 1 engine engineer.
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I have a 2006 Cadi CTS. Running great then it started very

Customer Question

I have a 2006 Cadi CTS. Running great then it started very rough shifting, at times even making the tires will grab the pavement a little. What could be my problem
Submitted: 13 days ago.
Category: Cadillac
Expert:  Matt replied 13 days ago.


I'd take a look at the colour of the transmission oil it should be a dark red colour if its black then its needs changing together with its oil filter. Also check its level with the gearbox warm and just after you've moved the selector through all the positions leaving it for a few seconds in each one and then back to park.

You can top up the box through the side fill plug if required and make sure you use the correct oil for your car as the fluids are not all the same. Some manufacturers recommended a change of the type of fluid - Speak to the local dealer and parts dept - they will advise you on the updated fluid to use..

If that’s all OK then check all the electrical connections of the gearbox, remove each connector in turn and spray with contact cleaner. Check that the wiring to the gearbox is in good condition with no chafing or frayed wire

Expert:  Matt replied 7 days ago.


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