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CTS AWD DI
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68 Posts
Discussion Starter #1
I’m wondering about this new tune on my premium ATS 4. Soon after it was done I started to notice a few misfires and a rumble in the back end when turning a corner while accelerating.
I can make it happen if I want to and sometimes I can’t stop it from happening. Took it to my Cadillac dealer and they said it was the rotors and I needed a brake service job @ $200. I knew that was not the problem but the squealing was starting to become an issue. The squealing wasn’t bad at first, it would only happen on the first trip of the day, so I had it done.
I swear the rumbling is getting worse. I’m concerned as have a long out of state trip planned for Friday the 6th and this rumbling has me worried. Is anyone else experiencing this rumble thing? It is like the gear the car is in and the speed the car is going don't match. It is like the gear is way too high and it is effecting the drivetrain. I never had this problem before the spark plug fix.
 

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2014 ATS 2.0 T
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39 Posts
I’m wondering about this new tune on my premium ATS 4. Soon after it was done I started to notice a few misfires and a rumble in the back end when turning a corner while accelerating.
I can make it happen if I want to and sometimes I can’t stop it from happening. Took it to my Cadillac dealer and they said it was the rotors and I needed a brake service job @ $200. I knew that was not the problem but the squealing was starting to become an issue. The squealing wasn’t bad at first, it would only happen on the first trip of the day, so I had it done.
I swear the rumbling is getting worse. I’m concerned as have a long out of state trip planned for Friday the 6th and this rumbling has me worried. Is anyone else experiencing this rumble thing? It is like the gear the car is in and the speed the car is going don't match. It is like the gear is way too high and it is effecting the drivetrain. I never had this problem before the spark plug fix.
In have been experiencing the same thing, worse after a turn and then going up a hill
 
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