ct4 blackwing. Bleeding off turbo psi after shutting car off. 5- 20 seconds immediately after turning car off. Noise coming from top of motor. Dealer says it’s normal. Anybody experienced this ?
According to Cadillac chatline customer care text response whatever you call it. I have went backwards from 4300 to 4000 how is that even possible ? I thought 4300 Meant shipped?
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