Mechanics

CADILLAC DEVILLE VACUUM LEAK PROBLEM

2003 Cadillac Deville • 98,000 miles

Car idles lopey, hear whistle sound when first starts
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Guest
November 27, 2012.



Sounds like theres a vacuum leak on the motor and a large one at that. Open the hood while the motor is running and see if you can hear the noise around the larger vacuum lines like the PCV valve or the brake booster.

Tiny
Jay4cars1
Nov 27, 2012.
IT does sound like a vacuum leak. Refer to our DIY section for instructions on looking for a vacuum leak.