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Hi, I have a Saturn Vue 2002 V6 with 148,000km. I have a ...
Sent to Car Experts July 21 10:16 AM

Hi, I have a Saturn Vue 2002 V6 with 148,000km. I have a vacume noise. The dealer has changed two vacume hoses and the intake gasket. This has not solved the problem. When you accellerate there is no noise, when you let go of the gas pedel the vacume noise is loud. Any suggestions?

 

Optional Information:
2002 Saturn Vue V6

Already Tried:
Changed intake gasket and two vacume hoses.

Customer (name blocked for privacy)
Status:  Closed   Value: $15
Answer
July 21 10:31 AM (15 minutes and 38 seconds later)
         
ACCEPTEDCheck Mark
Hi, to be sure you have a vauum leak,the fuel trims would need to be read at idle,if thre is vacuum a leak they would be going positive. Then carb cleaner would be sprayed at suspect areas,when the leakiing area is found the trims would drop to towards negitive. A smoke tester is a helpful tool for finding vacuum leaks,the dealer should have this. You can try clamping off the vacuum supply hose to the brake booster,see if the sound dissappers,if so the booster is the problem.

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Roadside Jerry -- Auto Mechanic -- 100% Positive Feedback on 755 Car Accepts
Auto Mehanic 39 years,30 with the NYPD Fleet Service Division
Reply
July 21 10:38 AM (6 minutes and 30 seconds later)
         
The dealer has confirmed that its not from the booster. I called another dealer, and they told me possible acuator valve could be cracked.
What do you think?
Customer (name blocked for privacy)
Answer
July 21 10:48 AM (10 minutes and 29 seconds later)
         
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Auto Mehanic 39 years,30 with the NYPD Fleet Service Division
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