수리 사례

2026. 6. 30. 작업

증상

How do I find a vacuum leak? I'd highly prefer not to use a carb cleaner spray

처리 내용

Bank 1 on your 3800 Series II Engine would be the set of cylinders that is closer to the front bumper of the vehicle (cylinders 1, 3, 5). Bank 2 (cylinders 2, 4, 6) would be against the firewall. The Leak ... Any vacuum-leak hunt shouldn't start without having a clear vacuum-hose diagram in-hand. There should be one on a placard inside the engine bay (possibly in the radiator mount area or the underside of the hood). Here's what it looks like. If the vehicle does NOT have a supercharger then the vacuum system should look like this: If the vehicle was equipted with a super charger then it should resemble the following: Use this map to trace every vacuum line. Even if you cannot see the mall you should be able to feel them from start to finish to make sure they are connected at each end and do not feel fray'd or brittle or damaged in any way. When vacuum lines become "old" you can twist them in your hands and they'll being to break apart. You could also bend/kink them and they'll show cr