» » »

Chevrolet Q&A

Ask Your Question

1996 Chevrolet Blazer Question: humming sound



jebiga, Oak Creek, WI, October 24, 2013, 21:49

humming sound coming from the rear of engine, below the power brake booster. humming goes away if engine rpm is slightly increased from an idle. Maybe a vacuum leak somewhere??

1 Answer
Flag This