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BMW 3-Series (E90 E92) Forum
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Leaking DVs?
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07-21-2024, 10:27 AM | #1 |
.******.
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Leaking DVs?
Trying to chase a boost/vacuum leak.
Took the front DV off and pressure tested it using a tyre inflator. It would not go above 4 psi and I felt a very slight bit of air coming out of the relief end (the part that connects to intake). I then tried to introduce vacuum where the DV connects to the intake manifold vacuum line and it slowly lost vacuum. I then tried to introduce vacuum to the rear DV in the same way and it lost vacuum with an identical rate to the front. Car makes 11-13psi when 16.5psi is demanded. Sometimes makes 15.5psi. Do the DVs hold vacuum? Does this sound like bad DVs? |
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