PR25DD engine
WARNING: This page is about a different variant/trim than selected.
- Block port (B).
- Blow air into port (A) and check that it flows freely out of port (C).
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- Release blocked port (B).
- Apply vacuum pressure to port (B) and check that vacuum pressure exists at the ports (A) and (C).
- Block port (A) and (B).
- Apply pressure to port (C) and check that there is no leakage.