Nissan B24bd-14 !!top!! Jun 2026

Blue smoke on startup, then clears up. Cause: The umbrella-style valve seals become brittle after 5,000+ hours. Fix: Replacement. You can do this without removing the head on a B24BD-14 using compressed air in the cylinder.

Remove the motor (two screws) and check if the plastic socket it plugs into is cracked. Manual Test: nissan b24bd-14

: Changing temperature modes does not result in a mechanical movement of the blend door. Common Causes Faulty Actuator/Motor Blue smoke on startup, then clears up