Intake Air Plenum: Testing and Inspection

Testing The Intake Distributor (leak Test)

Tools

Tools:

Leak test
1. Undo fastening screw M6 x 34 on the air cleaner housing.







2. Undo rear hose clamp between the air cleaner housing and intake manifold.







3. Tilt the complete air cleaner housing 90 degrees to the left and remove to the rear.







4. Push rubber sleeve of special tool 9264/6 onto the plug.
5. Insert plug with rubber sleeve into the sealing bellows and fasten with the original hose clamp.







6. Generate a pressure of approx. 0.5 bar. Larger leaks are very easy to hear once the pressure has built up; smaller leaks can be made visible with a leak-locating spray.