Opel Kadett E - the Repair manual and operation

6.1.11.3.4. Vacuum diaphragm of a butterfly valve of the secondary camera

For check of a vacuum diaphragm it is necessary to use the mechanical vacuum pump and the manometer.

PERFORMANCE ORDER

The vacuum pump create depression about 300 Mbar through a hose, the closest from the carburetor case. Check that depression in the block kept a long time. In the presence of leaks eliminate it or replace the corresponding element.