Secondary air injection vacuum valve
| Secondary air injection vacuum valve | 
| 1. | Undo the hose clips and
remove the hoses. | |
| 2. | Disconnect the vacuum hose and remove the
valve. | |
| To check | 
Use a vacuum pump or blow air into the valve to check that it is in working order.
| To fit | 
Fit in reverse order.

 
     
		