October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

RWD Models

Remove air cleaner and element. With engine cold, shutter valve should be completely closed. Start engine and run at idle. Shutter valve should be open.
With engine running, disconnect and reconnect vacuum hose to shutter valve diaphragm. Shutter valve should open and close smoothly. If not, replace shutter valve.