LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 1985 >> GL-10 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Spark Control System >> System Testing >> Anti-Afterburning System >> Vacuum Line
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.

Vacuum Line

Check vacuum line for leakage and looseness. To do so, disconnect vacuum hose from Anti-Afterburning Valve (AAV), then run the engine. Ensure that air is sucked into vacuum hose. If not, vacuum line is defective.