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.

Land Cruiser

Connect a vacuum gauge to distributor main diaphragm hose. With engine warm and idling, pinch hose between vacuum pipe and vacuum transmitting valve. Raise engine speed to 2500 RPM and release hose. Gauge should indicate high vacuum within 2-5 seconds after releasing hose. Remove hose from VTV on vacuum pipe side. Gauge reading should drop quickly to zero.