Vehicle likely overheated, or for some other reason, the head gasket has been breached, allowing coolant to be burned in the engine. The coolant is consumed, appearing as whitish smoke emitting from the tailpipe.
the thermostat housing is directly behind the left cylinder head
If you have white smoke coming out the tail pipe and the smoke has a sweet smell to it, the car has bad problems.
5 degrees +/- 1 degree BTDC @ around 2300 RPM, with coolant sensor disconnected.
heads
Pretty sure it is in the dash. If you push forward on the instrument cluster housing it will come off and you will see the reservoir on the left.
$87
If it's WHITE smoke, it's probably mostly steam, and indicates you are about to blow a head gasket. Get it fixed quick. If it goes completely, you could be looking at a complete engine rebuild.
Ellen G White died at age 87 in 1915.
Ellen G. White died on July 16, 1915 at the age of 87.
Wilfrid Hyde-White died on May 6, 1991 at the age of 87.
To replace the fan switch in a 1987 VW Vanagon, first disconnect the battery to ensure safety. Remove the dashboard panel to access the fan switch, then disconnect the wiring harness from the old switch. Unscrew and remove the old switch, and install the new one by reversing the process—attach the wiring harness, secure the switch, and reassemble the dashboard. Finally, reconnect the battery and test the new switch to ensure it functions properly.
Wilfrid Hyde-White died on May 6, 1991 at the age of 87.