C 20 3/4 Ton Pickup 2WD V8-350 5.7L VIN L 4-bbl (1983)
NOTE:
It is imperative that the air valve assembly is not damaged and that it is reinstalled correctly. Failure to do so could result in cold air
and/or exhaust fume entry into the cab.
7.
Reinstall lower door trim panel.
The time required to perform the above service procedure on two doors is 0.4 hours.
