HEATER SHUTOFF VALVES
This task covers:
Brush, scratch, wire
Tape, teflon (item 32, appendix C)
Screwdriver, flat-tip, 3/16-inch
Wrench, pipe, 114 to 1-inch
Right side of hood open (page 2-7).
Air intake hose removed (page 2-247).
Cooling system drained (page 2-265).
The steps in this task are the same for both upper and lower valves, except upper
valve uses a 45 degree elbow and lower valve a 90 degree elbow. Upper valve is
Heater hose (1) to
Using flat-tip screwdriver, unscrew
and slide back.
Twist, and pull off.
Using pipe wrench and adjustable wrench,
unscrew and take out.
Using pipe wrench, unscrew and
a. Secure pipe (6) in vise.
b. Using pipe wrench, unscrew elbow (4)
and take off.
c. Remove pipe (6) from vise.