PL720 4WD L4-2389cc 2.4L SOHC (Z24) (1983)
Thermal Vacuum Valve - EVAP: Testing and Inspection
Fig. 21 Thermal vacuum valve operating specifications
Fig. 62 Thermal vacuum valve operating specifications.
1.
Drain coolant from engine, then remove valve.
2.
Apply vacuum to valve and make sure valve opens or closes in response to engine coolant temperature as specified, Fig. 21 & 62. Do not allow
water to get inside thermal vacuum valve.