Cressida L6-3.0L DOHC (7M-GE) (1989)
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Thermal Vacuum Valve - EVAP: Testing and Inspection
Fig. 10 Checking EVAP BVSV Closed Position
Fig. 11 Checking EVAP BVSV Open Position
1. Drain the coolant from the radiator into a suitable container.
2. Unscrew and remove the BVSV.
3. Cool the BVSV to below 35°C (95°F) with cold water. Fig. 10
4. Blow air into either inlet pipe and check that air does NOT pass through valve.
5. Heat the BVSV to above 54°C (129°F) with hot water. Fig. 11
6. Blow air into either inlet pipe and check that air does pass, (valve open).
7. If a problem is found, replace BVSV.
8. Apply a suitable sealing compound to the BVSV threads and reinstall.
9. Refill the radiator with coolant.
