Bi-Metallic Vacuum Switching Valve (BVSV): Tercel

1. Remove BVSV. The BVSV is located on fuel pump. See Figure. Cool BVSV to less than 4°F (5°C). Blow air into nozzle "J". Air should escape to nozzle "L". See Fig 1.
2. Heat BVSV to more than 66°F (19°C). Blow air into nozzle "J". Air should escape from nozzle "K". If BVSV does not function as described, replace valve.

Fig 1: Testing Bi-Metallic Vacuum Switching Valve (Tercel)

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