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Home >> Toyota >> 1982 >> Starlet >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Spark Control Systems >> Testing >> Component Testing >> Bimetal Vacuum Switching Valve (BVSV) Supra >> BVSV 3
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BVSV 3

  1. Drain coolant from radiator into container. Remove BVSV 3 and immerse in coolant. Valve should be closed when temperature is below 122°F (50°C).
  2. Heat coolant to above 147°F (64°C). Check that valve is open.
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