LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 1981 >> GLF Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Exhaust Gas RECIRCULATION >> Testing >> Thermal Vacuum Valve

Thermal Vacuum Valve

  1. Remove thermal vacuum valve from intake manifold. Connect hoses to 2 upper ports and cap lower port. Submerge valve in container of water.
    CAUTION: Do not allow water to enter valve.
  2. With water below 86° F (30° C), blow air through valve. If air does not pass freely, replace valve. Heat water above 104° F (40° C). No air should pass. If air passes through valve, replace valve.
Fig 1: Subaru Exhaust Gas Recirculation (Auto. Trans & 4-WD Models)
G09314023Courtesy of SUBARU OF AMERICA, INC.
scientia non olet · About LEMON Manuals