FixVault
Home › Isuzu › 1988 › Trooper II Base, Standard › Repair and Diagnosis › External Pages › Different car › Section 14 (Air Injection System) › Component Testing › Reed Valve

Reed Valve

WARNING: This page is about a different car, the 1988 Isuzu I-Mark, 1988 Chevrolet Spectrum, 1987 Isuzu I-Mark, and 1987 Chevrolet Spectrum. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect vacuum hose from diaphragm and connect vacuum pump to diaphragm. Disconnect inlet and outlet hoses.
  2. Apply 7.9 in. Hg to diaphragm. Blow air into inlet pipe. Air should flow from outlet pipe.
  3. Connect inlet and outlet hoses. Start engine. With 7.9 in. Hg still applied to diaphragm, check for bubbling sound from reed valve. Replace reed valve if not performing as specified.
About FixVault