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Home >> Chevrolet >> 1983 >> Monte Carlo SS >> Repair and Diagnosis >> Engine Performance >> System >> EGR System - Diesel >> Component Testing >> Response Vacuum Reducer (RVR)

Response Vacuum Reducer (RVR)

  1. Connect a vacuum gauge to port marked "To VMV/VLV" on V6 engines or to port marked "To TCC Solenoid" on V8 engines. Connect a hand vacuum pump to VRV port.
  2. Apply 15 in. Hg of vacuum on pump. Vacuum gauge reading should be 12.5 in. Hg on High Altitude V8 engines and 14.25 in. Hg on all other models. If vacuum gauge readings are not as specified, replace RVR.
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