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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P205B - P2BAA) And Symptoms) >> Diagnostic Information And Procedures >> Charge Air Cooler Diagnosis (Leak Test) >> Air Pressure Application

Air Pressure Application

WARNING: This page is about a different variant/trim than selected.
  1. Attach the EN-46091-1  outlet hose to the quick disconnect fitting on EN-46091-10A  .
  2. Connect the air supply to the air valve on the gauge/regulator assembly.
  3. Open the air supply valve slowly, increasing the air pressure to a maximum of 55 kPa (8 psi).
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