gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Air Injection Hose/Tube > < A/C - Refrigerant Loss, Loose or Missing Access Fitting
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Air Injection Control Valve: Service and Repair

REMOVAL

1.  Battery ground cable.
2.  Electrical connector on control valve.
3.  Manifold vacuum signal hose.
4.  Air inlet and outlet hoses from valve.
5.  Control Valve.

INSTALLATION

1.  Install Control valve
2.  Air inlet and outlet hoses from valve.
3.  Manifold vacuum signal hose.
4.  Electrical connector on control valve.
5.  Battery ground cable. 
6.  Check system operation.

Air Injection Hose/Tube > < A/C - Refrigerant Loss, Loose or Missing Access Fitting