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Air Injection Pump > < Air Injection Control Valve|Service and Repair|Page 5628

C Yukon 2WD V8-5.7L VIN R (1999)

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3. Connect the vacuum hose to the air shut off valve.

4. Install the inlet and outlet hoses on air shut off valve.

Air Injection Pump > < Air Injection Control Valve|Service and Repair|Page 5628