Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2009CANYON 4D PICKUP, 2.9 9REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 3.7L - INTRODUCTION, SERVICE & REPAIR)REPAIR INSTRUCTIONSSECONDARY AIR INJECTION CHECK VALVE REPLACEMENTINSTALLATION PROCEDURE
2009 GMC Canyon 4D Pickup, 2.9 9
Installation Procedure
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Place a NEW AIR check valve gasket (1) between the engine and the valve.
- Position the AIR check valve (2) to the engine.
- Install the AIR check valve studs (3).
Tighten: Tighten to studs to 25 N.m (18 lb ft).
- Connect the engine wiring harness electrical connector (1) to the AIR check valve.
- Connect the AIR pump outlet hose quick connect fitting to the AIR check valve. Refer to Plastic Collar Quick Connect Fitting Service .
- Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
- Close the hood.
CAUTION:
Refer to Fastener Caution
.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.