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 MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS - 8.1L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSSECONDARY AIR INJECTION VACUUM CONTROL SOLENOID VALVE REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Suburban C1500
Installation Procedure
2001 Chevrolet Suburban C1500SECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Install the AIR solenoid.
- Apply GM Threadlocker P/N 9985773 or equivalent to the threads of the fastener.
- Refer to FASTENER NOTICE
in Cautions and Notices.
Install the fastener securing the AIR solenoid mounting bracket to the base. Ensure the locating tab on the mounting bracket (2) is seated properly.
Tighten
Tighten the AIR solenoid mounting fastener to 4 N.m (35 in lb).
- Install the vacuum hoses to the AIR solenoid vacuum ports (3, 4).
- Connect the AIR solenoid (2) electrical connector.
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.