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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 8.1L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSTHROTTLE BODY CLEANING PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U
Throttle Body Cleaning Procedure
2006 Chevrolet Suburban C2500, 6.0 USECTION Throttle Body Cleaning Procedure
WARNING: This page is about a different variant/trim than selected.
- Remove the intake air resonator. Refer to Intake Air Resonator Replacement .
- Inspect the throttle body bore and the throttle body plate for deposits. You will need to open the throttle plate in order to inspect all surfaces.
- Clean the throttle body bore and the throttle plate using a clean shop towel with GM top engine cleaner, P/N 1052626 or AC Delco Carburetor Tune-up Conditioner, P/N X66P, or equivalent product.
- Install the intake air resonator. Refer to Intake Air Resonator Replacement .
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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.