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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 8.1L - Introduction (2 Of 2)) >> Repair Instructions >> Throttle Body Cleaning Procedure

Throttle Body Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the intake air resonator. Refer to Intake Air Resonator Replacement .
  2. 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.
  3. 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.
  4. Install the intake air resonator. Refer to Intake Air Resonator Replacement .
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