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Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.35L (L3T) - Repair Instructions >> Repair Instructions >> Throttle Body Assembly Replacement

Throttle Body Assembly Replacement

GM5047953Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Intake Manifold Cover Replacement
  2. Remove the charge air cooler outlet air hose from the throttle body adapter only. Charge Air Cooler Outlet Air Hose Replacement 
  3. Engine Control Module Electrical Connector - Position aside
1 Throttle Body Bolt [3x]
CAUTION:

Refer to Fastener Caution .


Tighten 
8.5 N.m (75 lb in)
2 Throttle Body Adapter
3 Throttle Body Gasket [2x]
Procedure 
Install a NEW gasket. Do NOT reuse the old gasket.
4 Throttle Body

Procedure

  1. Disconnect the electrical connector.
  2. Perform the intake system learned values reset. Intake System Learned Values Reset 
  3. Perform the throttle body idle air flow compensation reset. Throttle Body Idle Air Flow Compensation Reset