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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions) >> Repair Instructions >> Throttle Body Assembly Replacement

Throttle Body Assembly Replacement

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM3355408Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (Single Battery) , or Battery Negative Cable Disconnection and Connection (Dual Battery)
  2. Disconnect the charge air cooler outlet duct from the throttle body. Charge Air Cooler Outlet Air Hose Replacement 
1 Throttle Body Bolt [4x]
CAUTION:

Refer to Fastener Caution .


Tighten 
11 N.m (97 lb in)
2 Throttle Body Assembly

Procedure

  1. Disconnect the throttle body electrical connector.
  2. Using a scan tool, perform the idle air control reset function.
3 Throttle Body Gasket
NOTE:

The throttle body gasket is one time use. A NEW gasket must installed whenever it is removed.
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