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Tahoe / Yukon Service Manual

Throttle Body Assembly Replacement

Engine Controls and Fuel - 5.3L L84 or 6.2L L87 | Repair Instructions | Document ID: 5515739 Single Use Fasteners and Components Throttle Body Gasket Removal Procedure

Throttle Body Assembly Replacement — figure 1
Throttle Body Assembly Replacement — figure 1
  1. Air Cleaner Outlet Duct Bracket Bolt (1) » Remove
  2. Remove engine wiring harness from air cleaner outlet duct bracket.
Throttle Body Assembly Replacement — figure 2
Throttle Body Assembly Replacement — figure 2
  1. Positive Crankcase Ventilation Fresh Air Tube (1) » Disconnect — Plastic Collar Quick Connect Fitting Service
  2. Air Cleaner Outlet Duct Clamp (2) » Remove [2x]
  3. Air Cleaner Outlet Duct (3) » Remove
Throttle Body Assembly Replacement — figure 3
Throttle Body Assembly Replacement — figure 3

  1. Disconnect the throttle body electrical connector.

  2. Throttle Body Bolt (1) » Remove [4x]

  3. Throttle Body (2) » Remove

  4. Throttle Body Gasket (3) » Remove and DISCARD Installation Procedure

  5. Throttle Body Gasket (3) » Install NEW

  6. Throttle Body (2) » Install

  1. Throttle Body Bolt (1) » Install and tighten [4x] — Fastener Specifications

  2. Connect the throttle body electrical connector.

  3. Air Cleaner Outlet Duct (3) » Install

  4. Air Cleaner Outlet Duct Clamp (2) » Install and tighten [2x] — Fastener Specifications

  5. Positive Crankcase Ventilation Fresh Air Tube (1) » Connect — Plastic Collar Quick Connect Fitting Service

  6. Air Cleaner Outlet Duct Bracket Bolt (1) » Install and tighten — Fastener Specifications

  7. Install engine wiring harness to the air cleaner outlet duct bracket.

  8. Perform the throttle body idle air flow compensation reset. Throttle Body Idle Air Flow Compensation Reset