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Tahoe / Yukon Service Manual

Transmission Heat Shield Replacement

Automatic Transmission - 10L80 MHS MQC | Repair Instructions - On Vehicle | Document ID: 5585779 Removal Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
Transmission Heat Shield Replacement — figure 1
Transmission Heat Shield Replacement — figure 1
  1. Disconnect the transmission wiring harness retainer (1) and reposition the harness as necessary.
Transmission Heat Shield Replacement — figure 2
Transmission Heat Shield Replacement — figure 2

  1. Transmission Heat Shield Bolt (2) » Remove

  2. Transmission Heat Shield Bolt (1) » Remove [2x]

  3. Transmission Heat Shield (3) » Remove Installation Procedure

  4. Transmission Heat Shield (3) » Install

  5. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps: 2.1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth. 2.2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive. 2.3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers 2.4. Ensure there are no gaps in the thread locking adhesive once applied to the component.

  1. Transmission Heat Shield Bolt (2) » Install and tighten — Fastener Specifications

  2. Transmission Heat Shield Bolt (1) » Install and tighten [2x] — Fastener Specifications

  3. Reposition the transmission wiring harness and connect the wiring harness retainer (1).

  4. Remove the support and lower the vehicle.