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Tahoe / Yukon Service Manual

Belt Idler Pulley Replacement

Removal Procedure

  1. Oil Filler Cap » Remove
Belt Idler Pulley Replacement — figure 1
Belt Idler Pulley Replacement — figure 1
  1. Intake Manifold Cover Bolt (1) » Remove
  2. Intake Manifold Cover (2) » Remove
  3. Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
Belt Idler Pulley Replacement — figure 2
Belt Idler Pulley Replacement — figure 2
  1. { If equipped } Hood Latch Actuator Bolt (1) » Remove [2x]
  2. { If equipped } Hood Secondary Latch Release Handle (2) » Remove
Belt Idler Pulley Replacement — figure 3
Belt Idler Pulley Replacement — figure 3
  1. Intake Air Baffle Retainer (1) » Remove [9x]
  2. Intake Air Splash Shield (2) » Remove
Belt Idler Pulley Replacement — figure 4
Belt Idler Pulley Replacement — figure 4
  1. Front End Sheet Metal Diagonal Brace Bolt - Left Side and Right Side (1) » Remove [4x]
  2. Front End Sheet Metal Diagonal Brace - Left Side and Right Side (2) » Remove [2x]
Belt Idler Pulley Replacement — figure 5
Belt Idler Pulley Replacement — figure 5
  1. Engine Front Cover Bolt (1) » Remove
  2. Pull forward and upward on the engine front cover (2) to release the 5 retaining grommets from the ball studs.
  3. Raise and support the vehicle. Lifting and Jacking the Vehicle
Belt Idler Pulley Replacement — figure 6
Belt Idler Pulley Replacement — figure 6
  1. {with RC1} Remove the underbody splash shield. 14.1. Front Bumper Fascia Skid Plate Bolt (1) » Remove [4x] 14.2. Underbody Splash Shield Bolt (2) » Remove [4x]
Belt Idler Pulley Replacement — figure 7
Belt Idler Pulley Replacement — figure 7

14.3. Underbody Splash Shield (1) » Remove

Belt Idler Pulley Replacement — figure 8
Belt Idler Pulley Replacement — figure 8
  1. {without RC1} Remove the front bumper fascia extension. 15.1. Front Bumper Fascia Air Deflector Bolt (1) » Remove [10x] 15.2. Front Bumper Fascia Extension Bolt (2) » Remove [8x]
Belt Idler Pulley Replacement — figure 9
Belt Idler Pulley Replacement — figure 9

15.3. Pull the front bumper fascia extension (1) rearward and down from the front bumper fascia.

Belt Idler Pulley Replacement — figure 10
Belt Idler Pulley Replacement — figure 10
  1. Engine Front Cover (2) » Remove
Belt Idler Pulley Replacement — figure 11
Belt Idler Pulley Replacement — figure 11
  1. Rotate the accessory drive primary belt tensioner (1) clockwise to release the drive belt tension.
  2. Slide the accessory drive primary belt (2) off of the belt idler pulley and slowly release the accessory drive primary belt tensioner (1).
  3. Remove the accessory drive primary belt (2) from the vehicle.
Belt Idler Pulley Replacement — figure 12
Belt Idler Pulley Replacement — figure 12
  1. Belt Idler Pulley (1) » Remove Installation Procedure
Belt Idler Pulley Replacement — figure 13
Belt Idler Pulley Replacement — figure 13
  1. If necessary, ensure belt idler pulley components are installed in the proper orientation.

  1. Belt Idler Pulley (1) » Install and tighten — Fastener Specifications

  2. Install the accessory drive primary belt (2) to the vehicle.

  3. Rotate the accessory drive primary belt tensioner (1) clockwise.

  1. Install the accessory drive primary belt (2) around all pulleys.

  1. Engine Front Cover (2) » Install

  2. {without RC1} Install the front bumper fascia extension.

7.4. Front Bumper Fascia Extension (1) » Install

7.5. Front Bumper Fascia Extension Bolt (2) » Install and tighten [8x] — Fastener Specifications 7.6. Front Bumper Fascia Air Deflector Bolt (1) » Install and tighten [10x] — Fastener Specifications

  1. {with RC1} Install the underbody splash shield. 8.1. Underbody Splash Shield (1) » Install

8.2. Underbody Splash Shield Bolt (2) » Install and tighten[4x] — Fastener Specifications 8.3. Front Bumper Fascia Skid Plate Bolt (1) » Install and tighten[4x] — Fastener Specifications  9. Lower the vehicle.

  1. Push down and rearward on the engine front cover (2) to engage the 5 retaining grommets to the ball studs.
  2. Engine Front Cover Bolt (1) » Install and tighten — Fastener Specifications

  1. Front End Sheet Metal Diagonal Brace - Left Side and Right Side (2) » Install [2x]

  2. 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: 13.1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth. 13.2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive. 13.3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers 13.4. Ensure there are no gaps in the thread locking adhesive once applied to the component.

  3. Front End Sheet Metal Diagonal Brace Bolt - Left Side and Right Side (1) » Install and tighten [4x] — Fastener Specifications

  4. Intake Air Splash Shield (2) » Install

  5. Intake Air Baffle Retainer (1) » Install [9x]

  6. { If equipped } Hood Secondary Latch Release Handle (2) » Install

  7. { If equipped } Hood Latch Actuator Bolt (1) » Install and tighten [2x] — Fastener Specifications

  8. Oil Filler Cap » Remove

  9. Intake Manifold Cover (2) » Install

  10. Intake Manifold Cover Bolt (1) » Install and tighten — Fastener Specifications

  11. Oil Filler Cap » Install