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Tahoe / Yukon Service Manual

Accessory Drive Primary Belt Replacement (1)

Accessory Drive Primary Belt Replacement Single Use Fasteners and Components Accessory Drive Primary Belt Special Tools EN-51767-2 Stretchy Belt Installer Equivalent regional tools: Special Tools Removal Procedure

Accessory Drive Primary Belt Replacement (1) — figure 1
Accessory Drive Primary Belt Replacement (1) — figure 1
  1. Air Cleaner Outlet Duct Bracket Bolt (1) » Remove
  2. Remove engine wiring harness from air cleaner outlet duct bracket.
Accessory Drive Primary Belt Replacement (1) — figure 2
Accessory Drive Primary Belt Replacement (1) — figure 2
  1. Positive Crankcase Ventilation Fresh Air Tube (1) » Disconnect — Plastic Collar Quick Connect Fitting Service
  2. Air Cleaner Outlet Duct Clamp (2) » Loosen [2x]
  3. Air Cleaner Outlet Duct (3) » Remove
Accessory Drive Primary Belt Replacement (1) — figure 3
Accessory Drive Primary Belt Replacement (1) — figure 3
  1. Using a suitable tool, cut the accessory drive primary belt (1).
  2. Accessory Drive Primary Belt (1) » Remove and DISCARD Installation Procedure
Accessory Drive Primary Belt Replacement (1) — figure 4
Accessory Drive Primary Belt Replacement (1) — figure 4
  1. Position the NEW accessory drive primary belt (4) on the belt idler pulley (2), fan and water pump pulley (3) and generator (1).
Accessory Drive Primary Belt Replacement (1) — figure 5
Accessory Drive Primary Belt Replacement (1) — figure 5
  1. Install the EN-51767-2 Stretchy Belt Installer (1) onto the crankshaft balancer.
Accessory Drive Primary Belt Replacement (1) — figure 6
Accessory Drive Primary Belt Replacement (1) — figure 6
  1. Position the accessory drive primary belt (2) on the crankshaft balancer.
  2. Slowly rotate the crankshaft balancer in a clockwise direction until the accessory drive primary belt (2) fully seats on the crankshaft balancer.
  3. Remove the EN-51767-2 Stretchy Belt Installer (1) from the crankshaft balancer.
Accessory Drive Primary Belt Replacement (1) — figure 7
Accessory Drive Primary Belt Replacement (1) — figure 7
  1. Inspect the accessory drive primary belt (1) for proper installation and alignment.
Accessory Drive Primary Belt Replacement (1) — figure 8
Accessory Drive Primary Belt Replacement (1) — figure 8

  1. Rotate the crankshaft balancer (1) an additional 360 degrees to ensure proper accessory drive primary belt installation.

  2. Air Cleaner Outlet Duct (3) » Install

  1. Air Cleaner Outlet Duct Clamp (2) » Tighten [2x] — Fastener Specifications

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

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

  4. Install engine wiring harness to air cleaner outlet duct bracket.