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Tahoe / Yukon Service Manual

Heater Inlet Hose Replacement (LM2)

Removal Procedure

  1. Drain the cooling system. Cooling System Draining and Filling
  2. Plenum Front Panel Outer Reinforcement » Remove — Plenum Front Panel Outer Reinforcement Removal and Installation
  3. Engine Wiring Harness » Reposition
Heater Inlet Hose Replacement (LM2) — figure 1
Heater Inlet Hose Replacement (LM2) — figure 1
  1. Heater Inlet Hose Clamp (1) » Disengage — Hose Clamp Replacement Guidelines - Spring Type
  2. Heater Inlet Hose (2) @ Water Outlet » Remove
  3. Heater Inlet Hose Clip (3) @ Heater Inlet Hose Bracket » Remove
Heater Inlet Hose Replacement (LM2) — figure 2
Heater Inlet Hose Replacement (LM2) — figure 2

  1. Heater Inlet Hose Retainer (1) » Disengage

  2. Heater Inlet Hose (2) @ Auxiliary Heater Inlet and Outlet Hose » Remove Installation Procedure

  3. Heater Inlet Hose (2) @ Auxiliary Heater Inlet and Outlet Hose » Install

  4. Heater Inlet Hose Retainer (1) » Engage

  5. Heater Inlet Hose (2) @ Water Outlet » Install

  6. Heater Inlet Hose Clip (3) @ Heater Inlet Hose Bracket » Install

  7. Heater Inlet Hose Clamp (1) » Engage — Hose Clamp Replacement Guidelines - Spring Type

  8. Engine Wiring Harness » Reposition

  9. Plenum Front Panel Outer Reinforcement » Install — Plenum Front Panel Outer Reinforcement Removal and Installation

  10. Fill the cooling system to the proper level. Cooling System Draining and Filling

  11. Start the engine and check for coolant leaks.