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Heater Core Replacement

Fig 1: Locating Heater Core
GM1620265Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the heater inlet hose from the heater core. Refer to Heater Inlet Hose Replacement (LNF) .
  2. Remove the heater outlet hose from the heater core. Refer to Heater Outlet Hose Replacement (LNF) .
  3. Remove the instrument panel tie bar. Refer to Instrument Panel Tie Bar Replacement .
  4. Remove the center floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Center .
1 HVAC Module to Dash Panel Nut (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten:  10 N.m (88 lb in)
2 Cover Assembly Screw - Heater (Qty: 12)

Tighten:  1.5 N.m (13 lb in)
3 Heater Cover Assembly
4 Heater Core Assembly
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