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Home >> Cadillac >> 2013 >> Escalade Hybrid, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (With LY2, LMG, LY5, LY6 or LFA) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Locating Coolant Heater
    GM1702202Courtesy of GENERAL MOTORS COMPANY
  1. If reusing the old coolant heater, apply thread sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads.
    2. CAUTION:

    Refer to Fastener Caution .

  2. Install the coolant heater to the engine block and tighten to 50 N.m (37 lb ft).
    3. Fig 2: View Of Coolant Heater Cord
    GM1699548Courtesy of GENERAL MOTORS COMPANY
  3. Connect the coolant heater cord electrical connector.
    4. Fig 3: Locating Oil Cooler Hose Bracket & Adapter Bolts
    GM1702200Courtesy of GENERAL MOTORS COMPANY
  4. For vehicles with RPO LY6 (6.0L) perform the following steps otherwise proceed to step 9.
  5. Position the oil cooler hose adapter end.
  6. Install a NEW oil cooler hose adapter gasket.
  7. Install the oil cooler hose adapter bolts (2) and tighten to 12 N.m (106 lb in).
  8. Install the oil cooler hose bracket bolt (1) and tighten to 25 N.m (18 lb ft).
    9. Fig 4: View Of Oil Pan Skid Plate & Bolts
    GM1698083Courtesy of GENERAL MOTORS COMPANY
  9. If equipped, for 2500 series vehicles, position the oil pan skid plate and install the 2 front bolts and tighten the 2 rear bolts and tighten to 20 N.m (15 lb ft)
    10. Fig 5: View Of Oil Pan Skid Plate & Bolts
    GM1698082Courtesy of GENERAL MOTORS COMPANY
  10. If equipped, for 1500 series vehicles position and install the oil pan skid plate and bolts and tighten to 20 N.m (15 lb ft).
  11. Lower the vehicle.
  12. Fill the cooling system/engine block. Refer to Cooling System Draining and Filling (Static Fill) .
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