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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Thermostat Bypass Pipe Replacement (LTG) >> Installation Procedure

Installation Procedure

    Fig 1: Thermostat Bypass Pipe Fasteners
    GM2863953Courtesy of GENERAL MOTORS COMPANY
  1. Install the thermostat bypass pipe (2) into position with a NEW gasket (3).
    2. CAUTION:

    Refer to Fastener Caution .

  2. Install the thermostat bypass pipe fasteners (1) and tighten to 10 N.m (89 lb in).
    3. Fig 2: Thermostat Bypass Pipe
    GM2874426Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Replace hose clamps if necessary.

  3. Install the hose (1) on the thermostat bypass pipe (2).
    4. Fig 3: Thermostat Bypass Hose
    GM2866280Courtesy of GENERAL MOTORS COMPANY
  4. Install the thermostat bypass hose (2) on the thermostat bypass pipe (1).
    5. Fig 4: Radiator Inlet Hose And Water Outlet
    GM2865056Courtesy of GENERAL MOTORS COMPANY
  5. Install the radiator inlet hose (1) to the water outlet (2).
  6. Install the battery tray. Refer to Battery Tray Replacement .
  7. Install the exhaust manifold heat shield. Refer to EXHAUST MANIFOLD HEAT SHIELD REPLACEMENT (LTG) .
  8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (LTG) .
  9. Fill the cooling system. Refer to Cooling System Draining and Filling (GE 47716) .
  10. Start the engine and check for coolant leaks.
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