938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Heater Coil - Remove Caterpillar


Heater Coil - Remove
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1.1. Removal Procedure

Removal Procedure

Start By:

  1. Remove the seat. Refer to Disassembly and Assembly, "Seat - Remove and Install".

------ WARNING! ------

At operating temperature, the engine coolant is hot and under pressure.

Steam can cause personal injury.

Check the coolant level only after the engine has been stopped and the filler cap is cool enough to touch with the bare hand.

Remove the filler cap slowly to relieve pressure.

Cooling system conditioner contains alkali. Avoid contact with skin and eyes to prevent personal injury.


Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.



    Illustration 1g00984408

  1. Close valves (1A).


    Illustration 2g00984409


    Illustration 3g00984410

  2. Remove screws (1) that secure cover (2).

  3. Lift up cover (2). Disconnect wire (3). Remove cover (2).

  4. Remove rubber mat (4) and the insulation from the cab floor.


    Illustration 4g00284953

  5. Remove bolts (6) and the washers. Remove cover (5).


    Illustration 5g00284954

  6. Remove cover (7).


    Illustration 6g00984412

  7. Remove control knobs (8), cover assembly (9) and air filter (9A) (not shown).


    Illustration 7g00284956

  8. Remove the bolts, the washers, and screws (11). Remove cover (10).


    Illustration 8g00284959

  9. Remove gaskets (12).


    Illustration 9g00460919

  10. Pull capillary tube (15) out of coil assembly (13). Carefully move the capillary tube away from the coil assembly.

  11. Disconnect hose assemblies (14).


    Illustration 10g00460920

  12. Remove seals (17), bolts (18), and the washers from both ends of the coil assembly.

  13. Remove heater core (16).

Information System:

938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Diverter Valve (Quick Coupler) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control (Joystick) - Remove
3034 Engine for Caterpillar Built Machines Pistons and Connecting Rods - Remove - Serrated Connecting Rod
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pressure Reducing Valve (Traction Control System) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Main Control Valve - Install
D10R Track-Type Tractor Hub Oil (Flexxaire Fan) - Change - If Equipped
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Selector and Pressure Control Valve (Pilot) - Remove and Install
D6N Track-Type Tractor Machine Systems Bulldozer Lift Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems Bulldozer Tilt Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems Sweeps - Remove and Install
651E and 657E Wheel Tractor-Scrapers Wheel Scraper Power Train Scraper Wiring Group
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Main Control Valve - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control (Joystick) - Install
2003/03/10 A New Dust Ejector Group for the Exhaust Prevents Loading on the Muffler {1068}
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Heater Coil - Install
3034 Engine for Caterpillar Built Machines Crankshaft - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Blower Motor (Air Conditioner, Heater) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Blower Motor (Air Conditioner, Heater) - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Quick Coupler - Remove
D6R Series II Track-Type Tractor Bulldozer Blade Tilt Control
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Window Wiper and Wiper Motor (Front) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Quick Coupler - Install
D6R Series II Track-Type Tractor Bulldozer Blade Lift Control
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Window Wiper and Wiper Motor (Front) - Install