HEATER GP 1268483 - Caterpillar

Installation Procedure
Illustration 1 g00634271
Install heater core (10).
Install bolts (11).
Illustration 2 g00634264
Reposition water valve (8). Install screws (9).
Illustration 3 g00634220Note: Make sure that the temperature sensor is positioned correctly in the evaporator coil while you install the case assembly.
Position case assembly (5) on the evaporator coil and the heater core.
Install the washers and five bolts (6).
Install hose (7) and the hose clamp. Tighten the hose clamp to a torque of 4.5 .5 N m (40 4.4 lb in).
Illustration 4 g00515725
Illustration 5 g00515726Note: Make sure that the damper for the upper body is positioned correctly in the case assembly.
Install case assembly (1).
Install the washers and six bolts (2).
Connect two electrical connectors (3) to the two damper motor assemblies. Install wire tie-wrap (4). End By:
Install the heating and air conditioning unit. Refer to Disassembly and Assembly, "Heating and Air Conditioning Unit - Install" in this manual.