G 2500 3/4 Ton Van V8-305 5.0L VIN M SFI (1997)
Heater Hose: Service and Repair
Auxiliary Heating System
Front Heater Pipe Inlet and Outlet
Remove or Disconnect
1. Drain the coolant.
2. The exhaust system.
Tighten
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The retainers to the body to 5 N.m (44 lb. in).
3. The heat shields from the vehicle.
4. The heater hose connections from the water by-pass valve.
5. The heater hose connections at the intermediate pipe.
6. The retainers from the vehicles body.
7. The front inlet and outlet pipe from the vehicle.
Install or Connect
1. The front inlet and outlet pipe to the vehicle.
2. The retainers to the vehicles body.
3. The heater hose connections at the intermediate pipe.
4. The heater hose connections from the water by-pass valve.
5. The heat shields from the vehicle.
6. The exhaust system.
7. Refill the coolant.
Heater Line Repair
Minimum Tube Length Requirement Chart
Tool Required:
J 41425 A/C and Heater Line Repair Kit
The heater line repair kit is the recommended repair for all heater lines that require repair caused by rub through, collision damage, or system leakage. In
a situation that the heater line has visible damage in a bend area, the heater line needs to be sectioned. Sectioning the line will obtain the original line
