K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995)
Auxiliary Heater Hose Assembly Routing Rear
Remove or Disconnect
Tool Required:
J 38723 Heater Line Quick Connect Separator or Equivalent
Raise the vehicle and support with suitable safety stands.
1. Engine coolant.
2. Bolts.
3. Rear hose assembly from front hose assembly.
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Push rear hose assembly into front hose assembly and insert J 38723 or equivalent into hose to release locking tabs.
4. Rear hose assembly from auxiliary heater core.
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Push rear hose assembly into auxiliary heater core and insert J 38723 or equivalent into hose to release locking tabs.
Install or Connect
1. Rear hose assembly to front hose assembly.
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Push rear hose assembly into front hose assembly until retainer tabs lock.
2. Rear hose assembly to auxiliary heater core. ^ Push rear hose assembly into auxiliary heater core until retainer tabs lock.
3. Bolts. Tighten bolts to 17 Nm (13 lbs. ft.).
4. Engine coolant.
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Lower the vehicle.
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Check the system for leaks.
Heater Pipes