# Drain the engine cooling system into a clean container for reuse. # Discharge and recover the air conditioning system refrigerant. # Remove or disconnect the following:
Negative battery cableHeater hoses from the heater coreSurge tank (diesel) or the coolant recovery reservoir (except diesel).Positive battery cable, the battery hold-down and the batteryRefrigeration lines from the air conditioning accumulator and discard the gasketsAir conditioning accumulatorLower right kick panel and the knee bolster, from the right sideLower outer floor air outlet ductHeater case screws
# Carefully open the heater core access door and remove the core..............
How do you replace the heater blower motor resistor on a 1998 gmc serria 1500 p/u
You don't have a heater control valve for this truck.......
You don't From, Gabe Higbee
in the heater box behind the dash on the passenger side of the truck you have to remove the dash to get to it
Very. Requires removal of the dash for access.
The core is probably plugged.
The speed sensor on a 1998 GMC Savanna is located in the engine compartment. It is on the back of the transmission.
Yes, that would be a good idea given the age of the truck.
Passenger side of the intake manifold.Passenger side of the intake manifold.
How do you replace a heater core in a 1998 Ford Expedition?"
You will have to remove the whole instrument panel. Then lower or remove steering column. Then disassemble heater case. Best taken to a dealer due to possible steering column issues, not impossible though. is it the same as a 1998 heater core replacement
How do you replace a heater core in a 1998 ford expedition?"