The Heater Core Replacement Step :
1. Disconnect battery ground cable, then drain cooling system.
2. Disconnect hoses from heater core.
3. If equipped with A/C, remove evaporator/blower housing as follows:
a. Discharge A/C system, then disconnect hoses from expansion valve.
b. Disconnect electrical connector and vent tube from blower motor.
c. Remove console, if [...]

This complete document is service manual and as guide of maintenance troubleshooting and instruction manual of your 1988 Jeep cherokee. This jeep service manual contains deep information about maintaining, assembly, disassembly and servicing your 1988 Jeep Cherokee. This Jeep cherokee service manual document contents information as follow : Power Systems, Restraints, Speed Control, Vehicle Theft [...]