Seville V8-273 4.5L (1989)
Heater Core: Service and Repair
Fig. 17 Programmer Mounting Bolt Locations
Fig. 18 Programmer Linkage Positioning
1.
Disconnect battery ground cable, then drain cooling system.
2.
Remove screws securing glove box module and the glove box, then the righthand lower sound insulator.
3.
Remove programmer as follows:
a. Remove two ECM bracket mounting screws, then position ECM aside to gain access to rear programmer mounting screw.
b. Remove threaded rod, then the vacuum connector retaining nut from programmer.
c. Disconnect electrical and vacuum connectors from programmer assembly, then remove three mounting screws and programmer, Fig. 17.
4.
On 1990-92 models, remove electrical connections from BCM, then the BCM and mounting bracket from vehicle.
5.
On all models, remove electrical connections from ECM, then the ECM and mounting bracket from vehicle.
6.
Remove heater core cover, then disconnect heater hoses from heater core.
