Jeep Cherokee 1988 Quick Start Manual page 12

Removal
Disconnect fuel lines from fuel rail assembly. Disconnect
injector wire harness connector. Remove fuel rail retaining bolts.
Remove vacuum hose from fuel pressure regulator valve. Remove fuel
injector retaining clips and remove fuel injectors. See Fig. 7. On
models with (A/T), it may be necessary to remove throttle pressure
cable and bracket to remove fuel rail assembly.
NOTE: O-rings must be replaced before fuel lines are reassembled.
Installation
Install fuel injectors into fuel rail assembly and install
retaining clips. Position fuel rail onto manifold while lining up
injectors with holes in intake manifold. Secure injector retaining
bolts. Connect injector wire connectors to proper injectors. Install
fuel lines into fuel rail assembly. Connect vacuum hose to pressure
regulator. Install throttle pressure bracket and cable (A/T).
Fig. 7: Fuel Rail Assembly
Courtesy of Chrysler Motors.