Instrument Cluster / Carrier: Service and Repair

On some models, a yellow flag with the word emissions will rotate into the odometer window at 30,000 mile intervals indicating either a catalyst or oxygen sensor change is required. After performing the required maintenance, reset the emissions flag as follows:
a. On Cutlass models, remove cluster pad assembly. On 88, 98, Custom Cruiser and Toronado, remove lefthand trim cover.
b. On all models, remove trip odometer reset knob, if equipped.
c. Remove screws attaching cluster lens to cluster assembly and remove lens.
d. Using a pointed tool inserted at an angle to engage flag wheel detents, rotate flag wheel downward. When flag wheel is reset, the alignment mark will be in center of odometer window.

Fig. 13 Instrument cluster. 88, 98 & Custom Cruiser:

88, 98 & CUSTOM CRUISER
1. Disconnect battery ground cable.
2. Rotate headlight switch so notch on switch faces downward. Bend a 1/8 inch hook on a piece of stiff wire. Use the wire hook in the notch to pull the knob retainer clip and pull knob off shaft.
3. Remove twilight sentinel knob.
4. Position steering column collar upward and remove column lower trim cover.
5. Remove two screws securing trim cover to cluster carrier, Fig. 13.
6. Pull trim cover from clips.
7. Remove radio knobs and cigar lighter.
8. Remove two screws securing to panel, Fig. 13.
9. Pull trim cover from panel clips.
10. Remove radio as outlined under ``Radio, Replace.''
11. Remove A/C-heater control attaching screws, pull control outward and disconnect control cables and electrical connectors.
12. Remove switches, clock and disconnect ashtray lamp.
13. Remove righthand outside remote mirror control screws.
14. Disconnect shift indicator cable clip.
15. Remove steering column bolts at floor pan and the nuts from the steering column bracket. Then, lower the steering column and rest steering wheel on seat.
16. Disconnect speedometer cable.
17. Remove instrument panel cluster carrier bolts and the two instrument panel screws, Fig. 13.
18. Remove center air duct screws.
19. Pull cluster outward to disconnect electrical connectors.
20. Remove cluster carrier, Fig. 13.