Operation CHARM: Car repair manuals for everyone.

Service Procedure, Label & Claim Information

SERVICE PROCEDURE

INSPECTION

1. Disconnect negative battery cable.

2. Remove hush panel (lower column).

3. Disconnect lock cylinder wiring connector at bottom of steering column.

4. Using a terminal pick, remove one of the lock cylinder wire terminals from wiring connector (Step 3) and inspect for presence of solder. If strands of wire are a silver/white color, terminal is soldered and lock cylinder replacement is not required. Reinstall terminal into connector, reinstall connector, hush panel and negative battery cable. Install Campaign Identification Label. No further action is required.

If strands of wire are copper colored, terminal is not soldered (crimped only) and lock cylinder replacement is required. Replace lock cylinder according to instructions below.

FIGURE 1:




FIGURE 2:




FIGURE 3:




FIGURE 4:




FIGURE 5:




LOCK CYLINDER REPLACEMENT

1. Remove steering wheel. See Figure 1.

2. Remove shaft lock and canceling cam. See Figure 2.

3. Disconnect turn signal switch harness connector on lower column (extra wire is needed to lift turn signal switch high enough to work around).

4. Remove black plastic turn signal wire protector on underaide of column.

5. Remove turn signal switch attaching screws, lift switch enough to work around.

6. Remove lock cylinder. See Figure 3.

7. Cut lock cylinder wiring and wire retainer leg as shown in Figure 4, Points A & B.

8. Attach remaining wire extending from steering column cover to back of connector body on new lock cylinder. Wrap this temporary connection three (3) or four (4) times with electrical tape.

9. Pull on original lock cylinder wire connector at bottom of steering column and carefully feed new wire through lock cover opening and down through steering column. Connect new lock cylinder wiring connector.
10. Route wire as it originally was and insert wire retaining grommet. See Figure 5.

11. Reassemble by reversing above steps as applicable.

12. Determine electrical code of owners key by inserting it in key code reader on VATS Interrogator (J35628 or equivalent). Refer to 1988 Corvette Electrical Diagnosis Service Manual Supplement (ST-364-88-EDM) for additional information on operating VATS Interrogator.

13. Cut owner three (3) new ignition keys having same electrical code as original key using blank key supplied with new lock cylinder. Use ignition key P/N's 26012101 through 26012115 only (see Parts Information section of this bulletin).

14. Check all new keys for proper operation both mechanically and electrically.

15. Install Campaign Identification Label.



CAMPAIGN IDENTIFICATION LABEL

Each vehicle corrected in accordance with the instructions outlined in this bulletin will require a "Campaign Identification Label." Each label provides a space to include the five (5) digit dealer code of the dealer performing the campaign service. This information may be inserted with a typewriter or a ball point pen.
Each "Campaign Identification Label" is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner.

Apply "Campaign Identification Label" only on a clean dry surface.



CLAIM INFORMATION

Submit a Product Campaign Claim with the information indicated below:
* Campaign Administrative Allowance

** The "Parts Allowance" should be the sum total of the current GMSPO Dealer Net price plus 30% of all parts required for the repair.

*** Towing charges and miscellaneous charges should be listed the "Net Amount" column. Wholesale authorization "E" is required for any towing, or additional labor/maintenance.

Dealers will automatically receive the correct labor and material allowance based on the labor operation performed.

Refer to the Chevrolet Claims Processing Manual for details on Product Campaign Claim Submission.