Question about 1998 GMC Sierra

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Key Cylinder needs replacing

The key cylinder in my 1998 GMC Z71 needs replacing, but I can't figure out how to get the old cylinder out.

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You must remove the air bag,steering wheel, directional switch and lock plate. There is a screw which locks in the lock cylinder but unfortanetley it is not easily accessable and there is a special tool needed to remove the lock plate snap ring

Posted on May 26, 2009

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this is for 98, but may apply if yours is late 97 build.

Article No.
98-21-14
  • IGNITION SWITCH - HIGH EFFORT IGNITION KEY INSERTION/REMOVAL AND/OR KEY CHIMES SOUND WITH DOOR OPEN AND IGNITION KEY REMOVED
Publication Date: OCTOBER 15, 1998
FORD: 1998 CONTOUR LINCOLN-MERCURY: 1998 MYSTIQUE
1999 COUGAR
This TSB article is being republished in its entirety to include the 1999 Cougar . ISSUE: The ignition key may be difficult to insert or remove and/or key chimes may sound with the ignition key removed and driver's door open on some vehicles. This may be caused by internal design characteristics in the ignition lock cylinder increasing insertion/removal efforts which may allow the lock cylinder to stick.
ACTION: Install a revised ignition lock cylinder. The revised ignition lock cylinder should reduce the possibility of high insertion/removal efforts and ensure proper chime function. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
  1. Verify customer concern.
  2. Observe the ignition lock cylinder as the key is removed. If the lock cylinder snaps outward to the non-depressed position and the chimes stop sounding, continue to Step 3. If it does not snap outward, replace the ignition lock cylinder with the appropriate cylinder by referring to the Parts Block in this article.
  3. Insert and remove the ignition key from the lock cylinder. If binding or high efforts are encountered, replace the ignition lock cylinder.
  4. From the Parts Block, select a lock cylinder with a part number suffix identical to the center character of the key code of the vehicle. The suffix must match the center key code character to maintain a single key system.
  5. Install the replacement lock cylinder, by referring to the 1998 Contour/Mystique Workshop Manual, Section 211-05 or the 1999 Cougar Workshop Manual, Section 211-04. NOTE: KEYS INCLUDED WITH NEW IGNITION LOCK CYLINDERS ARE CUT FOR THE IGNITION ONLY. IN ORDER FOR THE KEYS TO FUNCTION IN THE DOOR LOCKS, THE KEYS MUST BE CUT TO THE DOOR CODE OF THE ORIGINAL LOCKSET. THE KEY CODE WILL CHANGE UPON INSTALLATION OF THE REPLACEMENT LOCK CYLINDER (FIGURE 1).

    tw2114~us~en~file=tb5525a.gif~gen~ref.gif
    Figure 1 - Article 98-21-14

    NOTE: ADVISE THE CUSTOMER TO DISCARD ALL KEYS THAT WERE CUT TO THE ORIGINAL IGNITION LOCK CYLINDER.
  6. Record the new key code on the repair order and provide to the customer. Advise the customer to record the new key code in a permanent location and to discard all references to the original key code. NOTE: REPLACEMENT IGNITION LOCK CYLINDERS ARE SHIPPED WITH NON-PASSIVE ANTI-THEFT SYSTEM (PATS) KEYS. IF THE VEHICLE IS EQUIPPED WITH PATS, OBTAIN TWO (2) ROTUNDA KEY BLANKS (OR OTHER FORD AUTHORIZED BLANKS, SUCH AS: ILCO, STRATTEC, CURTIS, HUF, OR VALEO) AND CUT TO THE REVISED KEY CODE. USE OF OTHER UNAUTHORIZED KEYS MAY CAUSE ERRATIC OPERATION OF THE PATS SYSTEM.
  7. Program PATS keys using one of the two following methods:
(1) For vehicles with Integrated PATS (IPATS), function built into the Powertrain Control Module (PCM) and built beginning:
  • 2/2/98 Kansas City (Contour/Mystique)
  • 2/16/98 Mexico (Contour/Mystique)
  • All 1999 Cougars
Using the New Generation Star (NGS) Tester equipped with Service card (green) level 3.0 or higher:
  1. From NGS menu, select:
    • Service Bay Functions
    • PCM
    • Enter Security Access (10 minute delay)
    • Ignition Key-Code-Erase
  2. Disconnect Data Link Connector (DLC).
  3. Cycle the first non-programmed key in the ignition to run position for at least 3 seconds and then turn to the off position.
  4. Cycle the second non-programmed key in the ignition to run position. The theft indicator should prove out for 3 seconds.
  5. Verify the vehicle will now start using both keys.
(2) For Contours/Mystiques with Stand Alone PATS and built before:
  • 2/2/98 Kansas City
  • 2/16/98 Mexico
Using the New Generation Star (NGS) Tester equipped with Service card (green) level 1.0 or higher:
  1. From NGS menu, select:
    • Service Bay Functions
    • PATS
    • Ignition Key-Code-Erase (this process may take up to 8 minutes to complete )
  2. Disconnect DLC.
  3. Cycle first unprogrammed key in the ignition to run position. First key will program and allow vehicle to start.
  4. Again cycle first programmed key to run position. Within 15 seconds, remove original key and turn new unprogrammed key to run position. The theft indicator should prove out for 2 seconds. New key will start vehicle.
  5. Repeat this process for additional key programming. NOTE: THE FOLLOWING SHOULD BE NOTED FOR THE PART NUMBER BLOCK:
    • Part Number suffix will match center character in key code
    • Logo on key is Ford for Contour models
    • Logo on key is Mercury for Mystique and Cougar models


PART NUMBER PART NAME F5RZ-11582-A Ignition Lock Cylinder (Contour) F5RZ-11582-B Ignition Lock Cylinder (Contour) F5RZ-11582-C Ignition Lock Cylinder (Contour) F5RZ-11582-D Ignition Lock Cylinder (Contour) F5RZ-11582-E Ignition Lock Cylinder (Contour) F5RY-11582-A Ignition Lock Cylinder (Mystique, Cougar) F5RY-11582-B Ignition Lock Cylinder (Mystique, Cougar) F5RY-11582-C Ignition Lock Cylinder (Mystique, Cougar) F5RY-11582-D Ignition Lock Cylinder (Mystique, Cougar) F5RY-11582-E Ignition Lock Cylinder (Mystique, Cougar

Aug 13, 2008 | 1997 Ford Contour

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