Sovereign L6-4.0L (1991)
Technical Service Bulletin # 7664
Date: 910301
Door Locks (Tibbe Style) - Repair/Replacement
SECTION: 76
No: 64
TIBBE DOOR LOCKS
Model: 90-91 SEDANS
Date: MARCH, 1991
KEY POINTS: TIBBE LOCKS REPAIR/REPLACEMENT PROCEDURE
General Information
ISSUE:
Tibbe lock repairs must now be performed using a repair kit or replacing the lock with one of a new specification.
NOTE:
Vehicle lock sets will no longer be supplied once existing stocks have been used.
ACTION:
The replacement and/or repair procedures for the Tibbe Lock system are divided into the following 3 sections:
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Section A - Replacement of ignition lock and glove box locks.
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Section B - Identification of the key code/cut sequence.
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Section C - The repair procedure for the door and trunk locks.
Section A
SECTION A - Replacement of Ignition and Glove Box Locks:
Ignition Lock -
The ignition lock is not serviceable. If the lock has failed, install a slave lock until the coded replacement is received. If the lock has not failed but
occasionally sticks, order a coded replacement and install when available.
The order for a coded ignition lock should be submitted to your Zone Parts Department as a V.O.R. request with the following information:
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Key Code
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Barrel Assembly JLM 1983 (replacement lock)
Glove Box Lock -
This lock is also not serviceable and must be replaced as a unit. A slave lock barrel is not available.
The order for a coded glove box lock should be submitted to your Zone Parts Department as a V.O.R. request with the following information:
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Key Code
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Lock BEC 1395 (replacement lock)
Section B
SECTION B - Identification of Key Cut Code:
