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2002 Buick Century: remove ignition tumbler on same car

Answered by:Matt J
Buick Mechanic
Positive Feedback: 95.2 %
Accepted Answers: 71

in Buick

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Positive

The diagnosis was correct. I had the passenger side front wheel bearing...

Customer Question

what are the steps to change malty switch on a 2002 Buick Century.
How to remove ignition tumbler on same car

Optional Information:
Year : 2002
Make : Buick

Submitted: 1154 days and 20 hours ago.

Category: Buick

Value: $9

Status: CLOSED

Accepted Answer

Expert: Matt J replied 1154 days and 20 hours ago.

Hello my name is XXXXX XXXXX X will be more than happy to assist you.

Object Number: 217453 Size: SH

Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.

Turn OFF the ignition.

Remove the key from the ignition switch.

Remove the IP fuse block access door.

Important

With the AIR BAG Fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation, and does not indicate an SIR system malfunction.

Remove the AIR BAG Fuse.

Caution: When you are carrying an undeployed inflator module: When you are storing an undeployed inflator module, make sure the bag opening points away from the surface on which the inflator module rests. When you are storing a steering column, do not rest the column with the bag opening facing down and the column vertical. Provide free space for the air bag to expand in case of an accidental deployment. Otherwise, personal injury may result.

On the back side of the steering wheel are 4 openings for removing the driver inflator module.

Turn the steering wheel until 2 of the openings are on the top.

Adjust and install J 44298 into 2 of the holes.

Important

Seat the air bag removal tool all the way in to perform properly.

Push the handle back towards the instrument panel (I/P) releasing the 2 spring loaded fasteners at the same time.

Turn the steering wheel and repeat the same steps for the other 2 openings.

Pull the module gently away from the steering wheel.
Object Number: 294362 Size: SH

Important

Note the driver inflator wire routing positions, the redundant control routing positions, and the horn wire routing positions for the correct re-assembly.

Remove the connector position assurance (CPA) and remove the inflator module electrical connector.

Remove the horn contact lead.

Remove the inflatable restraint steering wheel module.

Scribe an alignment mark on the steering wheel hub. Align the mark with the slash mark on the steering shaft.
Object Number: 294367 Size: SH

Loosen the steering wheel nut.

Position the steering wheel nut flush with the end of the steering shaft.
Object Number: 255213 Size: SH

Assemble J 1859-A with J 42578 on the steering wheel.

Use J 1859-A with J 42578 in order to unseat the steering wheel from the steering shaft.

Remove J 1859-A and J 42578 from the steering wheel.

Remove the steering shaft nut.

Remove the steering wheel from the steering shaft.

Unroute the SIR connector from the steering wheel.

Pivot the tilt lever back and forth, while pulling the lever from the column.

Remove the tilt lever from the steering column.
Object Number: 415298 Size: SH

Remove the 2 TORX ® head screws (1) from the lower trim cover (2).
Object Number: 328807 Size: SH

Remove the lower trim cover from the upper trim cover.

Tilt the lower trim cover down.

Slide the lower trim cover backward in order to disengage the locking tabs.
Object Number: 814153 Size: SH

Remove the 2 TORX ® head screws (1) from the upper trim cover (2).

Remove the upper trim cover (2) from the steering column.

Remove the wire harness straps from the wire harness assembly on the steering column.

Disconnect the multifunction switch assembly connector from the SIR coil assembly connector.

Slide the multifunction switch assembly connectors (2) out of the steering column bulkhead connector (1).
Object Number: 814791 Size: SH

Remove the screws (1) from the multifunction switch assembly (2).

Remove the multifunction switch assembly (2) from the steering column.

Expert Type	Buick Mechanic
Category:	Buick
Pos. Feedback:	95.2 %
Accepts:	71
Answered:	2/19/2010

Experience: ASE Certified Master Tech,10+ Yrs Experince All Makes,Advance Training On All GM Makes

Ask this Expert a Question >

Customer replied 1154 days and 19 hours ago.

Expert: Matt J replied 1154 days and 19 hours ago.

Did you have a question your reply did not contain anything?

Customer replied 1154 days and 19 hours ago.

Don't see how to remove ignition switch tumbler to replace

Expert: Matt J replied 1154 days and 19 hours ago.

Sorry about that. here is the instructions for that also.

Object Number: 373859 Size: SH

Disconnect the negative battery cable from the battery.

Remove the upper and lower steering column trim covers.

Disconnect the ignition lock cylinder electrical connector from the wiring harness on the column.

Put the key in the steering column lock cylinder set (1).

Turn the key to the START position.

Install a 1/16 allen wrench (2) into the hole on top of the lock module assembly to release the steering column lock cylinder set retaining pin.

Turn the steering column lock cylinder set (1) into the RUN position.

Pull the steering column lock cylinder set (1) out from the lock module assembly.

Remove the key from the steering column lock cylinder set (1).

Installation Procedure

Insert the key into the steering column lock cylinder set (1).
Line up the locking tab (2) and the positioning tab (3) of the steering column lock cylinder set with the locking tab slot (5) and the positioning tab slot (4) in the lock module assembly (6).
Push the steering column lock cylinder set (1) into the lock module assembly (6).
Rotate the steering column lock cylinder set (1) in the lock module assembly (6) into all positions.
Connect the ignition lock cylinder electrical connector to the wiring harness on the column.

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