Question about 1989 Isuzu Pickup 2WD

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Key Cylinder removal

How do I change the key cylinder on my 1989 Isuzu pick up? It is difficult to turn.

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  • Jim Bob W May 17, 2008

    I have a 1989 Isuzu pickup. The key has become almost impossible to turn. How do I remove the cylinder & replace it?

  • Jim Bob W Jun 13, 2008

    Thanks for the answer. I was able to change it out after pulling the steering wheel. It was pretty easy after that. Two screws that hold the turn signal lever, pulled it back, one brass button, it all came out.

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  • 25 Answers

Lock cylinder & keys is about $90. Switch alone is around $45 with wiring harness. Don't know if switch comes with a new lock cylinder. Thought I had to replace mine, so read up on it in Haynes Repair manual before jumping in. Just did this today. Took my switch apart, cleaned it - nothing wrong, put it back together. Doing that, I didn't have to remove the lock cylinder, so I can't offer hands on with that.
My '89 pickup does not have shearhead bolts as described in the manual - guess some models do. Here's what the book says (with my add-ons):

- Disconnect neg. battery cable
- Remove steering column cover (bottom half - 5 phillips screws)
- Unplug ignition switch wiring harness (I didn't do this - must be back up under the dash somewhere)
- Remove the two ignition switch/steering lock mounting bolts (phillips) If shearhead bolts, cut a slot in the head with a chisel, then use a flat blade screwdriver to remove. You can get to these two screws by turning the steering wheel first one way, then the other. (Once you get in there, you'll see removing it is not a big issue)
- Remove switch assembly from steering column.
- Install is reverse of removal procedure

Posted on Jun 08, 2008

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1 Answer

How do I remove the ignition barrel from the cylinder housing?


Hello,

This is a fairly straight forward job and with the correct tools shouldn't be very difficult. Your biggest challenge will be that your key is broken off since the key is instrumental in pulling the old switch out. Please read my instructions below fully before attempting the job.

Tools Needed - Flat & Phillip Head Screw Driver, Small 90 Degree Hook, A Straight Pick & T30 Safety Torx
remove-ignition-barrel-from-cylinder-p1aus1s3fwe0ue1iewji4qiu-2-0.jpg
Removal
1. You need to get the plastic column cover off from around the steering wheel by removing the two phillips head screws on the bottom side.
2. The guard will come apart in two pieces by pulling with medium to hard pressure.
3. You might need to tilt the column downward to get the guard off if its too high.
4. Now your cylinder will be exposed and you should see the safety torx bolt on the side of your cylinder. (Remove The Torx)
5. There will be a small lock button on the top opposite side from the torx bolt, You will need to get your key switch into the on position then use the 90 degree pick to push the small safety lock button at the same time while pull outward. (See #6 Before Moving On)
6. Here is where you could run into problems since your key is broken. I suggest taking a small flat head screw driver and turn your key cylinder with slight pressure towards the on position while lightly pulling outwards as if you where pulling the key out. You must also push that small lock button with your 90 degree pick as explained above all in one motion. (The cylinder will not release if the key cannot be put into the on position)

Note
I suggest purchasing your new key cylinder and examining it very well before stating the job. You will see the small safety lock button and can understand how everything works before you start.

Re-Install
1. There is a small spring inside where the key switch slides back into the ignition (It sits in a center hole) If that came out you will need to use the straight pick to slide it back into position.
2. Take your new cylinder with the key in the on position (Just like It was during removal) and get it into the position to slide back in.
3. There will be a small foot shaped lever at the bottom of the cylinder housing you will need to press downward at the same time your sliding the new cylinder back into place.
4. Take not also to insure the safety lock button on top of the new cylinder slides past the housing into place
5. You might have to turn the key cylinder slightly back and forth a few time while applying pressure inwards.

It sounds like a ton of work but it is really a straight forward job once you do it. I just wanted to explain every small detail you could run into. You will see most of the things I explained above on your own as your going through the motion.

I hope this helps you out and if it works please rate my answer as helpful. Good Luck!

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Sounds like the ignition lock cylinder has gone bad. A pretty common problem with GM vehicles. Try tapping it with the handle end of a large screwdriver. Don't be afraid to give it a good whack. Then try the key. If you get it to turn replace the lock cylinder immediately. The key needs to be in the run position in order for the cylinder to be removed. If it can not be put in the run position it makes removal a lot more difficult.

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There is a TSB on this issues if your having ignition lock issues.
Service Information
2009 Chevrolet Cobalt | Cobalt, G5 (VIN A) Service Manual | View All Bulletins | Document ID: 2325129

#09-02-35-005: Ignition Key Difficult to Remove, Ignition Key Binds or Sticks in Cylinder (Replace Ignition Cylinder) - (Aug 10, 2009)

Subject: Ignition Key Difficult to Remove, Ignition Key Binds or Sticks in Cylinder (Replace Ignition Cylinder)

Models: 2008-2009 Cadillac CTS (Built Prior to VIN Breakpoint 90163371)

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2007-2009 Pontiac G5 (Built Prior to April 14, 2009), Torrent (Built Prior to July 2008)

Attention: This bulletin only applies to vehicle equipped with automatic transmission.

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'95 rodeo cant turn the key, the key is not stuck,the cylinder is


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Still no solution, time to give up and call a locksmith.

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REMOVAL

  1. On models equipped with airbag, disarm airbag as described under MAINTENANCE PROCEDURES/AIRBAG SYSTEM DISARMING.
  2. On all models, disconnect battery ground cable.
  3. Remove ignition switch as described under STARTING AND CHARGING SYSTEMS/COMPONENT REPLACEMENT AND REPAIR PROCEDURES/IGNITION SWITCH.
  4. Remove key light case from lock body, if equipped.
  5. On 1989 Accord models, place ignition lock cylinder in the ACC position.
  6. On except 1989 Accord, place ignition lock in the I position.
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INSTALLATION

  1. On 1989 Accord models, install ignition lock cylinder as follows:
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    2. Rotate key until it is almost at the ACC position, then insert lock cylinder until pin contacts housing.
    3. Rotate key to ACC position, then push pin in and insert lock cylinder into housing until pin clicks into place.
  1. On except 1989 Accord, install ignition lock cylinder as follows:
    1. Place ignition lock cylinder in the O position.
    2. Rotate key until it is almost at the I position, then insert lock cylinder until pin contacts housing.
    3. Rotate key to I position, then push pin in and insert lock cylinder into housing until pin clicks into place.
  1. Install ignition switch and connect battery ground cable.
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CAUTION:
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  • Before disconnecting the SRS wire harness, install the short connector on the airbag.
  • Replace the entire affected SRS harness assembly if it has an open circuit or damaged wiring.
IGNITION SWITCH
  1. Remove the steering wheel, then remove the steering column covers.
  2. Disconnect the 7-P connector from the under-dash fuse box.
  3. Insert the key and turn it to "0."
  4. Remove the 2 screws and replace the base of the switch.

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