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Re: cannot remove key from ignition unless battery...
This is a common problem, but 99% of the time it's easier to fix than you think. Most common problem is that there is a release mechanism on the collumn somewhere. Look carefully, usually underneath. Push it and while holding turn key to off position. Sometimes you have to push the key in while turning. Please post your results.
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Just the key or the whole lock cylinder with key ?
Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
Disconnect the battery negative cable.
Disable the SIR system. Refer to Disabling the SIR System
Position the steering wheel half way between the upper and lower tilt stops (if necessary).
Remove the steering wheel. Refer to Steering Wheel Replacement .
Roll back the shift lever seal from the upper and the lower shrouds.
Remove the tilt wheel lever (if necessary). Refer to Tilt Lever Replacement - On Vehicle .
Remove the 2 TORX® screws from the lower steering column shroud.
Remove the lower steering column shroud.
Remove the 2 TORX® screws from the upper steering column shroud.
Lift the upper steering column shroud to gain access to the lock cylinder access hole.
Using a bent tip awl, insert the tip into the ignition lock cylinder access hole.
Turn the ignition lock cylinder to the START position.
Using the bent tip awl, push down on the ignition lock cylinder retaining pin.
Release the ignition lock cylinder to the RUN position.
Remove the ignition lock cylinder from the lock module assembly by pulling the ignition lock cylinder away from the steering column.
If you need to remove the ignition on a chevrolet silverado then just follow the instructions below. You will also need the following tool unless you can make something similar. The tool is: J 42759 ignition switch connector release tool.
IMPORTANT AS YOUR TAKING THE LOCK OUT OF THE HOUSING MAKE SURE YOU KNOW WHERE THE GEARS ARE LINED UP WRITE IT DOWN OR TAKE PICTURE FOR FUTURE REFERENCE AS YOU NEED TO KNOW THIS TO GET IT BACK TOGETHER.
1. disconect the negative battery lead 2. disable the SIR system Zone 3( you will need to check how to do this as it varies from each year of production. 3. remove the hush and knee bolster (instrument gauges and console) ( you may find away around doing the work above but just take your time ok) 4. remove the steering column trim covers 5. with the key in ignition turn the key to the RUN possition 6. install an allen wrench into the hole on top if the lock cylinder. Push down onto the wrench to release the tab on the lock cylinder inside the cylinder housing 7. slide the lock cylinder out of the cylinder housing. 8. disconnect the passlock and key buzzer from the lock cylinder housing 9. insert tool J 42759 into the lock cylinder housing to release the tabs on the ignition switch. 10. pull the ignition switch out of the lock cylinder housing. 11. disconnect the connector from the ignition switch.
Now for the installation procedure. To install the ignition then follow the instructions below:
1. the gears between the ignition switch and the lock cylinder must be in the correct position, failure to do this will cause the gears to be out of line in the ignition switch and lock cylinder housing witch would result in a no start of engine or even drain the battery, so make sure you get this part right. 2. you need to make sure the gears are lined up correctly if not it wont work correctly if it is wrong you need to turn the gear in the ignition switch until it is in the correct possition 3. use a screwdriver to rotate the lock cylinder housing gear counter clockwise until it hits a stop. 4. connect the ignition switch connector 5. insert the ignition switch into the lock cylinder housing, the tabs on the ignition switch must be lined up correctly in the lock cylinder, make sure this is correct. 6. use a screwdriver to rotate the lock cylinder housing gear clockwise to the start position - allowing it to spring return on its own into the run position, if it dont do this then the chances are you have the lock in the housing the wrong way or gears not set correct. 7. align the lock cylinder and then install the lock cylinder into the lock cylinder housing. 8. connect the pass lock and key buzzer into the lock housing. 9. install the steering column trim covers. 10 install the hush and knee bolster. 11 enable the SIR system 12 connect the negative battery cable 13 try the ignition and make sure it works as it should do
If you are unsure of what is being talked about above then you should either leave this job to a pro or go and get a workshop manual as getting this wrong could result in the car not starting or the battery being drained, either way it would mean you have to do the work all over again
What most people refer to as the "Ignition switch" is really the "cylinder lock", that when turned with the key, operates the actual "ignition switch".
The switch causing your problem is inside the steering column, and the column needs to be at least partly disassembled to access it.
DONT REMOVE POSITIVE BATTERY CABLE FIRST YOU WILL SHORT OUT THE PCM AND THE ALTERNATOR.IN CASE YOU CANT TURN OFF CAR ONE TIME DEAL DISCONNECT NEGATIVE BATTERY FIRST. BUT FIRST TURN OFF RADIO BEFORE REMOVING BATTERY CABLE.YOU NEED TO FIX IGNITION SWITCH LOCK CYLINDER DONT KEEP DISCONNECTING BATTERY WHILE ENGINE RUNNING BECAUSE YOU WILL DAMAGE PCM.AND SHORT OUT ALTERNATOR VOLTAGE REGULATOR.
Replace the cylinder lock mechanism. The key will have to be turned on to do that. Disconnect the battery first. Often there is a tiny hole on the column next to the cylinder. You will need to push a paper clip (or something like that in size) into the hole to release the lock mechanism.
you will need new ignition lock the part in the lock is worn out if you take it out it my not start than keep the key in car until you get if fixed disconect battery overnight so it dont drain the battery