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Ignition tumbler question 300TDT
Last week I got the dreaded ignition unit sunset fate. After about an hour of
fiddling, the tumbler unlocked and the car roared into life, and when I reached home I parked in the street to keep the drive way free. I turned the engine off and remembered to leave the key in the Acc. position. Next morning I could not start the car to bring it into the garage to work on. So I continued to remove the tumbler in the blistering sun. That was easy after I had read the ample advice on this forum. I did not hit any snags until then. Armed with a suitable prepared paper clip lodged in the hole of the tumbler the woodruff key underneath the cap dropped down and the cap spun out easily. With the tumbler in my hand the key turned effortlessly in all positions. So I realized that the problem must be in the steering lock. With the tumbler removed, the steering lock is retracted, and from the tips on this forum I was able to depress a pea sized button on the side of barrel of the lock to withdraw the lock assembly from the vehicle. (Before that I had to disconnect the large electrical plug from the rear and the two shut off vacuum hoses on the side of the lock). With the assembly out, I reassembled the tumbler after cleaning and adding graphite powder to all moving parts. The unit worked fine. Now comes the fun part. I worked the woodruff key on the tumbler several times before assembly and it was fine. So I assembled the lock with the cap one final time. Before I could finally align the cap marks, the famous paper clip fell off and the woodruff key snapped in and locked the cover. After that the steering lock would not retract with the key. I had to depress the part sticking out of the barrel a little bit to turn the tumbler. I thought, not a problem. I shall reopen the cap. So, I proceeded to uncap the tumbler using the paper clip, but the woodruff key would not release. To use the unit as is, I have kept the pea sized button on the side of the barrel depressed with tape, with the steering wheel lock in the retracted position. Now I can use the unit without the steering wheel locked. I dread the day the tumbler malfunctions. Does anyone know if the woodruff key operates only when the cap is in its home position. I have tried several size paper clips, but to no avail. Any other ideas to spin the cap off? Did I do some thing wrong? Hopping for some good news. Mariano 1984 300tdt |
#2
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I have not read any one with our particular problem.
In my own case with the pea shaped button I depressed it hosed it off with brake cleaner and when the brake cleaner had all evaporated I used JB Weld Epoxy and filled that area in and wrapped tape around it to so the epoxy would form to the contour. In theory my Steering Colum will never lock again. It also relieves a lot of spring tension when you turn the key because one of the springs is depressed.
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84 300D, 82 Volvo 244Gl Diesel |
#3
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Quote:
You did not say you inspected the inside of the Steering Colum Lock. I found stuff broken inside of mine and that broken stuff is what was causing the Lock Tumbler Symptoms.
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84 300D, 82 Volvo 244Gl Diesel |
#4
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Many thanks Diesel911.
When the cap locked on me, I was able to turn the tumbler to the ACC position with the key by depressing the end sticking out of the barrel. Despite that I could not unlatch the cap with the paper clip. As you indicated, I was going to unassembled the lock part to see why it was not operating with the key. Maybe broken parts inside. However I was able to push on the end easily to get the key to turn the tumbler to start. Mariano |
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I also have a 1984. It has an anti-theft feature that unless the key is in a certain position you cannot remove the Electrical Connector at the bottom of the Steering Colum Lock.
In the picture there is a red circle and the white part locks the Electrical Connector into the housing. You might see if you can find a source of a new or used Steering Colum Lock.
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84 300D, 82 Volvo 244Gl Diesel |
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Many thanks for the picture.
As of now, I am able to retract the electrical connector from the rear. I have done exactly what you have done with your lock-- kept the pea like button depressed with JB weld. So now I can take the whole ignition lock out minus the connector. I can get the key to the ACC position, but whatever I do I cannot release the woodruff key on the tumbler to spin out the cover. At present I can start the vehicle but not lock the steering. In future, if the tumbler fails, I shall have to replace the whole unit and jump start the vehicle until then. I note that someone on this forum had a similar problem. I do not know if he resolved it using a trick. Mariano |
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
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Quote:
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84 300D, 82 Volvo 244Gl Diesel |
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