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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

ignition key gets caught, doesn't turn.

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Old Yesterday | 06:44 PM
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mOROTBREATH's Avatar
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ignition key gets caught, doesn't turn.

A couple weeks ago when trying to start my truck for the 14th time that day, the key all of the sudden didn't want to turn right, if I fidgeted with it for a sec it might go once but not twice in a row.

Sprayed with lube and didn't help. Used a new spare key I had and it didn't help.

So do I need to replace just the inside lock tumbler or the whole switch assy?
Thank you.
 
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Old Yesterday | 06:49 PM
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You should just need to change the lock tumbler. The key switch works when you fiddle around and get it to turn?
 
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Old Yesterday | 06:57 PM
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It probably could be saved with a disassembly and a cleaning/replacement/renewal of the tumbler internals such as pins and springs.
 
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Old Yesterday | 07:12 PM
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Originally Posted by Brian1950F4
You should just need to change the lock tumbler. The key switch works when you fiddle around and get it to turn?
Yes it does work when it finally allows itself to turn.


Other brian, How hard is it to disassemble?
 
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Old Yesterday | 07:51 PM
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I had that problem with my 55 what I did as a temporary fix was take the lock cylinder out and removed all but 1 of the brass tumblers, that was over a year ago.
It proves the saying that there is nothing more permanent than a temporary fix that works.
First I removed all of the tumblers but discovered that the key would just fall out of the ignition so I put 1 back in

Afte thinking about the fact that anyone who had the slightest clue what they were doing could start my truck in 15 seconds with a couple alligator clip jumpers
I decided I was just leaving it as is. I am just relying on the no exterior door handles, unmarked Hurst shifter T handle, starter push button and clutch pedal for security
 

Last edited by lshort; Yesterday at 07:57 PM.
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Old Yesterday | 08:16 PM
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I haven't disassembled a 1956 one to give any further specifics.
 
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