C6 Gear Linkage
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Senior User
Joined: Jul 2014
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From: London,UK
C6 Gear Linkage
Guys, I think I need to adjust my gear linkage a tad (on my 69 F-100 with 390/C6) because the gear position indicator is always to the right of the relevant letter (P,R, D etc) and when in Reverse the back-up lights only come on if I hold the lever over to the left.
I've searched on how to do this adjustment, but have heard mention of adjusting the threaded rod, which i can see under the brake booster, but I've also heard about adjusting a slider bolt, which i can't see. Would be grateful if someone could point me in the right direction. Thanks.
I've searched on how to do this adjustment, but have heard mention of adjusting the threaded rod, which i can see under the brake booster, but I've also heard about adjusting a slider bolt, which i can't see. Would be grateful if someone could point me in the right direction. Thanks.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
What you're experiencing is a common problem on these trucks, that usually cannot be solved by an adjustment.
A tab on the shift lever fits up against an insert (aka detent aka shift gate) that is bolted to the bottom of the upper flange.
Over time, the individual gates on the insert wear down, so the shift indicator no longer lines up properly. The other problem is, the shift lever can pop out of Park into Reverse. Not Pleasant!
Here's a pic of the steering column, the insert is illustrated under basic part number 7A216
Its individual gates are located on its right side in the pic (which may be hard to make out unless you have a large screen).
If you decide to replace the insert (it's obsolete), there were two different versions used in 1969. To discover which is correct, I need the last 6 digits of your trucks VIN
A tab on the shift lever fits up against an insert (aka detent aka shift gate) that is bolted to the bottom of the upper flange.
Over time, the individual gates on the insert wear down, so the shift indicator no longer lines up properly. The other problem is, the shift lever can pop out of Park into Reverse. Not Pleasant!
Here's a pic of the steering column, the insert is illustrated under basic part number 7A216
Its individual gates are located on its right side in the pic (which may be hard to make out unless you have a large screen).
If you decide to replace the insert (it's obsolete), there were two different versions used in 1969. To discover which is correct, I need the last 6 digits of your trucks VIN
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Senior User
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From: London,UK
Hi, thanks for the info and it has indeed popped out of Park a couple of times.....gave me quite a scare! I'm now extra careful to push the lever all the way over and then up to make sure it is as fully into the Park position as it can go.
The VIN is F10HCE40215 and if it's not too tough a job and I can find one, I will replace that part.
The VIN is F10HCE40215 and if it's not too tough a job and I can find one, I will replace that part.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Hi, thanks for the info and it has indeed popped out of Park a couple of times.....gave me quite a scare! I'm now extra careful to push the lever all the way over and then up to make sure it is as fully into the Park position as it can go.
The VIN is F10HCE40215 and if it's not too tough a job and I can find one, I will replace that part.
The VIN is F10HCE40215 and if it's not too tough a job and I can find one, I will replace that part.
1969 F100/350 360/390 C6 from serial number D96,001 / 1970/71 F100/350 360/390 C6
Don't know if either of the following sources will ship "across the pond."
NOS ONLY in San Jose CA has 1 = 800-667-6659.
This toll free phone number (won't work across the pond) is the only contact information listed. Go to rearcounter.com .. type in the part number, then you can send them an email.
HIGH BUCK! BOB ALLEN FORD in Overland Park KS has 3 = 913-381-3000 (boballenford.com).
This dealer is a snake, wants MEGA BUCKS for obsolete parts! I know the pound is worth more than a buck, but...
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Senior User
Joined: Jul 2014
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From: London,UK
Thanks for the links, I'll phone NOS ONLY on Monday. Is this part tricky to replace? I've never messed around with steering columns before and from looking at the picture you posted it seems there are plenty of other connected parts so I'm thinking that could make it tricky.
Trust me, that part will cost me more in total than it would you....even though the pound is strong against the dollar I will also have an insane shipping fee and then tax to pay when it enters the UK.....it's always a painful experience!
Also, although it's highly likely it is that part causing the issues, I'd like to try the linkage adjustment just for my own piece of mind and to see if I can get any improvement. But, what/where is the adjustment I need to make?
Trust me, that part will cost me more in total than it would you....even though the pound is strong against the dollar I will also have an insane shipping fee and then tax to pay when it enters the UK.....it's always a painful experience!
Also, although it's highly likely it is that part causing the issues, I'd like to try the linkage adjustment just for my own piece of mind and to see if I can get any improvement. But, what/where is the adjustment I need to make?
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