Finding Correct Speedo Gear
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 755
Likes: 3
From: Rockport MA
Finding Correct Speedo Gear
So I was trying to Follow Garys lead on this thread:
https://www.ford-trucks.com/forums/1...nion-gear.html
But I couldn't find my original tire listed in the master parts catalog, all the listings were for 16.5 not 16's
These are for the 4.10 out of the parts catalog
Still Running 235/85/R16's
Heres my sticker
So I got the original tires, I got a 4.10 rear ratio, and a T-19 4-speed warner transmission. Should be pretty easy, but we all know how that goes.
Thanks Again,
Devin
https://www.ford-trucks.com/forums/1...nion-gear.html
But I couldn't find my original tire listed in the master parts catalog, all the listings were for 16.5 not 16's
These are for the 4.10 out of the parts catalog
Still Running 235/85/R16's
Heres my sticker
So I got the original tires, I got a 4.10 rear ratio, and a T-19 4-speed warner transmission. Should be pretty easy, but we all know how that goes.
Thanks Again,
Devin
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 755
Likes: 3
From: Rockport MA
Nevermind, I took it apart, and it was kind of a pink, and It seemed to be in fine condition, I spun it with my drill and worked great, although I had to spin the drill counter-clockwise to get it to spin, is this right?
Devin
Devin
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 755
Likes: 3
From: Rockport MA
Yes I did answer my own question, and yes I figured out the counter clockwise bit.
The bad is that after hooking back up I still have no speedo
Anyway according to what I have read, the drive gear is the next step?
How do I find a part number on that ? is it actually called drive gear?
Devin
The bad is that after hooking back up I still have no speedo
Anyway according to what I have read, the drive gear is the next step?
How do I find a part number on that ? is it actually called drive gear?
Devin
Fleet Mechanic
Joined: Jul 2011
Posts: 1,916
Likes: 4
Three places to focus on. The gear that's in the transmission or transfer case, the gear that's on the end of the speedometer cable, and the gears inside of the instrument cluster.
If you pull the cable and gear out, you should be able to look in and see the gear inside the transfer case or transmission that drives the cable. This is the drive gear. The gear on the end of the cable is the driven gear. Then you've got the speedometer gears in the cluster.
If the gear on the cable and in the hole looks good, then you might want to check out the gears in the instrument cluster.
If you pull the cable and gear out, you should be able to look in and see the gear inside the transfer case or transmission that drives the cable. This is the drive gear. The gear on the end of the cable is the driven gear. Then you've got the speedometer gears in the cluster.
If the gear on the cable and in the hole looks good, then you might want to check out the gears in the instrument cluster.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
The drive gear rarely goes bad, and changing it isn't easy. You should be able to see it through the hole the driven gear goes through.
Did the speedo work originally and quit? Or, was it not working when you bought the truck? If the latter, you may have the wrong speedo gear, as in one for another typ of transmission. Are there any numbers on it?
Did the speedo work originally and quit? Or, was it not working when you bought the truck? If the latter, you may have the wrong speedo gear, as in one for another typ of transmission. Are there any numbers on it?
Fleet Mechanic
Joined: Jul 2011
Posts: 1,916
Likes: 4
IIRC, he said the speedometer jumps a lot when he's driving. In which case, the cable may be defective.
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Laughing Gas
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From: Rockport MA
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Thread Starter
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Laughing Gas
Joined: Oct 2012
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From: Rockport MA
nope no movement at all while driving
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 755
Likes: 3
From: Rockport MA
actually according by what I gave you can you post the correct part number and color?
I will order one tonight if needed, I need a few things from rockauto anyway, Ill see if they have it
I will order one tonight if needed, I need a few things from rockauto anyway, Ill see if they have it
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
I know one guy that tried a speedo gear out of a 4-speed manual tranny in his C6. It chewed the gear up as it was too long. So, it would stand to reason that the wrong gear could be too short and not even engage the drive gear.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Ok, I'll go back and see what tires and tranny you have. I remember 4.11's - right?
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 755
Likes: 3
From: Rockport MA
Transmission code - P = T-19
Also let me know how you find it, I would like to be able to do it on my own, hate to bother people over simple stuff and seem needy and lazy
Devin
Also let me know how you find it, I would like to be able to do it on my own, hate to bother people over simple stuff and seem needy and lazy
Devin
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
So I was trying to Follow Garys lead on this thread:
https://www.ford-trucks.com/forums/1...nion-gear.html
But I couldn't find my original tire listed in the master parts catalog, all the listings were for 16.5 not 16's
These are for the 4.10 out of the parts catalog
Still Running 235/85/R16's
Heres my sticker
So I got the original tires, I got a 4.10 rear ratio, and a T-19 4-speed warner transmission. Should be pretty easy, but we all know how that goes.
Thanks Again,
Devin
https://www.ford-trucks.com/forums/1...nion-gear.html
But I couldn't find my original tire listed in the master parts catalog, all the listings were for 16.5 not 16's
These are for the 4.10 out of the parts catalog
Still Running 235/85/R16's
Heres my sticker
So I got the original tires, I got a 4.10 rear ratio, and a T-19 4-speed warner transmission. Should be pretty easy, but we all know how that goes.
Thanks Again,
Devin