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Old 05-20-2011, 03:12 PM   #1
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Speedometer stopped working!

I was driving down the highway and my Speedometer stopped working, the fitting on the trans for the speedo gear is fine, where does it go from there?

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Old 05-20-2011, 05:52 PM   #2
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I was driving down the highway and my Speedometer stopped working, the fitting on the trans for the speedo gear is fine, where does it go from there?
at times all my gauges go dead..I just hit the top of the dash and they come back. I had a cj before this so I just thought that was part of owning a jeep

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Old 05-20-2011, 05:59 PM   #3
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Mechanical or electric?

Mechanical, it goes to the speedo.

Electric goes to the computer to the instrument cluster.

And 98wrangertj is right, the connector at the back of the cluster is a known fault sometimes. Wiggles loose or evil corrosion on the terminals.
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Old 05-20-2011, 07:49 PM   #4
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If it's all the guages, slap the dash, mine does it all the time. if it's just the speedo, would need to know if it's electric or cable.
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Old 05-21-2011, 03:07 AM   #5
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Ok, possibly related, but when I go from anything to drive (automatic) it takes a little longer to engage and kinda klunks into gear (like if you hit the gas before it fully engaged) my buddy thinks these 2 things have something to do with the t-case and should get it looked at ASAP.
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Old 05-21-2011, 06:46 AM   #6
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Lot of things it could be. worn/broken mounts, allowing the T/case or trans to move before locking up. Trans problem with delayed engagement, slop in T case chain, worn U joints.

Going from anything to drive makes the torque go from one direction to the other in the drive train.

If you trust your bud, get under the jeep and have him work it through the gears, see if something is flopping around underneath as it torques in different directions.
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Old 05-21-2011, 12:09 PM   #7
Knows a couple things...

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Ok, possibly related, but when I go from anything to drive (automatic) it takes a little longer to engage and kinda klunks into gear (like if you hit the gas before it fully engaged) my buddy thinks these 2 things have something to do with the t-case and should get it looked at ASAP.
Has the speedometer gear ever been replaced to recalibrate it for bigger tires? If so, the speedometer gear housing probably just wasn't rotated far enough so the new gear is firmly engaging the pinion gear underneath.

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