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High-pitch Squealing Sound from Front

  • Thread starter Thread starter natejelovich
  • Start date Start date
Be sure the hole the needle pin comes thru is real clean and also down by the end the cable joins to. Get them real clean with some cleaner spray and then some air to flush the areas good.

Just a GENTLE dab of cleaner and keep the face from getting anything on it.. If you have already buttoned it up..then I guess I am too late.
 
Have you cleaned and relubed the speedo gear drive at the wheel?

If you look in the hole the cable goes in, youll see there is a "redish-brown plate" with 4 little squares in it at even intervals. That "plate" unscrews and allows you to remove that lower worm gear. I used a set of split ring pliers pointed tips to unscrew mine.

Next, you can gently go around the rubber seal over the big worm gear and pry it out and remove the bigger upper gear.

Now you can clean the grit out of the entire housing and the gears, relube, and reassemble.
 
Unfortunately it is all back together... but my fault for not thinking of that...

The sound definitely sounds like it's coming from the speedo itself, but will for sure clean out the gear box at the wheel as well (that might help the jumping at least). Thanks for the how to info!
 
Yes...the jumping is what I was focused on. And note that the metal plate that is between the wheel and the speedo drive ( with the 2 tabs that go into the wheel hub ) should be FLAT and not have the tabs bent backwards . Its an indication that the axle bolt at some point had been OVER tightened. If that metal interfacing plate isnt flat it can momentarily grab as its trying to turn...thus it "snaps free" as it passes the binding point..which makes the cable twitch..which transfers all the way up to the speedo. Sort of a follow the path kind of reaction going on. Follow this explanation?
 
SIMPLE fix turn the speedo cluster upside down. Pour a few drops of trans fluid into the connector let it soak in.
 
Lynn..he just opened it up and relubed it. I was thinking that where the speedo "flywheel" looking thing passes around inside that metal hood deal, there may be an ever so slight rubbing that is making it hum.

Sorry I dont know the "technical" names of the parts, but if youve had one open youll know what I mean.
 
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