Speedometer jumping and squealing - Team Camaro Tech
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post #1 of 9 (permalink) Old Apr 12th, 01, 08:34 AM Thread Starter
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Joe
 
Join Date: Jan 2001
Location: Benicia CA
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Angry

I did a search and know what I have to do, but just wanted to vent!

I just re-installed the dash carrier in my 69. Took it apart to cleanup some stuff and repaint the chrome. (Had the car down for radiator/fan/pump replacecent)

When I went for a drive the speedo started chirping and the needle started bouncing. It got rapidly worse and louder until the speedo wrapped itself past 120 mph all the way around to 10 mph. All this in just a couple of miles (I was doing maybe 50 mph).

I stopped and diconnected it for fear of doing damage.

My question is why it started doing this? It worked flawlessly before I disconnected/reconnected it. I didn't change the routing or anything. Could I have somehow damaged it by not touching it?

I'm going down to get some lube and try that, but it's just frustrating.

On top of this, the fan belt came off and when it got hot it blew off the upper new raditor hose! I'm getting pretty good at washing the coolant off the car!!

Thanks for listening.

Joe

------------------
69 396 w/SS Trim, B&M TH400, 3.55 12 Bolt Posi, Blue w/White Z28 Stripes, Chrome Rally Wheels
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post #2 of 9 (permalink) Old Apr 12th, 01, 09:44 AM
 
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Sounds like your having a pretty good time man. Sometimes these cars can be so frustrating, but if it were easy, then everyone would do it.
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post #3 of 9 (permalink) Old Apr 12th, 01, 01:36 PM
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i have had this happen because the speedo cable was mounted too fare into the speedo, also if you had the dash apart you might have gotten a little water into the cable and got some corrision and it is causing this.

this happended to me on a '74 3/4ton P/U, i had to play with how far the speedo cable went into the speedo to get it right.
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post #4 of 9 (permalink) Old Apr 12th, 01, 05:15 PM
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I put some spray lube down the tube and it worked out the squeaking
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post #5 of 9 (permalink) Old Apr 12th, 01, 06:06 PM Thread Starter
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Joe
 
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Wink

I got some cable lube today and lubed it up. Only drove it around the block but it seemed OK. The cable was in good shape and very clean. Almost hated to put the lube in there.

Figured out why the hose came off. There isn't enough "lip" on the nozzle to hold the hose. I just ran it to get it hot and the upper hose was sliding off. It slid ~ 1/2 inch even with the hose clamp as tight as it would go. Guess these repo radiators aren't all they should be!

I modified the nozzle a bit. Don't think it will be an issue now.

Thanks for listening!

Joe

------------------
69 396 w/SS Trim, B&M TH400, 3.55 12 Bolt Posi, Blue w/White Z28 Stripes, Chrome Rally Wheels
[email protected]
69 Pics http://albums.photopoint.com/j/Album...559&a=11674961

[This message has been edited by Joe G (edited 04-12-2001).]
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post #6 of 9 (permalink) Old Apr 13th, 01, 06:35 PM Thread Starter
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Joe
 
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Exclamation

Well the cable doesn't jump or squeal now but the speedo is reading a lot higher than before. Reads about 10% higher than before.

Could I have damaged something when it was jumping around? It wrapped itself around back past zero before I stopped and disconnected it the first time. Could I have "sprung" something in the speedo?

Thanks.

Joe

------------------
69 396 w/SS Trim
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69 Pics http://albums.photopoint.com/j/Album...559&a=11674961
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post #7 of 9 (permalink) Old Apr 15th, 01, 10:14 PM Thread Starter
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post #8 of 9 (permalink) Old Apr 16th, 01, 05:12 AM
DjD
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Joe,

I suspect it's working properly now where as before it was dragging and not reading true...

------------------
...Dennis
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'96 Z28SS #1679 of 2410
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post #9 of 9 (permalink) Old Apr 16th, 01, 06:03 PM Thread Starter
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Joe
 
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Exclamation

Thanks Dennis, but it was very smooth before (still read high--need to change speedo gear). Now, after it started jumoing around, it reads really high; like 85 mph and I'm barely keeping up with 60 mph traffic.

It's still wandering around a bit as well. It's not jumping, but just wandering.
I'm wondering if I broke or tweaked something when it pegged itself.

Everything else I've "fixed" has problems now, so this doesn't surprise me!

Joe

------------------
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