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Posted: Sun Aug 13, 2006 12:02 am Post subject: '79- speedo "chirping" noise- suggestions?
My '79 Royal Knight with cruise control has a speedometer issue. The speedo makes a very noticeable and annoying chirping or rubbing sound that gets quicker as road speed increases. It gets quiet occasionally at highway speeds, and is noisier in cold weather. Before I dive in again and take the dash apart to look for causes, has anyone else absolutely found the cause? To me, it seems to be coming from inside the speedometer gauge itself, I don't think it's the cable. I've gotten used to turning up the stereo a bit, but others going for a ride hear it and ask, "what's that noise?". I really want to solve this for good, and I posted here a while ago and thought I'd try again.
Necoa #: 572
Location: 10(IL,MN,WI)
Joined: Jan 28, 2003
Posts: 3629
Year: 1984
Model: El Camino
Posted: Sun Aug 13, 2006 8:43 am Post subject:
87ElCamino wrote:
Sounds like the speedo cable needs to be lubricated.
Ernie's probably right on the money...or else you have a lil birdy living behind your gauge cluster! The gauge cluster is not hard to remove, take it out, disconnect the speedo cable and try liberally spraying inside the cable with some WD-40 (with the tube provided) to see if that'll stop it.
Necoa #: 7439
Location: 4(MD,VA)
Joined: May 07, 2006
Posts: 685
Year: 1967
Model: El Camino
Posted: Sun Aug 13, 2006 8:15 pm Post subject:
I've had the same problem with speedometer cables in the past. I never had a lot of luck on lubricating them. I usually wound up getting a whole new cable. I'd give the lube a shot first as it's a lot cheaper. _________________
On the plains of hesitation, bleach the bones of countless millions who on the threshold of victory sat down to wait and waiting they died.
Necoa #: 6708
Location: 17(S.CA,S.NV)
Joined: Jan 10, 2006
Posts: 284
Year: 1987
Model: El Camino
Posted: Mon Aug 21, 2006 12:31 pm Post subject:
I had the same problem in my '80 Elco. I ended up just replacing the speedo cable with a new one because I didn't want to have to tear apart the dash a second time.
I have in the past used spray lithium grease on a couple different vehicles. It comes with a spray tube that you can poke down the speedo cable, and is thicker than WD-40, so it might get you better results.
mine was doing the same thing then just stoped working altogether. _________________ 82 El Camino
85 K5 blazer
95 Mitsubishi mighty max
94 mighty max
88 mighty max
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