clicking sound - The 1947 - Present Chevrolet & GMC Truck Message Board Network

old_truck1969 · 11-22-2001, 11:31 PM

I have an annoying problem in my 86 GMC. It sounds like the clicking is coming from under the dash. The quicker i go, the faster the clicking is. I've looked under the truck and nothing seems to be rubbing. Someone told me that it could be the speedometer cable. If so, is this a big job to replace?

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69 GMC 3/4 ton camper special(long term project)
86 GMC 3/4 ton (daily driver)

powermad · 11-23-2001, 04:00 PM

That sounds just like what the cable in my 81 Burb was doing.
Easy fix it, took me about 10 minutes.
There is a clip on the speedo, just pull it out a bit and the cable comes right out.
then pull it through the fire wall and follow it to either the tranny or the cruise control on the fender if you have it.

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Longhorn Man · 11-24-2001, 02:32 PM

When you go to get the new cable, have the old one in had. You'll need to match up the size, and the end fitting. It IS a simple job too.

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The hot rod;
a'69 G.M.C. Short/Fleet. 350 W/a heluva cam and nice stance. Still a beater though. Trying to clean up the left over damage from the Dope-Smokin-Old-Man...a real bummer. See it at http://geocities.com/andys_69_gmc/

I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. Check out my Longhorn site at http://geocities.com/MotorCity/Flats/8752/
IM me on Yahoo pager...cockroach93.
hey, stop laughing!!!

Rabid · 11-26-2001, 08:20 PM

piece of cake job. However, just like longhorn said ensure you get the right length cable. When in doubt, longer will work versus shorter. Nothing worse then routing that speedo cable thru all that mess and coming up an inch short. lol

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72 C-10 Custom Deluxe UNITED STATES ARMY - ALASKA

People may not remember exactly what you did, or what you said, but they will always remember how you made them feel.

gchemist · 11-27-2001, 08:53 AM

You can buy the two piece set or the single long one piece. Buy the one piece. Before you install is remove the center cable that turns and add a light coat of oil or grease. The cable comes greased already but I don't think its enough.

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Gerardo
1983 Custom Truck
TX Plates: "BAD BOW"
http://www.geocities.com/abetterchemist/

11-22-2001, 11:31 PM	#1
old_truck1969 Registered User Join Date: Mar 2001 Location: Thunder Bay, Ontario, Canada Posts: 202	clicking sound I have an annoying problem in my 86 GMC. It sounds like the clicking is coming from under the dash. The quicker i go, the faster the clicking is. I've looked under the truck and nothing seems to be rubbing. Someone told me that it could be the speedometer cable. If so, is this a big job to replace? ------------------ 69 GMC 3/4 ton camper special(long term project) 86 GMC 3/4 ton (daily driver) __________________ "All Corvettes are red. The rest are mistakes." - John Heinricy

11-23-2001, 04:00 PM	#2
powermad Hillbilly Hotrod Join Date: Nov 2001 Location: Oregon Posts: 69	That sounds just like what the cable in my 81 Burb was doing. Easy fix it, took me about 10 minutes. There is a clip on the speedo, just pull it out a bit and the cable comes right out. then pull it through the fire wall and follow it to either the tranny or the cruise control on the fender if you have it. ------------------ __________________ 69 K5, .060 over 350/465/205.

11-27-2001, 08:53 AM	#5
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	You can buy the two piece set or the single long one piece. Buy the one piece. Before you install is remove the center cable that turns and add a light coat of oil or grease. The cable comes greased already but I don't think its enough. ------------------ Gerardo 1983 Custom Truck TX Plates: "BAD BOW" http://www.geocities.com/abetterchemist/ __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

11-24-2001, 02:32 PM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	When you go to get the new cable, have the old one in had. You'll need to match up the size, and the end fitting. It IS a simple job too. ------------------ The hot rod; a'69 G.M.C. Short/Fleet. 350 W/a heluva cam and nice stance. Still a beater though. Trying to clean up the left over damage from the Dope-Smokin-Old-Man...a real bummer. See it at http://geocities.com/andys_69_gmc/ I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. Check out my Longhorn site at http://geocities.com/MotorCity/Flats/8752/ IM me on Yahoo pager...cockroach93. hey, stop laughing!!!

11-26-2001, 08:20 PM	#4
Rabid Registered User Join Date: May 2001 Location: Honolulu, HI Posts: 1,237	piece of cake job. However, just like longhorn said ensure you get the right length cable. When in doubt, longer will work versus shorter. Nothing worse then routing that speedo cable thru all that mess and coming up an inch short. lol ------------------ 72 C-10 Custom Deluxe UNITED STATES ARMY - ALASKA People may not remember exactly what you did, or what you said, but they will always remember how you made them feel.



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