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05-13-2009, 12:59 AM
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#1
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Registered User
Join Date: May 2008
Location: Locust Grove, GA
Posts: 1,461
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What's up with this? When I first get into my CJ and start to drive, my speedo is only about 7MPH slow at 55. As I continue to drive the speedometer starts to decline in speed (to around 20MPH), and stays there for the duration for the trip. I have a Dana 20 and I have installed a new speedo cable too. What do you think may be causing this problem? Thanks
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
12,000lb Warn Winch, Dirtworx front and rear bumpers.
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05-13-2009, 03:25 AM
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#2
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Registered User
Join Date: Feb 2009
Location: Germany
Posts: 24
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Yepp! got the same problem!
Remove the speedo cable again. Hold it upright in front of you . Then use WD40 something equal and fill it up till the liquid drops out at the rear end.
Install it again. That's what i did and it worked good for me. Speedo runs like back in the 70's.
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05-13-2009, 03:39 AM
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#3
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Registered User
Join Date: May 2008
Location: Locust Grove, GA
Posts: 1,461
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OK, I'll try that. Thanks!
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
12,000lb Warn Winch, Dirtworx front and rear bumpers.
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05-13-2009, 05:11 AM
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#4
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Registered User
Join Date: Nov 2007
Location: Off the Grid in Chester Grant, Nova Scotia, Canada
Posts: 9,208
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I sure wouldn't wash all the grease off with a solvent like WD40.... the grease it came with won't slow down the cable if the cable is connected at both ends, no way.
Are you sure you got the right cable? Are you sure you got the broken off stub that was left in the t-case end?
I have heard of your problem when the broken off end was still in there or with too short a cable.
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Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10. Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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05-13-2009, 05:18 AM
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#5
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Registered User
Join Date: May 2008
Location: Locust Grove, GA
Posts: 1,461
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Quote:
Originally Posted by Mike Romain
I sure wouldn't wash all the grease off with a solvent like WD40.... the grease it came with won't slow down the cable if the cable is connected at both ends, no way.
Are you sure you got the right cable? Are you sure you got the broken off stub that was left in the t-case end?
I have heard of your problem when the broken off end was still in there or with too short a cable.
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I'm not sure if anything was still in the xfer case before I put the new speedo cable on. My Jeep did not have a cable hooked up to it when I bought it, so it is possible that there may be something stuck in the gear. I'll take a look at it this weekend. Oh yea Mike, I do have the correct cable. It's for an Dana 20 with a standard transmission. Thanks for the help.
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
12,000lb Warn Winch, Dirtworx front and rear bumpers.
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Weird Speedo Problem
