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Speedometer question #173075
12/22/08 09:14 PM
12/22/08 09:14 PM
Joined: Feb 2006
Posts: 4,102
Cochise County Arizona
SPWC Offline OP
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SPWC  Offline OP
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Joined: Feb 2006
Posts: 4,102
Cochise County Arizona
My 72 Swinger hasnt been run since 1995. I finally got it running today after messing with it for almost a month.

I have the car up on jackstands and when the car is idleing in neutral the speedo needle wants to jump around.

Is this a speedo cable lube issue or is it an issue of the the speedo head needing lubrication.What else could be causing the needle to jump around like that in neutral? The transmission is a 3 speed manual(Column shift)

Re: Speedometer question [Re: SPWC] #173076
12/22/08 09:47 PM
12/22/08 09:47 PM
Joined: Jan 2003
Posts: 32,924
Grand Prairie,Texas
stumpy Offline
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stumpy  Offline
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Posts: 32,924
Grand Prairie,Texas
Pull the cable core and clean and lube it. That should fix your problem.

Re: Speedometer question [Re: stumpy] #173077
12/22/08 09:51 PM
12/22/08 09:51 PM
Joined: Nov 2004
Posts: 9,312
SoCal
68HemiB Offline
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68HemiB  Offline
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Posts: 9,312
SoCal
Quote:

Pull the cable core and clean and lube it. That should fix your problem.






The jumping needle is a lube issue.

The fact that the speedo is trying to register at all is because the output shaft (and rear tires) are turning a bit.


Down to just a blue car now.
Re: Speedometer question [Re: 68HemiB] #173078
12/23/08 11:57 AM
12/23/08 11:57 AM
Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74 Offline
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NachoRT74  Offline
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Valencia, España
yeap... torque converter inertia with tranny makes to spin a little bit the wheels even in Neutral when rear is on jackstands. Then the speedo will read that.

That does happen specially with tight Low Stall converters


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: Speedometer question [Re: NachoRT74] #173079
12/23/08 12:02 PM
12/23/08 12:02 PM
Joined: Feb 2006
Posts: 4,102
Cochise County Arizona
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SPWC  Offline OP
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Posts: 4,102
Cochise County Arizona
So is it the same with Manual(Non Automatic) transmissions? I suppose it would be fronm the input shaft spinning

Re: Speedometer question [Re: SPWC] #173080
12/23/08 03:54 PM
12/23/08 03:54 PM
Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74 Offline
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NachoRT74  Offline
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Posts: 6,095
Valencia, España
ooops, I didn't take care about was MANUAL LOL...

PROBABLY the same?


With a Charger born in Chrysler assembly plant in Valencia, Venezuela






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