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G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

Is front or rear wheel is used for Speedometer speed sensing?

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Old Sep 20, 2005 | 08:57 AM
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Is front or rear wheel is used for Speedometer speed sensing?
Is front or rear wheel is used for Speedometer speed sensing? and mileage tracking?
 
Last edited by m500; Sep 20, 2005 at 09:45 AM.
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Old Sep 20, 2005 | 10:26 AM
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Rear. When I ran my 23.5" drag radials at the track, my speedometer said I was going 110mph at the end of the 1/4 mile. On the stock 17s, the speedometer said ~100mph.
 
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Old Sep 20, 2005 | 10:32 AM
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Easy enough to figure out.

Get in some wet grass. Hit the gas and you'll have the answer in less than a second. Just make sure you're in some one else's yard. LOL.
 
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Old Sep 20, 2005 | 10:39 AM
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I'm pretty sure these sensors are in or around the transmission.
 
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Old Sep 20, 2005 | 11:16 AM
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Im with JawJaw, speed sensor works in/off the tranny.
 
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Old Sep 20, 2005 | 11:17 AM
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I believe you're both right (about the tranny) but I still want to go cut some donuts in wet grass and watch the speedo needle bounce..

 
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Old Sep 20, 2005 | 02:33 PM
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Originally Posted by GeeWillikers
I believe you're both right (about the tranny) but I still want to go cut some donuts in wet grass and watch the speedo needle bounce..

Get your damn car out of my yard!!!!!!!!!!!!!!
 
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Old Sep 20, 2005 | 02:38 PM
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DAMMIT - I swore no one saw me....


(stops down the street to pull chunks of fresh sod from rear wheel wells...)

 
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Old Sep 20, 2005 | 04:24 PM
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The speedo works off the output shaft of the tranny. Rear drive=rear wheels, front drive=front wheels.

Mark
 
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Old Sep 20, 2005 | 04:53 PM
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Originally Posted by DaveB
Rear. On the stock 17s, the speedometer said ~100mph.
You mean ~97mph
 
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Old Sep 20, 2005 | 10:51 PM
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it looks there are some sensor on the half shafts. Are these the speed sensors or are these to monitor wheel slippage for the VDC?
 
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Old Sep 20, 2005 | 11:46 PM
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it cant be front thats for sure.... if its the front, then i would have no idea why the speedo will go up when my car is on a dyno.

 
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Old Sep 22, 2005 | 09:40 AM
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Does it use the front wheel or rear wheel to count the revolution to determine the distance you have traveled?
 
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Old Sep 22, 2005 | 01:12 PM
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I think it's been pretty well answered above! All cars use TRANSMISSION output shaft rotation. Front or rear drive doesn't matter.

Mark
 
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