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  #16  
Old 12-23-2005, 10:44 AM
lovemyexpy lovemyexpy is offline
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Flashing A4WD gone?

ribbons8489, did replacing the sensors on the transfer case fix your flashing A4WD problem? How tough were they to replace? That one behind the transfer case motor looks tough to get at.

Thanks.............
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  #17  
Old 12-23-2005, 04:34 PM
ribbons8489 ribbons8489 is offline
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Speed Sensor

I never could find the other sensors. I replaced the one on the rear axle which is called the ABS sensor too. Looked all over took apart the interior and went down to the transmission, searched high and low and never found another sensor. My light still flashes so every time I turn on the vehicle I turn it off on the shifter. If it flashes then the transmission will only jump slightly now that I changed the rear sensor. I would like to know if you find the other sensor. Ribbons8489@yahoo.com
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  #18  
Old 12-25-2005, 11:46 AM
the4by4freek the4by4freek is offline
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The rear ABS sensor has NOTHING to do with the 4WD. The sensors for the 4WD are on the transfercase. They are on the rear of the transfercase where the rear driveshaft comes out. One is bolted right to the rear in plain sight. The other is hidden behind the shift motor. You need to remove the shift motor to see the sensor. Each one is held in place with one bolt. Remove the bolt then pull the sensor out. I hope this helps.
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  #19  
Old 12-25-2005, 07:00 PM
lovemyexpy lovemyexpy is offline
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It looks to me like you almost need to take the shift motor off to get at the one sensor on the transfer case. I have both a flashing A4WD light and a shift motor that seems to be acting up (poping out of 4WD). I'm replacing the shift motor when I get it by the end of the week, and may just replace both sensors at the same time as long as I am in there.

FYI..........I had my transfer case replaced about 1 1/2 years ago and the A4WD has been flashing ever since. I couldn't get it back in the shop when I picked it up, and just let time pass too long now. I wonder if a sensor could be seated improperly, or is just dirty. Not sure if they used the sensors from my old transfer case or the rebuild came with them. If anyone has some insight on that I'd appreciate it.

Thanks..........
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  #20  
Old 01-06-2006, 11:56 PM
lovemyexpy lovemyexpy is offline
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Talking Success!!!

I replaced both the front and rear hall effect sensors on the Transfer Case and also replaced my Transfer Case shift motor. My flashing A4WD is now gone and I believe my inconsistent 4WD engagement is also fixed. the4by4freek describes exactly where the sensors are, but I may be able to get you a picture if you like ribbons8489. Let me know. Based on all the threads I've read, the sensor changes will almost certainly fix your flashing A4WD. I can get you the part numbers for the sensors if you like (I have a 98 5.4L Expy).

Let me know.
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  #21  
Old 01-07-2006, 10:44 AM
the4by4freek the4by4freek is offline
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Talking

Great to hear about your success! I'm glad I could help!
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  #22  
Old 05-14-2008, 01:06 PM
lugster84 lugster84 is offline
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Hi lovemyexpy, I am getting the flashing 4x4 light [01 expy 5.4] and cannot locate the part number of the second sensor [behind shift motor], do you have the part numbers or descriptions, I have the one which is Autozone #su2121. Thanks in advance!!
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  #23  
Old 05-14-2008, 01:48 PM
scottspoerry scottspoerry is offline
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The flashing 4x4 light is more likely to be the sensor on the the rear diff, unless ypu have already eliminated that possibility. They seem to fail most often.
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  #24  
Old 04-04-2013, 06:43 PM
jeff40 jeff40 is offline
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can any one tell me I just put a used tranny in my 2003 expedition when I took it for the test drive the speedometer jumps to 100mph is this the speed sencer doing this or?
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  #25  
Old 03-26-2014, 10:28 AM
Alfred E Newman Alfred E Newman is offline
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speed censer

Hello I was wondering if anyone could tell me how to fix two problems with my 1995 F350 with a E4OD transmission. problem one the needle that shows the speed you are trying to maintain bounces once you get over 35, I changed out the speed censer in the rear end no good.
2 problem TCC stays locked.
I put OBD1 reader on and got 111 system good 311 HO2s bad 536 BOO no signal. Are all these things related or separate problems?
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  #26  
Old 03-26-2014, 10:56 AM
alloro alloro is offline
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Quote:
Originally Posted by Alfred E Newman View Post
I changed out the speed sensor in the rear end no good.
That sensor is for the ABS. The sensor you want is on the tail of the tranny if 2WD or the back of the transfer case if 4WD.
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  #27  
Old 03-26-2014, 11:06 AM
Alfred E Newman Alfred E Newman is offline
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speed censer

Thanks I'll try that. I'll let every body know the out come.
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  #28  
Old 07-26-2014, 07:32 PM
PhilcoPGM PhilcoPGM is offline
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Similar problem with my VSS sensoe, but the connector fell off, and the wire hung down and the plastic connector is no longer there, just the two wires. Where can I get the connector, or the wire harness only. My VSS, I have to assume is working well when it's connected. Not even a new VSS comes with a new wire harness. Came back from O'Reilly Auto Parts here in Michigan and they said it's not available. To go to a junkyard. Well, any other sugestions?
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  #29  
Old 07-27-2014, 01:19 AM
alloro alloro is offline
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Quote:
Originally Posted by PhilcoPGM View Post
the plastic connector is no longer there, just the two wires. Where can I get the connector,
Make, model, year, 4wd?
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Old 07-27-2014, 01:19 AM
 
 
 
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