'95 Explorer Limited Transmission problem
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Freshman User
Joined: Aug 2003
Posts: 26
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From: Oregon
'95 Explorer Limited Transmission problem
I have written in several times about my explorer and have received excellent help....my speedo was jumping, my OD off light kept blinking, the tranny was not going into gear properly (automatic) so upon advice I changed the VSS, the RABS, the thermostat....still problems so I finally broke down and took it to the transmission shop and they said it is the speedometer drive gear....$227 later....
Hopefully this will help anyone else that may be having similar problems..
Karyn
Hopefully this will help anyone else that may be having similar problems..
Karyn
Freshman User
Joined: Oct 2002
Posts: 32
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From: Central PA
Karyn,
I've read all your posts pertaining to your transmission problem. I have a 95 limited that does everything yours did, and I am wondering where this speedo drive gear is located? Is it part of the speedo itself? I have been messing around with this vehicle for about a month now replacing all kinds of things, it would be great if it doesn't require a complete rebuild.
Thanks,
Jeff
I've read all your posts pertaining to your transmission problem. I have a 95 limited that does everything yours did, and I am wondering where this speedo drive gear is located? Is it part of the speedo itself? I have been messing around with this vehicle for about a month now replacing all kinds of things, it would be great if it doesn't require a complete rebuild.
Thanks,
Jeff
Elder User
Joined: Aug 2002
Posts: 886
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From: Cincinnati
If 4WD it is on the transfer case
Drivers side about an inch from the rear output shaft. Forget exactly which year the spedometer went electronic so there may be a speedometer cable out the back end. It holds in with a single nut on a bracket and pulls right out. Gears are about $7.50 at a dealer and easily replaced. I think standard is 19 tooth and you can get them from 16 to 21 to adjust speed. A little clip holds it on. On 2WD I think it is near the end of the extension housing.
Freshman User
Joined: Oct 2002
Posts: 32
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From: Central PA
Karyn,
So, did changing this gear fix your problems? I finally figured out that you are talking about the gear inside the transfer case. I suspected this gear was bad in mine, because the case has been leaking, and replacing the speed sensor gear didn't fix the problem. So I have this speedo drive gear on order, should get it by Friday. I hope it's not too difficult to get to, luckily I'll be able to change the leaky seal too at the same time. Does anyone here have any advice on getting into the transfer case to change this gear and seal?
So, did changing this gear fix your problems? I finally figured out that you are talking about the gear inside the transfer case. I suspected this gear was bad in mine, because the case has been leaking, and replacing the speed sensor gear didn't fix the problem. So I have this speedo drive gear on order, should get it by Friday. I hope it's not too difficult to get to, luckily I'll be able to change the leaky seal too at the same time. Does anyone here have any advice on getting into the transfer case to change this gear and seal?
Elder User
Joined: Aug 2002
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From: Cincinnati
The rear shaft seal
is easy to replace on a '97 4405. Unbolt the U joint flange, remove the large nut and pull out the shaft flange. Old seal will then pop out. Polish flange surface before putting back. With the driveshaft removed, press up on the shaft to see if it moves. The rear case that holds the bearing wears and this can cause a seal leak.
Front seal requires you to take the case apart on this model. You might be able to get at it in earlier years. The case has no gasket and is sealed with silicone. Some have reported case cracks at drain and fill holes from over tightening, be careful. Just opened my case to fix the rear bearing problem.
Front seal requires you to take the case apart on this model. You might be able to get at it in earlier years. The case has no gasket and is sealed with silicone. Some have reported case cracks at drain and fill holes from over tightening, be careful. Just opened my case to fix the rear bearing problem.
Freshman User
Joined: Oct 2002
Posts: 32
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From: Central PA
Thanks so much Karyn!! I replaced the speedometer gear on the driveshaft and it works like new again!!! No more flashing OD light, no more spastic torque converter unlocking, no more haywire speedometer!! What is really sad, is that every tranny shop I took this vehicle to told me that I definitely needed a new tranny. They told me they see this problem in 95 Explorers all the time. They also told me that usually a tranny rebuild doesn't solve the problem, and that they usually end up replacing the computer too! This is all really bizarre to me since the problem is in the transfer case and has nothing to do with the tranny! I feel bad for anyone who replaced a perfectly good transmission for no reason due to the incompetance of so many mechanics. I know I almost fell victim!
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Elder User
Joined: Aug 2002
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From: Cincinnati
Don't blame the shop. I find it equally improbably that two of you would have stripped speedometer gears. Was there obvious physical damage? I could believe that disconnecting the electrical plug and putting it might fix it.
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Freshman User
Joined: Oct 2002
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From: Central PA
Yes, there was definite wearing of the gear, it was cupped in at the middle. What I don't understand is why that gear would be softer than the gear at the end of the speed sensor. You'd think they would make the speed sensor gear out of softer plastic so it wears first, thereby making it easier to fix, but my speed sensor gear wasn't worn at all.
Elder User
Joined: Aug 2002
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From: Cincinnati
That's different
I replaced my speedometer gear with a 21 tooth from a 19 in order to correct a speedometer. The plastic is so thin on the teeth, in order to accomodate the extra teeth, that you wonder why it doesn't strip. In worm gears, it is common to have a curve to the surface, although I think mine was flat on my 4405. I have heard of people having to replace rear flanges because of wear. Was your shaft bolt loose. I mention this because the speed gear isn't locked to the shaft. Without proper tension, this could be allowed to slip creating an erratic signal.
Freshman User
Joined: Oct 2002
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From: Central PA
The bolt was very tight. And the gear was very curved in compared to the new one, and it wasn't an even curve, a few of the teeth were longer then the others. The only explanation I have as to why the gear went bad in the first place, is there is about 1/8th inch play in the shaft. There must be a worn bearing somewhere in the transfer case, it's not the bearing you can see when you remove the plastic and metal gears, it has to be futher inside it. The way I figure is I am willing to replace this gear every so often if it continues to wear, and if it gets real bad I'll buy a used case and replace the whole thing. At least I didn't let myself get talked into a new tranny at the tranny shop! I'm sure after they realized the problem was still there, that they would find the real cause then talk me into a new transfer case also!
New User
Joined: Jul 2003
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From: Ensenada B.C Mexico
95 explorer tranny problem
had the transmission in my 95 explorer changed about 3 months ago (old one died on me while i was Off Roding in the dunes) bought the new one from a junk yard and it cost me about $600 bucks, bear in mind that i ma located in ensenada Baja California Mexico and that cost in junk yard parts and labor are a little different than what you would expect in the states.
Well the new transmission seams to be working fiend except for a small bump that happens when you shift from first to second and the rest of the gears seam to be fiend.
Now the dam thing seam to be burning the transmission oil to fast and in 3 months I had to have the fluid changed because it was to worn out.
Any idea as to what might be causing the transmission to over heat and burn the fluid??
Any help will be greatly appreciated
Well the new transmission seams to be working fiend except for a small bump that happens when you shift from first to second and the rest of the gears seam to be fiend.
Now the dam thing seam to be burning the transmission oil to fast and in 3 months I had to have the fluid changed because it was to worn out.
Any idea as to what might be causing the transmission to over heat and burn the fluid??
Any help will be greatly appreciated
