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Old 11-08-2013, 12:41 AM   #1
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Quick Transmission question

I have a 1995 wrangler 2.5 L standard that the transmission has started to fail out. I have already lost 5th gear completely and the rest are getting worse and grinding.

My question is would it most likely be more beneficial to change out the transmission oil, clear out any possible metal shavings floating around, or could this be more detrimental actually causing it to fall apart faster? The transmission is inevitably going out but I would just like to prolong this as long as possible ha

Also, I currently have 80w-90 which I planned to use for it but have been reading a lot of posts recommending 10w-30?

Anyways, thanks!

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Old 11-08-2013, 09:59 AM   #2
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if its already on its way out, what do you have to loose by changing out the fluid?


and, welcome to WF!

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Old 11-08-2013, 10:01 AM   #3
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If it were me, I would seek out a BAD one.... get THAT fixed... and then have it as a spare WHEN the AX5 goes out. I have gotten several over the years to have as backups JIC. They can be had for $100 or so, when they are BAD......
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Old 11-08-2013, 10:06 AM   #4
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As far as fluid. Stay away from anything GL5. 10w30 or a 75w-90 that isnt GL5. I use Synchromesh.
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Old 11-12-2013, 06:06 PM   #5
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Thanks everyone! I'll swap out that fluid and see how it holds up. Time to start tranny searching
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Old 11-14-2013, 10:11 PM   #6
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Quote:
Originally Posted by coroe View Post
Thanks everyone! I'll swap out that fluid and see how it holds up. Time to start tranny searching
Just curious if you changed fluid and what the outcome was. I am having hard shifts with my AX5 and was thinking of changing to 10W30 synthetic for the heck of it.
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Old 11-15-2013, 06:19 AM   #7
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Just curious if you changed fluid and what the outcome was. I am having hard shifts with my AX5 and was thinking of changing to 10W30 synthetic for the heck of it.
Not sure what hard shift means to you but I was having a hard time shifting into 2nd gear from a higher gear. Example: Coming to a corner that I was going to turn on. I want to get into 2nd from say, 4th. It was very hard to get into 2nd. I drained my fluid and put in Pennzoil Synchromesh and it has smoothed it out a TON. I have a ax15 so YMMV.
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Old 11-15-2013, 11:17 PM   #8
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Not sure what hard shift means to you but I was having a hard time shifting into 2nd gear from a higher gear. Example: Coming to a corner that I was going to turn on. I want to get into 2nd from say, 4th. It was very hard to get into 2nd. I drained my fluid and put in Pennzoil Synchromesh and it has smoothed it out a TON. I have a ax15 so YMMV.
Thanks. Hard shifting from neutral to 1st and reverse. I have to rev it a bit to get it into 1st. Shifts fine while driving. Also, reverse grinds a bit. Assuming the synchos are worn. Just trying anything before replacing trans. Thanks again. Going to try it out.
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Old 11-16-2013, 09:57 AM   #9
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The hard shifting could also be the clutch not fully disengaging.
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Old 11-17-2013, 03:18 PM   #10
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Those are exactly the problems with mine as well, shifting to 2nd or 1st from higher gear without coming to complete stop, and shifting to 1st from neutral. I'm going to change out my fluid here today so will also let you know the outcome after a day or so of driving.
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Old 11-18-2013, 09:57 PM   #11
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I have AX-5 taken from my 92 as I am doing a V-8 conversion. Not worth shipping but depending on your location and interest let me know.
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Old 11-20-2013, 10:04 PM   #12
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I'll start by admitting I know very little about transmissions. I'm okay when it comes to engines, but transmissions is all new territory for me. I have a AX-5 in my Cherokee 2.5L that is getting hard to shift, mostly in neutral to 1st or 1st - 2nd. It doesn't grind except for reverse, but I can pretty much avoid that too if I ease it in. My trouble is that it just is hard to get into gear - almost like the shift knob is blocked. A few tries and a hard push, and it will go. I guess my question is this: is that what others are experiencing when they say "hard to shift" or are they talking about gear grinds? When I got the jeep this summer I changed out the fluid to Penzoil syncromesh just because i had no idea what it was running with. It worked okay but was a little noisy. On the advice of many forums I switch to Redline MT90 and that did help to quiet the transmission some, but now it is slowly getting hard to shift and seems to be getting worse. It has 165k on the vehicle, and probably all of that on the AX-5. So, will another fluid change to 10W30 help? Does this sound like a syncro problem or should I be looking for something else? - Thanks!
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Old 11-21-2013, 06:05 AM   #13
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What you described as "hard shifts" is the same thing i was having. Except Synchomesh helped it a ton.
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Old 01-20-2014, 11:03 AM   #14
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I have a Peugot BA10 in my 87 yj Laredo. Just changed the tranny fluid in early fall when it was still warm here in PA to 85W90. Now its colder than a witches tit and I'm having serious shifting problems. I'm wondering if my fluid change could've done it. Really hard to get into all gears.
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Old 01-20-2014, 08:49 PM   #15
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Quote:
Originally Posted by BigJKRed View Post
I have a Peugot BA10 in my 87 yj Laredo. Just changed the tranny fluid in early fall when it was still warm here in PA to 85W90. Now its colder than a witches tit and I'm having serious shifting problems. I'm wondering if my fluid change could've done it. Really hard to get into all gears.

That may be to heavy for Cold weather, try a Synthetic oil, it will flow better in cold weather.

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