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Old 01-28-2009, 02:27 PM   #1
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Filling Manual Transmission

This is I know it is but I have spent a good 15 minutes looking at my TJs engine compartment and another hour searching forum(s) yes multiple forums and the FSM in pdf format.

I still don't know how to fill my manual transmission.

So, now that I look like a total loser, can someone please tell me where to look to find the fill for my transmission.

I need to change the fluid but figured I better know how to fill it up before I drain it.

Thanks

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Old 01-28-2009, 03:50 PM   #2
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im pretty sure you fill it from a plug on the upper part of the trans on the passenger side, you will need a filler pump thingy probably... you should see it not too far above the drain plug... hope that helps

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Old 01-28-2009, 04:10 PM   #3
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i dont know how hard it is to take out a shifter on a tj but on my yj i always found it easier quicker and less messy to fill from the shifter and wait for it to come out the filler plug but like was said it should be high on the passenger side. your smarter then most to make sure you knew where they were but you should also make sure you can get the both off too (ive heard stories)
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Old 01-28-2009, 04:39 PM   #4
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I use a pump made for filling a Outboard Motor's Lower Unit It screws fight on a Quart bottle,The fill plug should be on the passenger side.
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Old 01-28-2009, 05:27 PM   #5
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Quote:
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im pretty sure you fill it from a plug on the upper part of the trans on the passenger side, you will need a filler pump thingy probably... you should see it not too far above the drain plug... hope that helps

Nope not there. I spent so much time under there looking around I started to get claustrophobic. Nothing at all on the pass side that looks like a fill plug. Driver side does have a small bolt head on the side above the drain pug but I believe it actually holds a syncro or something. Read another thread where a guy removed it and had to completely disassemble the trans to put it back in.

I already have an oil pump for outboard motor oil so now I just need to find the filler.

Can some-one take a photo?
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Old 01-28-2009, 05:45 PM   #6
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Additionally, in the FSM on THE VERY FIRST PAGE about the transfer-case they have a clear photo with the fill and drain plugs labeled.

I can't find any mention of these for the transfer-case.

Ridicules
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Old 01-28-2009, 06:16 PM   #7
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Found it.

Driver side, block by front drive shaft at certain angles.

Anyone know what size allen for the fill and drain plugs?

Thanks
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Old 01-28-2009, 06:16 PM   #8
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Quote:
Originally Posted by rkwfxd View Post
This is I know it is but I have spent a good 15 minutes looking at my TJs engine compartment and another hour searching forum(s) yes multiple forums and the FSM in pdf format.

I still don't know how to fill my manual transmission.

So, now that I look like a total loser, can someone please tell me where to look to find the fill for my transmission.

I need to change the fluid but figured I better know how to fill it up before I drain it.

Thanks
Here is a good write up friend: Jeep NV3550 Transmission & NP231 Transfer Case Service

I just did this exactly as described on 4x4xplor. It is a killer site and most useful to those of us who aren't the most mechanically inclined.

Best of luck to you, it was a messy job on my end. Also, when he explains the part about the pump, I will add a little to his statements...

From 4X4Xplor.com "Open up a bottle of transmission fluid, attach your bottle pump to it."
Timber's addendum: Promptly break threaded base of plastic pump by screwing it on too tightly.. Then, go ahead and spend 30 +/- minutes figuring out how you are going to securely reattached the threads.. Find medium duty zip tie and reattach base.." Fill transmission until your forearm is burning like white hot flames, then you should be close..

Best of luck to you rkwfxd, it really isn't that hard.. I just like to make things extremely difficult the first time I attempt to tackle a job (i.e. very first oil change at 16 years old; did not reinstall the drain bolt).. That is how I roll man.
Timber
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Old 01-28-2009, 10:08 PM   #9
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Thank you Timberman. I now have that site bookmarked.

I bought my Jeep used with 55,000 miles. I took it in for a quick oil/filter change due to time constraints but now I want to start at the front and work my way tot he back and change ALL the fluids and filters and brakes. I have many mods planned for it and I would like to install all of those mods myself.

I have always done all the service and mods to all of my motorcycles and the knowledge gained has been very useful on several camping and riding trips. I anticipate the same will be true for the jeep.

Thanks again.
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Old 01-29-2009, 09:34 AM   #10
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Quote:
Originally Posted by rkwfxd View Post
Thank you Timberman. I now have that site bookmarked.

I bought my Jeep used with 55,000 miles. I took it in for a quick oil/filter change due to time constraints but now I want to start at the front and work my way tot he back and change ALL the fluids and filters and brakes. I have many mods planned for it and I would like to install all of those mods myself.

I have always done all the service and mods to all of my motorcycles and the knowledge gained has been very useful on several camping and riding trips. I anticipate the same will be true for the jeep.

Thanks again.
4X4Xplor.com is bookmarked on my computer as well.. The write-ups are the best on the net.. I actually check his site if I am thinking about doing something as I may find it listed on a write-up. That way, I can gauge whether or not I can pull it off..

On a side note; I used Royal Purple Synchromax (at the Advise of Jerry and the guys on this site) and I couldn't be happier.. My 2000 Sport has the loud NV3550 and the RP Synchromax quieted it down significantly. It shifts a little better with the RP as well.

Timber

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