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Tranny Fluid


 
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tarheel4x4
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Joined: 13 Jul 2005
Location: NC

PostPosted: Mon Jul 25, 2005 7:07 pm    Post subject: Tranny Fluid Reply with quote

I was told that it is a great idea to change transmission fluid often yet i heard it wasnt, does anyone know which is the right answer?
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ThePhantum
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PostPosted: Mon Jul 25, 2005 9:04 pm    Post subject: Reply with quote

Here's the skinny: It is a good idea to change tranny fluid often. However, if it has not been done in a long time, especially on a high mileage tranny, it might hurt more than help. In that case, introducing new fluid and thus fresh detergents can clean deposits of the clutches. In some cases (again we're talking about a high mileage tranny), it's those deposits that are keeping the clutches from slipping.
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dubbleJ's
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Joined: 19 Sep 2006
Location: Calgary

PostPosted: Sat Oct 07, 2006 6:14 pm    Post subject: Reply with quote

thought id bump this instead of making another...

I was thinking I should change my tranny fluid soon. I have a 91 XJ 5 spd w/ 300,000kms. New clutch was put in about 4 years ago I think. I know sometimes tranny flushes can do more damage by taking out all those deposits that can be holding it together like you said...is it worth it for me?

Any quick writeups on changing it? I might just check the fluid first to see its condition.
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Code3TJ
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PostPosted: Sat Oct 07, 2006 8:08 pm    Post subject: Reply with quote

If it's a manual transmission, there isn't much of a flush you can do - pull the fill plug, pull the drain plug, drain, reinsert drain plug and fill. If it hasn't been done in a long time, I'd encourage you to change the gear oil. Wink
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dubbleJ's
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PostPosted: Sun Oct 08, 2006 11:31 pm    Post subject: Reply with quote

Code3TJ wrote:
If it's a manual transmission, there isn't much of a flush you can do - pull the fill plug, pull the drain plug, drain, reinsert drain plug and fill. If it hasn't been done in a long time, I'd encourage you to change the gear oil. Wink


Yea you're prob right, ill get on that Smile

What gear oil would u suggest? OEM?
Also what side of the tranny are the fill/drain plugs on?
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monkeyman3875
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Joined: 06 Jul 2005
Location: Charlotte, NC

PostPosted: Mon Oct 09, 2006 7:20 am    Post subject: Reply with quote

The drain plug on the transmission is on the pan, under the car.

To fill the transmission (and someone correct me if I'm wrong) you have to use the the same place where the dipstick is. In the engine bay.
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TheBrat97
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Joined: 28 Jul 2006
Location: Dallas, TX

PostPosted: Mon Oct 09, 2006 7:36 am    Post subject: Reply with quote

monkeyman3875 wrote:
To fill the transmission (and someone correct me if I'm wrong) you have to use the the same place where the dipstick is. In the engine bay.


yup...and as for gear oil i used 80W-90 synthetic
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Code3TJ
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PostPosted: Mon Oct 09, 2006 9:54 am    Post subject: Reply with quote

Um, it's a manual transmission - shouldn't be a pan or dipstick. The fill plug should be on the driver's side about halfway up from the bottom and on the forward half of the case. The drain plug should be on the passenger side at the bottom. It should take a 75w90 GL5 gear oil. Take a look at Red Line Oil.
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dubbleJ's
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PostPosted: Sat Nov 25, 2006 1:19 pm    Post subject: Reply with quote

Well I ended up using high pressure 80w90 gear oil in my tranny. Gonna change my diff fluid next, is the same 80w90 good for both diffs?
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TheBrat97
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PostPosted: Sun Nov 26, 2006 2:06 am    Post subject: Reply with quote

You used gear oil in your transmission? That probably wasn't smart.
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Renegadestang
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PostPosted: Sun Nov 26, 2006 9:15 am    Post subject: Reply with quote

Ok y'all. We've got mixed up auto and manny transmissions in here.

DubbleJ and Code3TJ are talking about servicing a manual transmission, which uses gear oil and does not have a dipstick or drain pan.

TheBrat, Tarheel, Phantum and MonkeyMan were all talking about servicing an automatic transmission.
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dubbleJ's
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Joined: 19 Sep 2006
Location: Calgary

PostPosted: Sun Nov 26, 2006 9:46 pm    Post subject: Reply with quote

Renegadestang wrote:
Ok y'all. We've got mixed up auto and manny transmissions in here.

DubbleJ and Code3TJ are talking about servicing a manual transmission, which uses gear oil and does not have a dipstick or drain pan.

TheBrat, Tarheel, Phantum and MonkeyMan were all talking about servicing an automatic transmission.


lol Yea this thread has a couple different topics. Youre right Renegade I have a manual tranny so it is supposed to have gear oil in it..Brat97 I was being smart when I did this and checked the manual first. There's no pan, and no dipstick in sight. Smile

75w90 is suggested, I used 80w90, is there much of a difference between the two?
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TheBrat97
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PostPosted: Sun Nov 26, 2006 11:55 pm    Post subject: Reply with quote

Quote:
lol Yea this thread has a couple different topics. Youre right Renegade I have a manual tranny so it is supposed to have gear oil in it..Brat97 I was being smart when I did this and checked the manual first. There's no pan, and no dipstick in sight. Smile

75w90 is suggested, I used 80w90, is there much of a difference between the two?


My apologies I didn't read the whole thread first.
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Code3TJ
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PostPosted: Mon Nov 27, 2006 12:00 pm    Post subject: Reply with quote

dubbleJ's wrote:
I was thinking I should change my tranny fluid soon. I have a 91 XJ 5 spd w/ 300,000kms.


Yes, this is what I was looking at - don't go putting gear oil in an auto transmission if you have one. Wink
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