Best tranny oil for lt77 - Defender Source
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  #1  
Old January 14th, 2013, 04:53 PM
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Best tranny oil for lt77

I have been searching and reading on the lt77 vs r380 transmissions trying to figure out what is the best oil. I am not having any issues at this point but do notice that it takes a little slower shifting from 1st to 2nd. I am not hearing gears grind but I can feel the slightest vibration sometimes, not with every shift.
I figured it would be a good time to put new tranny oil in. I have heard people say Redline MTL, ATF type F and so on. What do you recommend?
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  #2  
Old January 14th, 2013, 05:08 PM
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This is what I am running:

http://www.amsoil.com/shop/by-produc...?code=ATFQT-EA

It has helped out the shifting a lot.
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  #3  
Old January 14th, 2013, 05:40 PM
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I'm using Redline MTL. They stock it at 3R in Englewood.
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  #4  
Old January 14th, 2013, 07:15 PM
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I couldn't get my hands on any Redline at the time (when I had my old 110 with a lt77), so the local speed shop recommended Royal Purple synthetic ATF. It worked well enough. No additional seal seeping.
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Old January 14th, 2013, 07:41 PM
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Old January 14th, 2013, 07:48 PM
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I get my redline mlt from amazon buy three ships free

$14.95 ea
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Old January 14th, 2013, 09:36 PM
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Thanks for the advice, looks like I will do the Redline MTL
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Old January 14th, 2013, 09:56 PM
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It might be a good idea to change the filter as well or at least clean the existing one out after you drain the fluid.
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  #9  
Old January 15th, 2013, 09:29 AM
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Quote:
Originally Posted by meatblanket View Post
It might be a good idea to change the filter as well or at least clean the existing one out after you drain the fluid.
In lieu of draining all the fluid (will wait for a sunny warm day for that) can I just add the Redline MTL into whatever is in their now or should you start fresh with one kind? Not sure what is in there now...
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Old January 15th, 2013, 09:36 AM
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I don't know one way or the other about mixing it, but if you don't know when it has been changed last, then I'd go ahead and drain the transmission when that warm sunny day materializes. You'll need 3 quarts and you'll have some left over. If you get a new filter, get some new sealing washers at the same time.
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Old January 15th, 2013, 09:41 AM
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Thanks Mike, where can I pick up a filter? Is that just a common size at the local auto parts store?
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Old January 15th, 2013, 09:48 AM
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The filter is meant to be cleaned. It is just a strainer.
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Old January 15th, 2013, 10:07 AM
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Technically the answer is sure but other than a few minutes of discomfort, I would bite the bullet and drain the fluid. Whole process should only take you 15 minutes as long as you have a fluid pump (which you will want either way) and will give you the piece of mind of knowing that your transmission is happy again!
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Old January 15th, 2013, 10:11 AM
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Anyone local in the Denver area want to help me do this? I don't have a fluid pump, and would rather have someone watch that knows what the hell they are doing before I try it alone.
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Old January 15th, 2013, 10:38 AM
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Few things:

You can't add without draining. You basically fill it up to the fill hole so unless you drain you have no place to put the fluid. In addition it would be pointless to mix the fluids. If there really is a benefit to the redline stuff you wouldn't see it. For what it is worth I run Royal Purple in everything.

You don't need help doing this. You just need a $5 pump. Only suggestion is make sure the fill plug is removable before you take out the drain plug.

Where is there a strainer/filter in the tranny? News to me.
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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Old January 15th, 2013, 10:56 AM
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The strainer comes out with the large drain plug.
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  #17  
Old January 15th, 2013, 10:59 AM
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http://www.landyzone.co.uk/lz/f41/lt...ge-134455.html
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Old January 15th, 2013, 11:01 AM
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Is that in an r380 too? I've never seen that before.
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #19  
Old January 15th, 2013, 11:13 AM
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Rovahfarm has the filter, seals, etc.

It is likely that you can re-use the filter unless it's torn or gummed up really bad. But they are quite inexpensive.

Note there are two drain plugs, so you'll need two sealing washers, one big and one small. You can re-use the sealing washers as well, but again, they are cheap and after putting nearly $50 in new fluid in there why risk a drip?

It's a super easy job but can be a bit messy using a fluid transfer pump.

If you want help I'll volunteer when it's warmer out.
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  #20  
Old January 15th, 2013, 02:21 PM
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Quote:
Originally Posted by bjf View Post
Is that in an r380 too? I've never seen that before.
The strainer for the R380 is inside the box and not serviceable.
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