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Changing differential fluid - A step by step "HOW TO"

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Old 01-22-2009, 02:26 AM   #41
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I'm guessing it's pretty much the same steps for a 1st gen? I don't feel like crawling under my truck.
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Old 01-22-2009, 05:47 AM   #42
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Quote:
Originally Posted by WW_FIREFIGHTER View Post
Hey great write up chris and brian!!! This was exactly what I needed to know! Quick question. I know you need 3 quarts of oil but with the extra 4oz. of the lsd fluid, did you guys end up with some left over or were you able to get it all in?
I put in 1 quart of fluid first, then the 4oz. of additive, then filled until it started comming out. I capped it off, drove the truck about 40 feet, then topped off the diff with the rest of the oil. It held exactly 3 quarts 4 oz.
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Old 01-22-2009, 05:48 AM   #43
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by Motoknuckle View Post
I'm guessing it's pretty much the same steps for a 1st gen? I don't feel like crawling under my truck.
First gen uses the same diff, just a little narrower. I think the specs call for just under 3 quarts for th efirst gens.
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Old 01-22-2009, 06:12 AM   #44
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Quote:
Originally Posted by chris4x4 View Post
I put in 1 quart of fluid first, then the 4oz. of additive, then filled until it started comming out. I capped it off, drove the truck about 40 feet, then topped off the diff with the rest of the oil. It held exactly 3 quarts 4 oz.
Sweet!! Got yah, thanks!!!
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Old 01-22-2009, 06:17 AM   #45
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by ph16drive View Post
X2

Also, where do you dispose of the stuff? Will Autozone take it like they do with engine oil?
They should.
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Old 01-22-2009, 09:56 AM   #46
No matter where you go there you are.
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Quote:
Originally Posted by ph16drive View Post
X2

Also, where do you dispose of the stuff? Will Autozone take it like they do with engine oil?
Our Wal Mart here said they will take the oil for no charge. but have not taken it there yet to see. Our Garbage dump takes it for no charge and since Im at the dump once in awhile it works for me.
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Old 01-22-2009, 10:03 AM   #47
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Quote:
Originally Posted by ph16drive View Post
X2

Also, where do you dispose of the stuff? Will Autozone take it like they do with engine oil?

OOPS, I forgot something. I'm not sure where Chris was going to do with the old (I guess maybe I should have taken it).

When I change my oil, I take it to the local Checker/Kragen store.
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Old 01-22-2009, 10:11 AM   #48
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Good job guys!!! This should be stickyed or put in mods & Tutorials.

Thanks in advance admin and mods
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Old 01-22-2009, 01:23 PM   #49
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Right on guys!

I'm a little reluctant to changing anything other than the engine oil, but now I'll give this a shot.
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Old 01-22-2009, 01:52 PM   #50
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Quote:
Originally Posted by taco084gb View Post
Hey tacoman
I did my front and rear diff with 75/90w Royal purple. I have the electric locker in the rear. The manual said replace at 15,000 miles and the stealer wanted $90 for the rear only. Took me about an 1 hr to do both. Have about 3500 miles on it so far and no problems. Do a lot of offroading and pulling a 3500 pound trailer about 2 a month.Hope this helps.

By the way nice write up on this never thought of doing it. I take it for granted since I rebuild gear boxes on a regular bases at work.
Quote:
Originally Posted by WW_FIREFIGHTER View Post
Dang I could have sworn my manual said every 30,000.
i use mobil1.......................iwas just asking chris if he had tried synthetic royal purple, since mobil1 didnt do so well in the lsd for him(i have the locker)..........and the manual for the 06 i had and the manual for the 04 i have now say every 30k....diff fluid change.
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Old 02-14-2009, 11:49 AM   #51
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anyone know the hex size on the front diff for 1st gen? anyone had success getting the rear fill plug out when it was stuck?
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Old 02-17-2009, 01:43 PM   #52
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Did you guys use the Genuine Toyota LSD Additive? If not what brand did you use?
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Old 02-17-2009, 01:54 PM   #53
With sufficient thrust, pigs fly just fine.
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Quote:
Originally Posted by harshest View Post
Did you guys use the Genuine Toyota LSD Additive? If not what brand did you use?
Yep. We used the OEM Toyota addative. 4ozs.
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Old 02-18-2009, 04:48 AM   #54
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Sorry to bring back an old thread but yesterday I bought Mobile 1 synthetic gear oil to change my LSD rearend this weekend. I also bought a tube of additive. I stumbled across this thread this morning and am now concerned about using it since it seems Chris had a bad experience. Has anyone come up with new results? Should I use Royal Purple synthetic or go with conventional gear oil? Thanks
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Old 02-18-2009, 04:54 AM   #55
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Quote:
Originally Posted by jshaw View Post
Sorry to bring back an old thread but yesterday I bought Mobile 1 synthetic gear oil to change my LSD rearend this weekend. I also bought a tube of additive. I stumbled across this thread this morning and am now concerned about using it since it seems Chris had a bad experience. Has anyone come up with new results? Should I use Royal Purple synthetic or go with conventional gear oil? Thanks
As you see in our wrtie-up, I/we chose to go with conventional 75-80/75-90 "Dino" oil.

I have read on other forums guys having problems in the LSDs' using synthetic Mobil 1, and guys having good luck with RP. Maybe it has somehting to do with the LSD additive...

Not having the first hand experiance from using those, Chris4x4 should be able to answer better.
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Old 02-18-2009, 05:55 AM   #56
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by jshaw View Post
Sorry to bring back an old thread but yesterday I bought Mobile 1 synthetic gear oil to change my LSD rearend this weekend. I also bought a tube of additive. I stumbled across this thread this morning and am now concerned about using it since it seems Chris had a bad experience. Has anyone come up with new results? Should I use Royal Purple synthetic or go with conventional gear oil? Thanks
I used different combos of Mobil 1 and the Addative. I tried it with no addative, 2oz., 4oz, 8oz. Enev tried the Mobil 1 LS, which is supposed to have the addative in it or something. No luck. After a few days, the rear chirped and howled.
Personally, If you do any towing, or get your diffs underwater, use dino oil in the diffs.You gotta change them more frequently anyway, so why spend the money.
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Old 02-18-2009, 06:56 AM   #57
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Thanks Chris. I will use the dino oil for the rear. One more reason this is such a great, informative site.
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Old 03-03-2009, 09:42 AM   #58
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can you use synthetic in the rear end for a 2009 sport. it has a lsd but it is electronic.
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Old 03-03-2009, 01:37 PM   #59
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Quote:
Originally Posted by 09 tacoma trd View Post
can you use synthetic in the rear end for a 2009 sport. it has a lsd but it is electronic.

you could, yes. were you thinking of going Mobil 1 or RP?
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Old 03-03-2009, 09:22 PM   #60
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Awesome How to. Got Keep Those dealerships out of your pocket. Preach on.
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