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post #1 of 64 (permalink) Old 10-16-2008, 11:42 PM Thread Starter
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differential fluid...

Ok so i know very little about fixing things on cars or taking them apart..i wanna learn but i dont wanna mess anything up becuase i drive my car daily...

the differential fluid needs to be changed hard core...i could take it some where but it would cost around $200...

I am coming to S HOW this saturday if someone could show me/ help me with it if they can also recommend a good fluid for my 4Runner by tomorrow after noon so i can buy some....

That would be totally awesome....


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post #2 of 64 (permalink) Old 10-16-2008, 11:52 PM
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I'm guessing yours won't be too different from mine, but if you look in the back of the owner's manual it should tell you specifically something like this:

TRANSFER (part−time four wheel drive
models)
Oil capacity, L (qt., Imp. qt.):
1.0 (1.1, 0.9)
Oil type:
Hypoid gear oil API GL−3
Recommended oil viscosity:
SAE 75W−90
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post #3 of 64 (permalink) Old 10-16-2008, 11:54 PM Thread Starter
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Quote:
Originally Posted by fjcruzer View Post
I'm guessing yours won't be too different from mine, but if you look in the back of the owner's manual it should tell you specifically something like this:

TRANSFER (part−time four wheel drive
models)
Oil capacity, L (qt., Imp. qt.):
1.0 (1.1, 0.9)
Oil type:
Hypoid gear oil API GL−3
Recommended oil viscosity:
SAE 75W−90
lol ok i will look lol...and see...for sure...

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post #4 of 64 (permalink) Old 10-17-2008, 12:02 AM
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Np!
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post #5 of 64 (permalink) Old 10-17-2008, 12:07 AM Thread Starter
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Quote:
Originally Posted by fjcruzer View Post
Np!
i assume that you wouldnt do anything but what the books says?

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post #6 of 64 (permalink) Old 10-17-2008, 12:18 AM
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You could, but I never have and I think I've put about 350,000 miles on my various Yotas and have never had a transmission or differential fail. The few mechanics that I really rust have agreed that the factory stuff is best, especially in the newer transmissions and differentials. That said, many folks swear by stuff like Royal Purple...
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post #7 of 64 (permalink) Old 10-17-2008, 12:21 AM
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grab 3 quarts per diff (i like to overfill my diffs and have extra for later). i usually use valvoline 80-90w, but 85-140w is also fine.

basically, all you do is pull the fill plug out. then pull the drain plug. let the oil drian. put the drain plug back in. fill the diff up until oil comes out the fill plug. put the fill plug back in.

edit: (royal purple is synthetic, and wont work with regular gear oil). and the diff takes a little over 2 quarts.

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post #8 of 64 (permalink) Old 10-17-2008, 01:51 AM
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Just filled my diff, it held a little over two quarts before it started dripping out of the fill hole.

I ran 75-90 previously, and wasnt happy with how hot things got. Talked to my mechanic and a few other people, and i just switched up to Valvoline full Synthetic 75-140. Its quite pricey @ 16.99 a quart, but it should help greatly with heat.

I dont think you'll have to worry too much about that though, as your gears shouldnt be over working themselves like mine are (geared too low, for too short of a tire).

And royal purple is the shit! Its all i ran in the tranny in my car, and its amazing the difference it made from conventional oil. You probably wont be able to tell too much of a difference using a synthetic oil in the diff, but it never hurts.
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post #9 of 64 (permalink) Old 10-17-2008, 03:48 AM
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Quote:
Originally Posted by 4Runner_Girl View Post
...i could take it some where but it would cost around $200...
thats true, and something that has confused me. anyone know why it costs $80 per diff for an oil change while it only costs about $25 for an engine oil change? i mean, all they have to do is take out two plugs and pump in some fluid...changing the engine oil is more time consuming and even has to charge for a filter.

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post #10 of 64 (permalink) Old 10-17-2008, 08:06 AM
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Was the $200 for a full 4WD service? (Meaning changing the tranny, tcase, both diffs, etc)

This is a perfect job for HOW-S!

Oh, and the reason you take the fill plug off first is in case you have trouble with it, you haven't drained all the fluid out!

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post #11 of 64 (permalink) Old 10-17-2008, 12:26 PM Thread Starter
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Quote:
Originally Posted by RedRunnertc View Post
Was the $200 for a full 4WD service? (Meaning changing the tranny, tcase, both diffs, etc)

This is a perfect job for HOW-S!

Oh, and the reason you take the fill plug off first is in case you have trouble with it, you haven't drained all the fluid out!
yes i believe that it was a 4wd service...the guy said he would give me a discount but i still think its too much for me lol i am a poor college student lol...and i can read anything about how to do it but it works better if someone is there and shows my...yeah and i probably should do the transfer case too...

along with making sure everything is ready for winter...so pretty much a 4WD service thing...mostly though transfer case and differential....and maybe repalcing the bushings on my squeaky cluch...maybe if i can find my pieces

Yeah I am a girl can you handle it?
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Last edited by 4Runner_Girl; 10-17-2008 at 12:59 PM. Reason: cause i can
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post #12 of 64 (permalink) Old 10-17-2008, 03:43 PM
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Tcase and diffs can take the same gear oil. You'll need something like 10 quarts to do the front and rear diffs and the tcase.

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post #13 of 64 (permalink) Old 10-17-2008, 03:46 PM
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thefatkid reccomends 80-90. I guess they have alot of issues with the 74-90 for some reason. Maybe he will chime in.

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post #14 of 64 (permalink) Old 10-17-2008, 03:48 PM
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Will have to remember that ... I had quite a time finding 75W90 this last time. Lots of 80W90 and 80W140 though.

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post #15 of 64 (permalink) Old 10-17-2008, 03:55 PM
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I guess that little change in viscosity is actually quite noticable and they get alot more leakage problems from the 75-90 if i remember our conversation right.

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post #16 of 64 (permalink) Old 10-18-2008, 12:03 AM Thread Starter
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Quote:
Originally Posted by RedRunnertc View Post
Will have to remember that ... I had quite a time finding 75W90 this last time. Lots of 80W90 and 80W140 though.
well my manual says 75w90 synthetic is what to use i bought it today...with some gear oil...is that ok? or should i exchange it?

Yeah I am a girl can you handle it?
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post #17 of 64 (permalink) Old 10-18-2008, 12:11 AM Thread Starter
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Quote:
Originally Posted by RedRunnertc View Post
Will have to remember that ... I had quite a time finding 75W90 this last time. Lots of 80W90 and 80W140 though.

well i got so tcase oil which was recommened from the manual and from the internet...along with the diff oil....

Yeah I am a girl can you handle it?
~Silly boys trucks are for girls~
~Samantha~
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post #18 of 64 (permalink) Old 10-18-2008, 07:37 AM
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You will be fine.

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post #19 of 64 (permalink) Old 10-18-2008, 09:53 AM
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Quote:
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You will be fine.
x2

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post #20 of 64 (permalink) Old 10-18-2008, 11:59 AM
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Per the FSM on your (2000ish) 4runner you front Differential and Transfercase take GL5 75-90wt. Your rear differential takes GL5 80-90wt. I have seen issues with axle seal leakage in the rearend when using 75-90wt. I think the old/used seals don't like the change in oil weight.

If you doing the differentials and t-case you might as well do a transmission drain and fill. About 6 quarts of Dexron III if you remove the pan, about 4 if you pull the plug only. This is also a good time of year to make sure your (prone to leak) water pump and cooling system is up to par. A drain and refill with toyota red coolant (1 gallon, 1 gallon of water distilled perfered) would be good also.
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post #21 of 64 (permalink) Old 10-18-2008, 10:54 PM
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It's actually a manual transmission, Brian!

Holy shnikes that had to be the hardest diff fluid change EVER!

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post #22 of 64 (permalink) Old 10-18-2008, 11:04 PM
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Y? What happened?

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post #23 of 64 (permalink) Old 10-18-2008, 11:44 PM
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Well somebody...(Grandpa Doug ) didn't take the advice to open the fill plug first... And sure enough, after all the fluid was out, that damn fill plug would not pop loose. Ended up having to weld a breaker bar to it, after they rounded the bolt.
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post #24 of 64 (permalink) Old 10-18-2008, 11:58 PM
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Nice, I will have to be sure to harrass him about this next time i see him.

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post #25 of 64 (permalink) Old 10-19-2008, 12:48 AM
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Yea, I have a giant "turbo" socket just for that. It's pretty common that those are rounded. The jiffy lube type places pull he fill plug every oil change (fishing for upsells) and over torque the crap out of the fill plugs.
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post #26 of 64 (permalink) Old 10-19-2008, 09:24 AM
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That plug wasn't totally rounded, if it hadn't had 2 gazillion ft. lbs of torque, it would have been fine. The wrench only slipped off twice. But damn did I have a shitty day yesterday.

Lesson learned, fill plug first from now on.

The front drain plug never did break loose tho.

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post #27 of 64 (permalink) Old 10-19-2008, 01:51 PM
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Sam

I know it started out to be a simple drain/refill of the diffs and turned into "Change all fluids". It sounds like a lot and alot of cost but you can do it over time to spread the cost out. You should change all fluids sooner or later. It will prolong the life of yout 4runner. It's good to be a part of doing the service, like at a HOW, so you know and learn about your vehicle.

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post #28 of 64 (permalink) Old 10-19-2008, 05:27 PM Thread Starter
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LOL THANKS EVERYBODY!!! It was certainly quite and adventure lol...we took 2 hours and only got half of it done...lol the front NEVER got done that plug was SO on there and didnt wanna move...as we found out lol...same with the rear maybe if we can at some point figure out how to take care of it my dad has an impact driver...or i could always heat it up in 4wd before we attempt and see if that works? lol but thats everyone for the extreme help I CERTAINLY wouldnt have been able to do it AT ALL...lol and yes i made it to work in 30 mins clear across town lol...

oh and we almost got troy and doug ran over by my 4Runner lol...they didnt tell me to put the E brake on and back in first gear after spinning my tires and topping off the rear fluid...so when the jack came down the car was still on a bit of an incline and came rolling down..but we stopped it thank god...

Yeah I am a girl can you handle it?
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Last edited by 4Runner_Girl; 10-19-2008 at 05:32 PM. Reason: cause
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post #29 of 64 (permalink) Old 10-19-2008, 05:29 PM Thread Starter
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Quote:
Originally Posted by RedRunnertc View Post
It's actually a manual transmission, Brian!

Holy shnikes that had to be the hardest diff fluid change EVER!
yeah its a manual i wont settle for anything else...lol thats all i have driven...

Yeah I am a girl can you handle it?
~Silly boys trucks are for girls~
~Samantha~
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post #30 of 64 (permalink) Old 10-19-2008, 05:30 PM Thread Starter
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Quote:
Originally Posted by Quick Draw View Post
Well somebody...(Grandpa Doug ) didn't take the advice to open the fill plug first... And sure enough, after all the fluid was out, that damn fill plug would not pop loose. Ended up having to weld a breaker bar to it, after they rounded the bolt.
lol its a learning experience for all lol...

Yeah I am a girl can you handle it?
~Silly boys trucks are for girls~
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