TIP : Always check the rear axle vent valve/tube for blockage. Mud can easily clog it, if the hose hasn't been extended. Most vent valves are located on top of the axle housing , to the left side of the fill plug. Clogged up vent can blow the seals out and lose fluid. Thanks for the great videos ! edit I had to learn that the hard way and replace a seal AND bearing. ALSO EXTREMELY IMPORTANT : DO NOT TRY TO FORCE IT OFF to replace it. The valve CAN break off ! Then you have a major problem. Vaccum it out with a turkey baster etc.
Love your videos! Just bought a 1996 4R 4wd manual trans with 140k miles. It's a rust belt car, so there is some rust, but not terrible. I hope to learn a lot about these cars from your channel. Thanks!
Love your channel! Very informative! I bought my first 3rd gen 4runner a couple months ago and I used your channel as a great guide to inspect my 4runner, before I purchased her!
I just did mine. It was a full quart low! I added the quart it needed and drove it for a few miles and drained and filled it. I plan on doing it every 50k
Good to see you , it's been a while since you posted. I replaced all my fluids while I had mine up on a lift a while back. Bringing back some memories.
Never knew you needed to change the reae differential gear lube. Thanks for the video. I was always thought to fill gear lube from the drain hole until the fluid comes out from the top. Do it until you see fluids coming out the top hole and all the air bubbles are gone. I think if you fill from the top you'll actually add air bubbles into it and filling from the bottom will push all the air out the top. At least that was the way we did it for outboard motors.
Glad to help. What you are stating only applies to outdrives on boats. Not for trucks. I do that for my volvo outboard. Generally, you don't need to change the fluid since like i mentioned, my dad has gone 300-400k miles in each of his trucks without ever touching that oil lol! he has a 1985 red (engine died), 1986 blue (engine died, fixed, then sold), 1985 red (this one is fresh rebuilt so likely new fluids) lol.
I think also the outdrive has issues getting oil into certain places so doing it from there bottom helps fill those cavities. Not so much an issue with these differentials on trucks :)
Hey Bro I really appreciate you taking the time to talk about your 4-Runner I just bought one a 1996 Limited edition and anything you can add to help me with this is much appreciated. I subscribed to your blog and I will be checking in on the regular basis for more information. 😎👌🏽✌🏾
Love your well explained videos. I've some some things on my surf after watching your videos. Have you done a front diff oil change. I can't find the drain and fill plugs. Also when i did my breathers i couldn't trace the old front diff breather hose back to the diff so i just connected onto the end of the old breather hose. Keep up the great videos.
I appreciate your videos man, they are very helpful! I had question for you, Timmy the tool man on his rear diiferential uses 75-90 in his. I see you used 80, does it matter which one I use?
Should be fine with either. The first number is the cold number and unless you’re in freezing temps, it won’t matter. The spec is 80w90 though per the manual. 75w90 is for the transfer case
i gotta find someone in my area to clean off all the underbody rust !!! then maybe i can get to the rear differential ! so hard to find anyone to clean undercarriage rust...I dont get it...dont people want to make some money!! i would do it but im a female and im 63 and work full time 6 days a week..im tired !! lol....great video !!! if anyone reading these comments live in the so burbs of chicago and can clean underbody rust as good as PHORUNNER... please respond to this comment !!
If you google 4runner rust problems ,you will see why. They won't take the chance of being held liable if a frame snaps or front wheel breaks loose. Certain years, rust from the inside out. FRAME not body ! Lawsuits are everywhere because Toyota scewed up but refuse to be held accountable. GET IT INSPECTED ! The rust can create dangerous problems. According to what year it is. edit inspected by someone who is aware of the frame rusting from inside out. It can LOOK solid but be ready to literally break in half.
@@allenh7835 thanks for the info...i have a 98 4runner and a 97 rav4... both were looked at by a toyota dealer...they said yes there is a lot of rust but frame not rusted thru YET.. so thats why i want someone to do the major scraping off of the rust.. toyota dealer had it up on the lift so i know they wouldn't put it up on a lift if they thought it wasn't safe..thanks for your info thou
Thanks for putting together this great detailed video. If I am doing the rear differential fluid change only, you stated that I need 2 crush washers Part # 121157-10010. Does the fill and drain plugs use the same washer?
@@PhoRunner Did you drop it off at a place in Cali? I’m wondering because the place I’ve heard a lot about is East Coast Gear Supply which is… on the East Coast! If there was a ship in California that would be much closer ?
Great video, thank you so much! One question though, where do you get those schematics that you insert in your videos? I would love to have that resource as well for reference 😀
Hey, this isn’t at all related to the video but I remember in one of your comments on a video you mentioned your drum brakes in the back were sticking? I’ve been having some symptoms that make me think the same, and I was wondering what you did to identify the problem and solve it? Did you replace the drums? Reman them a bit? Replace the shoes? Thanks!
I took a temperature of the drum after a drive and noticed the temps are significantly hotter on the driver side than passenger. I haven’t taken care of it yet but I suspect new pads and resurfacing the drum or replacing them and new hardware would solve the issue. I tried lubricating the hardware but still same problem
i had 2001 4 runner i'm the first owner.. low mileage 115K.. no accident still in good shape interior and exterior..do you think i can instal the same tire and wheel on my 4 runner? already lifted 2.5 inches.. thanks again bro
Might be real close to the upper control arms if you go 285 size tire. If you wanna play it safe, I’d try 285/70/17 instead. Might still be close unless you get aftermarket control arms
@@PhoRunner I got the right oil. Not gonna use this stuff I had. Do you use a friction modifier with it? My F350 Diesel it's recommended to use that friction modifier with
@@PhoRunner thank you so much for the reply. I was asking because I have seen many videos and in most of them they use the Mobil 1 75W-90 but as you said the manual says 80W-90
@@PhoRunner hey thanks I have the same one 5 speed was just try ING to get info on transfer case and front and back diff to change oils and what type s of oil.
Ok, so no kidding? I don't have to undo 10 of the 3/8 bolts, find a new gasket, reinstall, tighten those 10 bolts in criss-cross pattern to spec? It really is this ez?? Shoulda given up on Jeeps a loooong time ago.
@@PhoRunner would you mind doing video on fixing the IAC? There's others out there, but your videos are so straightforward it makes the project so much easier.
@SimpleBelieverInChrist It’s too hot in my garage to film (90-100F). But just take it apart and carb cleaner. The hoses can be a painnn to reach to get it back on
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TIP : Always check the rear axle vent valve/tube for blockage. Mud can easily clog it, if the hose hasn't been extended. Most vent valves are located on top of the axle housing , to the left side of the fill plug. Clogged up vent can blow the seals out and lose fluid. Thanks for the great videos ! edit I had to learn that the hard way and replace a seal AND bearing. ALSO EXTREMELY IMPORTANT : DO NOT TRY TO FORCE IT OFF to replace it. The valve CAN break off ! Then you have a major problem. Vaccum it out with a turkey baster etc.
I have it extended for the gas cap :)
@@PhoRunner I'm looking for this vent. I just replaced the bearing and seal on one side due to its leaking.
Excellent as always man.. cheers from Georgetown Guyana, South America.
Hello friend!
Love your videos!
Just bought a 1996 4R 4wd manual trans with 140k miles.
It's a rust belt car, so there is some rust, but not terrible.
I hope to learn a lot about these cars from your channel.
Thanks!
Cool! Welcome!!!
Love your channel! Very informative! I bought my first 3rd gen 4runner a couple months ago and I used your channel as a great guide to inspect my 4runner, before I purchased her!
Glad you’re enjoying it!!!
Same here!
I just did mine. It was a full quart low! I added the quart it needed and drove it for a few miles and drained and filled it. I plan on doing it every 50k
Lol nice. Where did the 1 quart go! Make sure you check the breather and drums in case it leaks out over there
Good to see you , it's been a while since you posted. I replaced all my fluids while I had mine up on a lift a while back. Bringing back some memories.
Lol hello! It’s been a busy month regearing my diffs
Nice video man! Thanks for all the info about these 3rd gens
No prob!
Never knew you needed to change the reae differential gear lube. Thanks for the video. I was always thought to fill gear lube from the drain hole until the fluid comes out from the top. Do it until you see fluids coming out the top hole and all the air bubbles are gone. I think if you fill from the top you'll actually add air bubbles into it and filling from the bottom will push all the air out the top. At least that was the way we did it for outboard motors.
Glad to help. What you are stating only applies to outdrives on boats. Not for trucks. I do that for my volvo outboard.
Generally, you don't need to change the fluid since like i mentioned, my dad has gone 300-400k miles in each of his trucks without ever touching that oil lol! he has a 1985 red (engine died), 1986 blue (engine died, fixed, then sold), 1985 red (this one is fresh rebuilt so likely new fluids) lol.
@@PhoRunner thank you, very insightful info.
I think also the outdrive has issues getting oil into certain places so doing it from there bottom helps fill those cavities. Not so much an issue with these differentials on trucks :)
Hey Bro I really appreciate you taking the time to talk about your 4-Runner I just bought one a 1996 Limited edition and anything you can add to help me with this is much appreciated. I subscribed to your blog and I will be checking in on the regular basis for more information. 😎👌🏽✌🏾
No problem!! I got a new video coming soon about what I would do first if I got me a new 4runner. Should help all the new owners out
Love your well explained videos.
I've some some things on my surf after watching your videos.
Have you done a front diff oil change. I can't find the drain and fill plugs.
Also when i did my breathers i couldn't trace the old front diff breather hose back to the diff so i just connected onto the end of the old breather hose.
Keep up the great videos.
I appreciate your videos man, they are very helpful! I had question for you, Timmy the tool man on his rear diiferential uses 75-90 in his. I see you used 80, does it matter which one I use?
Should be fine with either. The first number is the cold number and unless you’re in freezing temps, it won’t matter. The spec is 80w90 though per the manual. 75w90 is for the transfer case
Thanks for the tutorial. Not for nothing but torque is measured in pound-feet, not foot-pounds.
You are correct
Love the content man, keep up the good work!
Thanks!
I love your vids. Put more out. How about a thermostat change.
Or change the blinker fluid.
Lol been busy again! Got a few planned for yall
Thanks for the video, I plan on doing this soon.
Excellent
For the front differential is same gear oil?
75w90 but I run 80w90 also. Close enough.
Very clean and nice video! hope you own 4th gen 4runner and put videos too!
I almost bought one haha. Kinda wish I did! V8 4x4 170k miles for 9k but I passed sadddd day
@@PhoRunner i bought v8 with 230k miles on. Runs smooth but wear and tear here and there. It would be great if I could fix her up with your channel!
Thank you very much for this great video. I have a 2000 4Runner SR5, how many quarts did you use to drain and refill the rear differential?
Check my video description but 3 qrts should be enough
@@PhoRunner Thank you!
i gotta find someone in my area to clean off all the underbody rust !!! then maybe i can get to the rear differential ! so hard to find anyone to clean undercarriage rust...I dont get it...dont people want to make some money!! i would do it but im a female and im 63 and work full time 6 days a week..im tired !! lol....great video !!! if anyone reading these comments live in the so burbs of chicago and can clean underbody rust as good as PHORUNNER... please respond to this comment !!
I was just in Chicago back in August. I loved it!! Hope you find someone to help you!!
If you google 4runner rust problems ,you will see why. They won't take the chance of being held liable if a frame snaps or front wheel breaks loose. Certain years, rust from the inside out. FRAME not body ! Lawsuits are everywhere because Toyota scewed up but refuse to be held accountable. GET IT INSPECTED ! The rust can create dangerous problems. According to what year it is. edit inspected by someone who is aware of the frame rusting from inside out. It can LOOK solid but be ready to literally break in half.
@@allenh7835 thanks for the info...i have a 98 4runner and a 97 rav4... both were looked at by a toyota dealer...they said yes there is a lot of rust but frame not rusted thru YET.. so thats why i want someone to do the major scraping off of the rust.. toyota dealer had it up on the lift so i know they wouldn't put it up on a lift if they thought it wasn't safe..thanks for your info thou
Thanks for putting together this great detailed video. If I am doing the rear differential fluid change only, you stated that I need 2 crush washers Part # 121157-10010. Does the fill and drain plugs use the same washer?
Great video! How much does a re-gear job go for? Also, I believe you’re somewhere in SoCal. What shops do you recommend?
I’m in central Cali. About $500 per diff if you drop off is what the price is usually.
@@PhoRunner Did you drop it off at a place in Cali? I’m wondering because the place I’ve heard a lot about is East Coast Gear Supply which is… on the East Coast! If there was a ship in California that would be much closer ?
I did it myself :). Find a gear installer in your town and read some reviews. Should have someone nearby
Amigo love your videos! Question what model of ligh is that one in the rear of your 4runner (on the roof white and amber color)? Do you have the link?
Love to hear a review on the gear upgrade! I know I’ll have to do one with my ‘97, but I’m torn on either 4.56’s or 4.88’s….
488 for sure for 33-35! It’s running great and I’ll probably do some video for it. The job isn’t too easy but I can talk about my experience lol…
Great video, thank you so much! One question though, where do you get those schematics that you insert in your videos? I would love to have that resource as well for reference 😀
It’s from the factory service manual. You can find it online if you search for it.
Hey, this isn’t at all related to the video but I remember in one of your comments on a video you mentioned your drum brakes in the back were sticking? I’ve been having some symptoms that make me think the same, and I was wondering what you did to identify the problem and solve it? Did you replace the drums? Reman them a bit? Replace the shoes? Thanks!
I took a temperature of the drum after a drive and noticed the temps are significantly hotter on the driver side than passenger. I haven’t taken care of it yet but I suspect new pads and resurfacing the drum or replacing them and new hardware would solve the issue. I tried lubricating the hardware but still same problem
PhoRunner Channel Thanks, has the drums sticking created any abrupt stopping at low speeds?
I don’t notice anything
I tried va online gear oil and it drive loud, change back to RedLine and it runs good again. How do you rate Lucas gear oil?
I can’t tell the difference to be honest. I used the cheap supertech for break in and didn’t notice anything either
Love this dude!
Thanks bro
So my 4 runner is very rusty, it seems to have a leak somewhere on the back, can it be leaking from that bolt that holds on the PBrake line??
bro what size wheel and tire you installed in your 4 runner 2001 3rd series? thanks
Mines a 99 and those are 285/75/17 on 17” trd pro wheels
@@PhoRunner thanks bro!! always watch your youtube!!
i had 2001 4 runner i'm the first owner.. low mileage 115K.. no accident still in good shape interior and exterior..do you think i can instal the same tire and wheel on my 4 runner? already lifted 2.5 inches.. thanks again bro
Might be real close to the upper control arms if you go 285 size tire. If you wanna play it safe, I’d try 285/70/17 instead. Might still be close unless you get aftermarket control arms
Can we use 75-140 full synthetic I happen to have several quarts? Temperature down here is 107 highest to 97 on average in summer!
I would buy the right oil…. But I know some are using this when they regear
@@PhoRunner I got the right oil. Not gonna use this stuff I had. Do you use a friction modifier with it? My F350 Diesel it's recommended to use that friction modifier with
@roofermarc1 I use just the oil
Can I use also de Mobil 1 75W-90 or is better the Lucas 80W-90?
Don’t think our Toyotas are gonna care but spec is 80-90 in rear
@@PhoRunner thank you so much for the reply. I was asking because I have seen many videos and in most of them they use the Mobil 1 75W-90 but as you said the manual says 80W-90
@@PhoRunner what’s the difference anyways?
Is the same procedure for a 2WD?
Yes. Just oil capacity is slightly different for non locker diffs. Check my description.
Thank you! 😊
What if you can’t get the fill plug off?
Don’t change the oil. The oil last pretty long so just leave it til it leaks haha
What ur model is this 4runner in video
Sr5 99
@@PhoRunner hey thanks I have the same one 5 speed was just try ING to get info on transfer case and front and back diff to change oils and what type s of oil.
I got vids on it. All the oil and capacity are in those videos
@@PhoRunner hell yeah 👍
The rear diff on my 2002 has start to leak from the top above the fill point.
Sounds like rusted through. Try some jb weld as a temp solution while you source a new axle. Better if it’s an elocker + axle
@@PhoRunner i have a Chicago Electric 120 volt welder. I will drain it, sand all the crud off and weld it shut.
Please provide your shipping address, I will send you samples for testing.
Anyone use 75w-90 in this gen 4runner?
I’m sure it’ll be fine.
Didn't this guy get his 4runner stolen? I forgot about that video
It was an April fools joke….
Oh I didn’t watch that far
Can I use 75w-90?
Ok, so no kidding? I don't have to undo 10 of the 3/8 bolts, find a new gasket, reinstall, tighten those 10 bolts in criss-cross pattern to spec? It really is this ez?? Shoulda given up on Jeeps a loooong time ago.
Lol. It is that easy… but you Might have rust problems though with yotas lol
@@PhoRunner would you mind doing video on fixing the IAC? There's others out there, but your videos are so straightforward it makes the project so much easier.
@SimpleBelieverInChrist It’s too hot in my garage to film (90-100F). But just take it apart and carb cleaner. The hoses can be a painnn to reach to get it back on
@@PhoRunner ok, last thing- I have two v's that I think you would appreciate. Can't say more or I get dinged