How to Change a 4th Gen 4Runner’s Rear Differential Fluid
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- Опубліковано 5 кві 2023
- Let’s be honest with ourselves here, it’s probably time we change our 4Runner’s rear diff fluid. It always ends up being one of those things we’ll do later, or something we assume has been done before.
For my truck, I used the high quality Redline 75w90 synthetic gear oil. This stuff is incredible! I highly recommend picking it up. I also used Toyota washers as they were cheap and I like to keep it OEM. As mentioned in the video, the rear diff takes about 3.2 quarts of fluid and is full when it leaks out the fill plug.
Redline 75w90:
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Hand pump:
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Just picked up a 05 that was going to be sent to scrap yard. Has rust and wouldn't pass inspection. 100,000 miles runs and drives great everything works. I believe i saved this 4 runners life.
Nicely done!! Way to keep the 4th gen alive.
Keep these coming! Perfect tutorial
Thanks so much!
Great video! I’d love to see a video on the front differential fluid
Coming out soon!!
You should do a transmission fluid tutorial
I’ve considered it, but with it being a sealed unit I’ve held off for now!
No rust! Great video and editing! Any chance a regular brass washer will work?
Thanks!! I’d definitely recommend getting the Toyota washers as a leaky diff is never fun!
Thanks for the video! Maybe this is not important but I noticed that Redline 75W90 come in a limited slip and non limited slip version. I also have a 4th gen 4runner but it's just a 2wd. From what I've read it doesn't have an LSD, but that ATRAC system that mimics an LSD. Do you think it matters which type of fluid you put in?
I’m not too sure which one would be best to be honest. This is a great question. I would probably chose whatever has the most similar compound to the Toyota OEM spec.
did that pump come with the red line gallon? Or did you have to get that separately?
Hey Doug! I bought it separately. I have the link in the description! Super handy.
Can I do the same process on an 07 v6 sr4 4wd? I know yours is a v8. Any difference?
Exact same process! Thanks for stopping by!
I’m a little confused, isn’t a gallon more than enough if it holds 3.2 quarts…
I don’t recall what I said, but being Canadian I can only assume I was wrong! Litres litres litres!
No worries I thought I might be crazy. Very glad I came across this video just got a 03 4runner trying to stay on top of maintenance, great stuff!
Congrats on the purchase and welcome to the 4th gen club!
@@looseaxles haha don't worry we have to look up conversions to our stupid measurements all the time! #metric-is-superior
why you used 75w 90 not 75w 85...just curious
The 90 weight was significantly easier to find and I love the quality of redline products!
I went to the dealership the other day to ask them what they use in the rear diff. They said 75w-85. It’s not readily available so I asked them if they had containers of -85. They did. For $112 a can. I said no thanks and went to auto zone to pick up royal purple 75w-90
They just tried to hit me at the dealership with a $200 fee to change this 🙃
You can now do it for half price and have the tools for next time!