15 thoughts on “Toyota tundra rear differential repair”
I watched this originally when you put it up, it still is remarkable what you could achieve in that little shop of yours and your noggin full of experience. My gawd that frame was rough. Thanks, for all the great content you have outputted over the years.
The rust really bothers me. There's no way in hell I would ever live in the rust belt of the US because of this reason, unless I was wealthy enough to buy a new vehicle every few years, even then how could you be proud of a nice vehicle knowing the underneath is rusting out. Pisses me off and I don't even live there. I live in Oklahoma, own a 2006 Tundra with 103,000 miles and the black factory paint underneath stills looks new with factory sku number stickers on all the parts still present and all bolt heads are a shiny silver.
One gallon of 30w bar and chain oil and one tube of Lucas red tacky grease heated up in a crockpot and spray it on with your undercoating gun works excellent. 😜
Need to find someone who can bare with me.lots of questions and going to keep this 2005 Toyota tundra 222000 miles and it has become a friend who needs to run to the end of my day's. Very sentimental to me thank in advanced
You're right that undercoating is junk ! I live in Edmonton Alberta Canada and that would never serve its purpose up here ! Glad you showed us that ! 👍👍👍
Hi, I'm hoping you might help me. I have a 94 pickup 4×4 with 172k miles that has a leaking rear diff at the 3rd member. I already replaced the pinion seal so it's the paper gasket at the 3rd member that's still leaking. So that said, I've decided to go all out and put in a 1st gen Tundra axle / diff because I've already lifted the truck ~4" and really want the wider track which will be ~2.5" additional per side. I'm also installing a long travel kit on the front so it too will be wider, about 2" per side. I have 33" tires so the goal is to buy a Tundra axle and swap in a new 4.88 gear set and either run the stock limited slip differential or spring for a new (or used) e-locker. If doing all this will I also need to modify my front differential gear set to 4.88 or can I leave them stock. I know my stock 8" rear has 4.56 gearing so I assume stock front is the same. Do they have to match? Any tips appreciated!
Wired wheel everything down on mine that was leaking about the 2 o'clock position on back cover then actually got some solder to stick to it real well and coated it with Por-15. Lol but now it has a small leak in the front of it I guess coming from seal behind flange? It's wet on the very top of flange area?
On my Toyota Tacoma I took a long air nozzle and blew as much dirt and rust out of the frame rails as I could. And now I’m gonna weld some patches over the holes. And then I’m gonna oil the daylights out of it. I’ve got a big industrial tank sprayer that I can pump up with the oil/diesel mix I’m going to use. Oiling inside and out.
What you guys have to put up with regards to rust. In Australia we have 40 year old cars that have less frame rust. Glad I don't have to put up with snow and salted roads.
I watched this originally when you put it up, it still is remarkable what you could achieve in that little shop of yours and your noggin full of experience. My gawd that frame was rough. Thanks, for all the great content you have outputted over the years.
I wonder if compressed air would peel off that black scale almost as good as a wire brush.
The rust really bothers me. There's no way in hell I would ever live in the rust belt of the US because of this reason, unless I was wealthy enough to buy a new vehicle every few years, even then how could you be proud of a nice vehicle knowing the underneath is rusting out. Pisses me off and I don't even live there. I live in Oklahoma, own a 2006 Tundra with 103,000 miles and the black factory paint underneath stills looks new with factory sku number stickers on all the parts still present and all bolt heads are a shiny silver.
One gallon of 30w bar and chain oil and one tube of Lucas red tacky grease heated up in a crockpot and spray it on with your undercoating gun works excellent. 😜
Need to find someone who can bare with me.lots of questions and going to keep this 2005 Toyota tundra 222000 miles and it has become a friend who needs to run to the end of my day's. Very sentimental to me thank in advanced
You're right that undercoating is junk ! I live in Edmonton Alberta Canada and that would never serve its purpose up here ! Glad you showed us that ! 👍👍👍
Hi, I'm hoping you might help me. I have a 94 pickup 4×4 with 172k miles that has a leaking rear diff at the 3rd member. I already replaced the pinion seal so it's the paper gasket at the 3rd member that's still leaking. So that said, I've decided to go all out and put in a 1st gen Tundra axle / diff because I've already lifted the truck ~4" and really want the wider track which will be ~2.5" additional per side. I'm also installing a long travel kit on the front so it too will be wider, about 2" per side. I have 33" tires so the goal is to buy a Tundra axle and swap in a new 4.88 gear set and either run the stock limited slip differential or spring for a new (or used) e-locker. If doing all this will I also need to modify my front differential gear set to 4.88 or can I leave them stock. I know my stock 8" rear has 4.56 gearing so I assume stock front is the same. Do they have to match? Any tips appreciated!
Nice job
I wonder how brazing would work to fill the hole 🕳.
Wired wheel everything down on mine that was leaking about the 2 o'clock position on back cover then actually got some solder to stick to it real well and coated it with Por-15. Lol but now it has a small leak in the front of it I guess coming from seal behind flange? It's wet on the very top of flange area?
On my Toyota Tacoma I took a long air nozzle and blew as much dirt and rust out of the frame rails as I could. And now I’m gonna weld some patches over the holes. And then I’m gonna oil the daylights out of it. I’ve got a big industrial tank sprayer that I can pump up with the oil/diesel mix I’m going to use. Oiling inside and out.
What kinf of oil do you recommend for undercoaring?
What you guys have to put up with regards to rust. In Australia we have 40 year old cars that have less frame rust. Glad I don't have to put up with snow and salted roads.
I’m was so glad when you said you were going to weld up the pinhole first
A pneumatic needle scaler would really clean that crap off the frame for you quickly..