How to Replace Front Differential GMC Yukon Chevy Tahoe Suburban Avalanche GM GMC Truck SUV
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- เผยแพร่เมื่อ 5 ส.ค. 2024
- In this video, I show how I replaced the front differential in this 2011 GMC Yukon. This truck has around 110,000 miles, and had a loud whining noise coming from the front differential when the transmission was set to "auto" mode. Setting it to "2wd" would make the drivetrain whine go away. This problem happened because it was kept in "auto" mode its entire life. If the truck was kept in "2wd" mode instead, the front differential likely would not have worn out. So after this repair, it will be kept in "2wd" and only switched to "auto" when the road conditions deem it necessary.
This procedure is likely very similar for many GMC and Chevy Trucks, Tahoe, Suburban, Denali, Avalanche, Escalade, Silverado and Sierra.
SKIP AHEAD LINKS:
0:00 how to replace a front differential
0:24 Remove the shield
0:40 Drain the front differential fluid
0:56 Remove the 4wd axle actuator connector
1:14 Remove the 6 axle bolt in each axle
1:30 Disconnect the differential breather hose
2:04 Un-clip the actuator wiring
3:01 Disconnect the driveshaft
3:30 Remove the frame crossmember
4:14 Remove two passenger side differential nuts
4:22 Remove two driver side differential bolts
4:52 Remove the front differential from the truck
5:43 Install the differential into the truck
6:28 Install the driveshaft
6:43 Install the frame crossmember
7:13 Reconnect the 4wd axle actuator connector
7:22 Reconnect the differential vent hose
7:47 Install the 6 axle bolts in each axle
7:58 Fill the front differential with 75w-90 Synthetic fluid (~1.5 - 1.75 quarts)
9:39 Double check that everything is tight & connected
10:00 Test drive the truck
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Tags:
#GMCYukon
#Chevytrucks
#GMCtrucks
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Great no nonsense tutorial. Thanks for posting this. I'm about to have to do my 05 AWD Yukon.
I’m glad you enjoyed it! Thanks for watching!
Getting ready to re=gear my 08 Avalanche so I found your video. I appreciate you sharing this. It made the task seem much less daunting. Much appreciated!
I’m glad that you found it helpful! Good luck with your project!
Very helpful! Only problem was re- assemble was a nightmare. 7 hours but worked from underside on the ground. Thanks again for that video.
Glad to hear it helped you out!
Thanks for taking the time to make this video. Definitely help speed up the process. GOD BLESS
This was super helpful. I’ll be doing mine in the next week or two. Great video!!
Awesome vid! So easy to follow.
Thank you! That's my goal - to take the scariness away from automotive projects. Thanks for watching!
Great video buddy
You make good video’s, keep them coming.
Thank you! I really appreciate that! I'll keep making them if people keep watching!
Great tutorial have to do this on my escalade.
how severe would you consider the frame rust on the shown vehicle?
Does it affect the structural strength? Are the gmt900 frames known for any rusting out parts?
Great video, sorry about the ant lol..
THIS IS THE BEST ON YOU TUBE! THANK YOU!
DID YOU REPLACE THE BEARINGS AND SEALS?
Thank you! I didn’t replace the bearings or seals. I just heaved the whole thing in and drove it. That being said, it may be smart to do bearings and seals as long as you know that the diff itself is in good shape. It would suck to put bearings and seals in and then find out the replacement diff is junk.
Great video. I have an 07 avalance that was doing the same whirring noise when I left off the gas, got up to certain speeds. Mechanic told me put in 2wd. I just changed the fluid, it's better but the noise is still present. My questions are
1. is a junk yard dif worth it
2.would leaving it in 2wd cause also cause quick deterioration like being kept on auto
3. Why would leaving on auto cause the front to just go bad, not the back as well?
4. Could you fill the new dif up with fluid before mounting? Seeing how much of a pain it is to fill? Thanks in advance!
Thanks for posting this video. Did you end up using a jack to lower the diff or to raise the replacement into place?
4:45 unintentionally hilarious 😂😂😂
I also think I’m hysterical, but I’m biased. Thanks for watching!
Did you have to put the vehicle in neutral to remove the front driveshaft from the front diff? Also, did you spin the cv axles as you were loosening the 6 bolts on their flanges?
Sorry for the delayed response - I actually don’t remember what I did because this was a while ago. I may have spun the axles and driveshaft, but I just don’t remember. :/
I had to put mine in neutral and then pry the end of the u joints out with a pry bar. 1a auto has an excellent video tutorial, i looked up 02 tahoe frint driveshaft removal and it was the first google result. Helped me a ton - 2002 tahoe 5.3 4wd
1a said they get rusted together took almost no effort to break em loose and get the shaft out of the way hope this helps anyone who finds this
Great and helpful video! Do you think this is the same for 00' to 06' Yukons? Anything you know of which is different?
I think it would probably be very similar, but I don’t know whether there are any differences.
@@WiringRescue Fair enough, thanks for responding!
Dealer says there's PLAY in my front dif. Truck drives fine tho. Can I go forward with underneath rust remediation and spray before fixing front dif?
Well, it depends. If the front diff isn’t making a bunch of noise now, it could start soon, or maybe it won’t. If you are paying someone to fix it, you may want to get an estimate to fix it just in case it’s more than the truck is worth (depends on the trucks condition and if you are getting a new vs. used diff). If the repair is an acceptable price, go ahead and have the rust situation done. If the repair is going to outweigh the value of the truck, rust repair would be a bad investment.
I just did same thing on my 2012 silverado with 8.25 but im having a problem, the front wheels seem to spin faster. Why would this happen is i swapped it with anothee 8.25 front diff?
It has a different gear ratio. The external housing can be the same, but with different gears on the inside. You’ll have to swap yours over, or get a different front differential altogether. Sorry about the bad news. That’s a bummer.
@@WiringRescue thank you i appreciate your fast reply
How'd you manage to get it in and out without removing the steering rack?
Ahh i see, its a regular style rack.. well this job just got a lot more fun for me
Save me another 500$. Thanks again 🕺
Mint! Happy to help!
Is that a 4g63t I see in the background towards the end of the video....? 👀👀👀👀🤔
My diff is moving and cluncking when I put 5he car in gear. I think the mount broke or the bolts to the mount broke.
Check your driveshaft universal joints too!
Mine is too. My bushing mounts are bad whole front differential moves. 07 escalade. Also hesitates to pickup speed sometimes
Is this the same for the 2014-2018 generation? I need to replace mine on my 2016 Silverado 1500
It’s technically a different generation so I imagine there will be some differences. The overall idea will be very similar though.
Any more pointers for getting the differential back in? Did you use a jack or lift it in?
I wanted to do a front and rear Torsen or TruTrac upgrade on my Trailblazer but time got away from me and now it's time to send that old truck down the river.
Just buy a low mileage trailblazer SS and start fresh!
How do I remove the mount on driver side
There 2 bolts that mount it to the frame and youll need a 15mm from the top engine bay...
Wow how much will all that labor cost??
Is the Lemans project still alive?
Hey Roger! It’s a bit of a long story. The short version is that it’s gone. :( I keep intending to finish the final video on it, but just haven’t yet. Hopefully the followers of the project will forgive me.
@@WiringRescue : Bummer! At least I know now.
@@rogergoodman8665 - don’t fret, I’ve got more cars that I’ve never posted before, and I’m looking at another VERY ratty muscle car this weekend. Hopefully I can acquire it, because it would be funnnnn.
can you drive the car with out it?
Honestly I’m not sure. You would probably need to keep the axle ends going through the hubs. So you make need to take the axles apart. But it seems somewhat doable to me.
Fix it felix
love how Americans describe the metric-size bolts 13 mill bolt 15 mill nat 21mill bolt how you call the Philips head metric bolt or flat-head metric bolt what happens if you need stud is 13 mill 15 mill maybe 21mill and where you going to find 13mm bolt or 15 or 17 or 19 or 11 or 9 WTF got your self CALIPER this is just simple hardware
The video is about swapping a front differential, and I’m telling people what size the heads of the bolts are so they know what sockets they need. I am not talking about the stud sizes because those don’t matter for this job. Vernier calipers have no use in a front diff swap.