How to Replace Front Differential GMC Yukon Chevy Tahoe Suburban Avalanche GM GMC Truck SUV

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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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*As an Amazon associate I earn from qualifying purchases.
The video is for your entertainment only. I’m just some idiot on the internet working on crappy cars and trucks. So if you are following any of my video for actual knowledge - do so at your own risk.
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Tags:
#GMCYukon
#Chevytrucks
#GMCtrucks
Please Note: This video description contains affiliate links, which means that if you click on one of the product links above, I will receive a small commission. This helps support this channel and allows me to continue to make videos like this. Thank you kindly for your support!

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Опубликовано:

20 июл 2024

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Комментарии : 59

@WiringRescue 2 года назад

Thank You for Watching the front differential replacement video! Subscribe To This RU-vid Channel: ru-vid.com Follow Me on Instagram @Ratty_muscle_car : instagram.com/ratty_muscle_car

@jeffbaker5038 11 месяцев назад

Great no nonsense tutorial. Thanks for posting this. I'm about to have to do my 05 AWD Yukon.

@WiringRescue 11 месяцев назад

I’m glad you enjoyed it! Thanks for watching!

@bobandy3097 10 месяцев назад

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!

@WiringRescue 10 месяцев назад

I’m glad that you found it helpful! Good luck with your project!

@theformula1dude 2 года назад

Very helpful! Only problem was re- assemble was a nightmare. 7 hours but worked from underside on the ground. Thanks again for that video.

@WiringRescue 2 года назад

Glad to hear it helped you out!

@ChoicesAndTradeOffs-tt3rp 8 месяцев назад

Thanks for taking the time to make this video. Definitely help speed up the process. GOD BLESS

@Indyhussle 5 месяцев назад

This was super helpful. I’ll be doing mine in the next week or two. Great video!!

@amandeepkang4422 3 года назад

Awesome vid! So easy to follow.

@WiringRescue 3 года назад

Thank you! That's my goal - to take the scariness away from automotive projects. Thanks for watching!

@24MartinONDS 18 дней назад

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?

@theusconstitution1776 2 года назад

THIS IS THE BEST ON YOU TUBE! THANK YOU! DID YOU REPLACE THE BEARINGS AND SEALS?

@WiringRescue 2 года назад

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.

@robertmccully2792 3 года назад

You make good video’s, keep them coming.

@WiringRescue 3 года назад

Thank you! I really appreciate that! I'll keep making them if people keep watching!

@yourfavoriteforeignmovie4167 Год назад

Thanks for posting this video. Did you end up using a jack to lower the diff or to raise the replacement into place?

@vmrobles21 7 месяцев назад

Great video buddy

@dabittyslaya Год назад

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!

@AndreKuykendall-lk1cl 8 месяцев назад

Great video, sorry about the ant lol..

@tetrahydro7353 2 года назад

4:45 unintentionally hilarious 😂😂😂

@WiringRescue 2 года назад

I also think I’m hysterical, but I’m biased. Thanks for watching!

@ZBrink11 Год назад

Great and helpful video! Do you think this is the same for 00' to 06' Yukons? Anything you know of which is different?

@WiringRescue Год назад

I think it would probably be very similar, but I don’t know whether there are any differences.

@ZBrink11 Год назад

@@WiringRescue Fair enough, thanks for responding!

@n_giantyeti Год назад

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?

@WiringRescue Год назад

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. :/

@moirapycklz Год назад

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

@moirapycklz Год назад

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

@zachcraig4777 Год назад

Is that a 4g63t I see in the background towards the end of the video....? 👀👀👀👀🤔

@coolpants99 2 года назад

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?

@WiringRescue 2 года назад

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.

@Srdelkuerno 2 года назад

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?

@WiringRescue 2 года назад

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.

@Srdelkuerno 2 года назад

@@WiringRescue thank you i appreciate your fast reply

@jesusmontoya9879 2 года назад

How'd you manage to get it in and out without removing the steering rack?

@jesusmontoya9879 2 года назад

Ahh i see, its a regular style rack.. well this job just got a lot more fun for me

@michaelnicoletta5519 2 года назад

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.

@WiringRescue 2 года назад

Check your driveshaft universal joints too!

@antoniop5889 2 года назад

Mine is too. My bushing mounts are bad whole front differential moves. 07 escalade. Also hesitates to pickup speed sometimes

@JohnsTrainVideos Год назад

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.

@WiringRescue Год назад

Just buy a low mileage trailblazer SS and start fresh!

@josuehernandez6759 Год назад

Wow how much will all that labor cost??

@dantheisen1227 4 месяца назад

Is this the same for the 2014-2018 generation? I need to replace mine on my 2016 Silverado 1500

@WiringRescue 4 месяца назад

It’s technically a different generation so I imagine there will be some differences. The overall idea will be very similar though.

@dantheisen1227 4 месяца назад

Any more pointers for getting the differential back in? Did you use a jack or lift it in?

@osirisone6019 7 месяцев назад

Save me another 500$. Thanks again 🕺

@WiringRescue 7 месяцев назад

Mint! Happy to help!

@handsfree3221 2 года назад

How do I remove the mount on driver side

@NORCALPYRO_ Год назад

There 2 bolts that mount it to the frame and youll need a 15mm from the top engine bay...

@rogergoodman8665 3 года назад

Is the Lemans project still alive?

@WiringRescue 3 года назад

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.

@rogergoodman8665 3 года назад

@@WiringRescue : Bummer! At least I know now.

@WiringRescue 3 года назад

@@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.

@odiarroyo6144 3 года назад

can you drive the car with out it?

@WiringRescue 3 года назад

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.

@dallaswheeler2094 Год назад

Fix it felix

@tomaszmaslany9848 3 месяца назад

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

@WiringRescue 3 месяца назад

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.