What did you do to your NNBS GMT900 Tahoe/Yukon Today?

[Bigkevschopshop]

That is super clean. My fiancee wants to spiff up her Mazda 3. She wants to get it detailed and then we’ll see about adding some LED headlight bulbs and adding a factory fog light kit. After that, tint the windows

Sounds cool. Always nice when wife wants to play a bit.

 

[alpha_omega]

Question(s) for those of you who have replaced them. Engine motor mounts and “Transmission” mount.

Stick with OEM or has the community collectively found a better build quality with a different manufacturer?

If sticking with OEM - what is the difference in the ACDelco model numbers for their motor mounts (15854939 and 15854941)?

I’ve read a couple different postings on the do’s and don’ts from those who have taken on the task, but I couldn’t narrow down a specific brand since there were a few different names thrown around. Thanks.

 

[R3cord303]

Question(s) for those of you who have replaced them. Engine motor mounts and “Transmission” mount.

Stick with OEM or has the community collectively found a better build quality with a different manufacturer?

If sticking with OEM - what is the difference in the ACDelco model numbers for their motor mounts (15854939 and 15854941)?

I’ve read a couple different postings on the do’s and don’ts from those who have taken on the task, but I couldn’t narrow down a specific brand since there were a few different names thrown around. Thanks.

I went with the OEM H3 mounts on the engine that aren’t oil filled. It shakes a bit more, but my dash doesn’t rattle any longer. I don’t think my transmission mount has been replaced. Or if it has, it was with the transmission

 

[the_tool_man]

I'm having a HELL of a time getting motor mounts. I'm on vendor number 2. They're INSISTING on a VIN before they'll expedite the order with GM. This big brother draconian crap is driving me nuts. I looked up a valid VIN for an '09 Hummer H3 so it would match the motor mounts, and gave them my VIN for the transmission mounts. (holding breath)

 

[Doubeleive]

Question(s) for those of you who have replaced them. Engine motor mounts and “Transmission” mount.

Stick with OEM or has the community collectively found a better build quality with a different manufacturer?

If sticking with OEM - what is the difference in the ACDelco model numbers for their motor mounts (15854939 and 15854941)?

I’ve read a couple different postings on the do’s and don’ts from those who have taken on the task, but I couldn’t narrow down a specific brand since there were a few different names thrown around. Thanks.

engine motor mounts are recommended to be replaced with the hummer engine mounts, they are solid rubber versus the liquid filled, I do not have the part number handy but I am sure someone will post it up or link to the thread on it.

 

[the_tool_man]

I've chosen these, but have yet to successfully order them:

Motor mount [Hummer H3 solid rubber] (2): 25847739
Trans mount [GMC Yukon Denali AWD] (1): 15840278

The trans mount is no problem; stock part for my vehicle. The Hummer mounts are "on national backorder" with GM according to the sites I've used. They WILL NOT take an order without a valid VIN. Turns out, that part number is for one side (forget which). So even finding a valid VIN for a Hummer H3 gets flagged, because to them I'm ordering one of them wrong. I guess I could place separate orders, or find a second Hummer VIN. I'm going to see if RockAuto or another generic parts house has these. I'll have to pay more, but at least I'll get the parts. Sheesh.

EDIT: generic parts houses I checked are all out of stock. I guess word has gotten out on how good the H3 mounts work. I hate being the last one standing when the music stops.

 

[Kee Fuller]

Got rid of the liquid wrap and In the shop getting all the dents out, filling the holes in the roof and new black paint.

 

[Sam Harris]

Got rid of the liquid wrap and In the shop getting all the dents out, filling the holes in the roof and new black paint.

View attachment 264410 View attachment 264411

Woohoo! What’s that going to run you...?

 

[alpha_omega]

I'm having a HELL of a time getting motor mounts. I'm on vendor number 2. They're INSISTING on a VIN before they'll expedite the order with GM. This big brother draconian crap is driving me nuts. I looked up a valid VIN for an '09 Hummer H3 so it would match the motor mounts, and gave them my VIN for the transmission mounts. (holding breath)

That’s one of the problems I had, which is why I posted this question. I saw others mentioning the “Atomic” but also saw that one has some bad vibration issues.
Mine are not “broken” (as of yet), but as I am approaching 100k miles the need to change them is drawing near. Plus I currently have the exhaust manifold, plugs, wires and electrical connections all removed. So this would be as good of a time as any to do them.

 

[08z71bgm]

Oooo, a Baldwin split bumper! Sweet. They were based in NY if I remember correctly.

Baldwin New York to be exact.

 

[kbuskill]

Gettin ready...

https://www.tahoeyukonforum.com/thr...rb-ltz-mod-thread.100141/page-77#post-1516277

Poly steering rack bushing upgrade + Moog upper, lower control arms, tie rod ends, and SKF Hybrid X-tracker hubs to go on the Burb before alignment and tires.

 

[Just Fishing]

Eww, lookong up that hummer enginw mount pn.
Hope that's not the rona shutdowns again... lol

Spring i needed my chainsaw, low compression and power, i needed a top end kit asap!
2 months later i finally got it.
Paid for 2nd day shipping.
No refunds.

 

[alpha_omega]

Eww, lookong up that hummer enginw mount pn.
Hope that's not the rona shutdowns again... lol

Spring i needed my chainsaw, low compression and power, i needed a top end kit asap!
2 months later i finally got it.
Paid for 2nd day shipping.
No refunds.

It seems like everything regardless of where it’s coming from is being delayed or has an increased shipping time.

 

[Kee Fuller]

Woohoo! What’s that going to run you...?

They were going to charge me 8k, but after leaving and i spoke directly to the owner, he went down to 5k

 

[Just Fishing]

Searching around a bit preparing for the DOD delete project on my Hoe.
I ran into this little part: ACDelco 96041864
Amazon.com: ACDelco 96041864 GM Original Equipment Multi-Purpose Drain Plug: Automotive

Apparently it fits the bleed off port in the oil pan...

thoughts on me deleting that little thing during the DOD/AFM delete?
I do have a Melling HV HP pump that I'm planning on using.
Thinking it might not be a bad idea so i don't have to pull that pan off again...


Currently i'm searching for the vlom block off plugs, i like the idea of hammering in a plug vs threading since I'm probably not going to be pulling the block.
I also do have the correct block off plate with the sealing o-rings, so it would just be a backup anyways.

 

[R3cord303]

I'm having a HELL of a time getting motor mounts. I'm on vendor number 2. They're INSISTING on a VIN before they'll expedite the order with GM. This big brother draconian crap is driving me nuts. I looked up a valid VIN for an '09 Hummer H3 so it would match the motor mounts, and gave them my VIN for the transmission mounts. (holding breath)

You may forgo getting H3 mounts and get polyurethane mounts from someone like energy suspension. They’ll be even more solid than the solid rubber ones- but in they will be rougher

 

[Derick]

Been driving the sheeeeeit outta the burb. Put on about 3k miles in 5 weeks time.

Finally, FINALLY just ordered the custom metal T's for the cooling system hardening thanks to info from @iamdub . Been wanting to do this awhile now. I have the dorman lower water pump hose, but I gotta get the parts lined up for the heater hoses. I really want to do a reverse flush of the heater core too...so hopefully in a few weeks time we have another nicer day where I can get the hose out and replace the cooling rubber.

 

[alpha_omega]

Been driving the sheeeeeit outta the burb. Put on about 3k miles in 5 weeks time.

Finally, FINALLY just ordered the custom metal T's for the cooling system hardening thanks to info from @iamdub . Been wanting to do this awhile now. I have the dorman lower water pump hose, but I gotta get the parts lined up for the heater hoses. I really want to do a reverse flush of the heater core too...so hopefully in a few weeks time we have another nicer day where I can get the hose out and replace the cooling rubber.

Check the fit on your hoses before you get started. I bought OEM ACDelco hoses but they were different sizes than the original ones. Since mine were in good shape I’m just swapping out the connectors at the core. My fittings weren’t bad, but while it was empty of coolant I figured why not do it now and save myself the trouble later. Only prob is that I now have a hose I won’t be using.

 

[89Suburban]

Been digging for a minute and can't find them at the moment. However, I did run across this:

https://www.tahoeyukonforum.com/attachments/console-wiring-harness-connection-108-pdf.185222/

It has the wire colors and locations for the speaker signals feeding the Bose. If your wire colors and locations match, you could tap into those wires. I'm not sure if it matters to tap into a front or rear pair. I'd tap the front, assuming it has the most full-range sound. Your amp's built-in crossover will filter out the mids and highs. Cut and strip the wires, cut and strip some RCAs (female ends), solder them accordingly (center of the RCA is +). Don't forget the heat shrink. Then, just plug regular RCA cables to them and route 'em to your amp as you would if you plugged the RCAs to the back of an aftermarket HU.


*EDIT*

Just found this. Might wanna research it first. Apparently, the "A" at the end denotes that it is for those vehicles with the Bose amp: https://www.sonicelectronix.com/item-18700-PAC-AOEM-GM1416A.html

Look what I got.

 

[CaptainAmerica1]

Noico the doors and rear hatch, Amsoil 5w30oe synthetic and wix filter. Gonna change again at 1500mi. Mobil one w/3200 miles was black as coal. Changed interior door handles.
Amsoil 75w90 synthetic gear fluid swap. Lubelocker rear end gasket.
Rotated tires.