What did you do to your NNBS GMT900 Tahoe/Yukon Today?
- Thread starter phattyford
- Start date
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
alpha_omega
Full Access Member
You’re thinking brake fluid and Pwr Steering fluid. Those are deadly for anything other than the container they sit in. Even those don’t last forever.
alpha_omega
Full Access Member
Yummy! I’m hoping you did a full flush/bleed instead of pushing in the pistons and pulling them off. Well, I suppose even if you push the piston but still do a good flush/bleed you shouldn’t contaminate the system.
It looks like it’s been a min since they were changed and/or someone was ******* the pedal. All the heating up and then cooling down of the brake fluid causes condensation in the lines…and since brake fluid is hygroscopic, and it absorbs moisture even when the vehicle isn’t driven all that water then mixes like muddy water and chocolate milk. Kinda looks similar to hydraulic fluid that has gotten water in the lines.
Best practice is to change ALL of your brake fluid annually if you tow a lot or do a lot of city driving.
Nice work though. Looking good and probably feeling MUCH better now.
Lanolin-based and very popular in the rust belt. https://www.fluid-film.com/automotive-applications/
Now that I posted it I feel kinda 'sheepish.' Baaa.
Last edited:
alpha_omega
Full Access Member
Ok. Since I only seem to get on here every once in a while, but often seem to blow up the damn forum with my replies to everyone’s posts/comments all at once before…
“radio silence”
….So one more before I get my ass back under the hood.
Shocks. Mine look. Um…the front shocks on my Denali look…unhappy. Not hole in them unhappy, but rusted enough from multiple Michigan winters. Do I stick with OEM or are there any better ones out there. I do have the terribly expensive ones due to the Denali package, so I’m not even sure if I can tackle that job myself. I like having my teeth (Still in where they belong. All of them), so there’s no need to fight with that kind of tension and pressure. But nonetheless, they still need to be ordered.
Thoughts?
“radio silence”
….So one more before I get my ass back under the hood.
Shocks. Mine look. Um…the front shocks on my Denali look…unhappy. Not hole in them unhappy, but rusted enough from multiple Michigan winters. Do I stick with OEM or are there any better ones out there. I do have the terribly expensive ones due to the Denali package, so I’m not even sure if I can tackle that job myself. I like having my teeth (Still in where they belong. All of them), so there’s no need to fight with that kind of tension and pressure. But nonetheless, they still need to be ordered.
Thoughts?
gooffeyguy
Tom
I just purchased GM replacement struts and all the related dust shields and isolators. They don't come pre-assembled and ready to drop in though. You have to have the springs compressed to take them apart.
Arnott sells a pre-assembled front strut ready to drop in, but it's passive (not electronic/magnetic) and comes with a plug that plugs into the wiring connector to keep the system happy and no dash messages.
I am doing one caliper a weekend starting on the R/R and moving towards the F/L. I don't fully push the piston into the caliper, only enough to pry off the bracket. So I did a "full flush" to the R/R last weekend, L/R this weekend, and to TBC to the L/F.
This was an all highway sales vehicle for 290K until I got it. I am sure these calipers are very high mileage and the fluid as well. All the bleeders were seized. This has been on my TDL for a long time. I am glad to get some new calipers/brackets/fluid worked into this thing finally. I can even tell a difference from last weekend in the pedal hardness bleeding this 2nd caliper. And I DO plan to make bleeding the brakes a once a year tinkering project now that I have working bleeder screws and I can keep on top of it.
@Rocket Man Yes of course I did a full bleed, that's why I am going through this in the first place. All my bleeders were rusted and frozen to dog ****. That Motive pressure bleeder is on my Amazon wish list, thank to you!! , but I do not have it yet. So I had do to it old school for now but all is going well so far. I am not bottoming out the M/C either when I am bleeding. I hear horror stories about that ruining seals in the M/C.
EDIT:
To be quite honest, a lot of "gravity bleeding" worked well so far. When I did the R/R I used my vacuum pump tp pull a lot through the main line, toping of the M/C reservoir a few times. Id' say about a quart? Then I used an assistant to foot bleed the caliper afterewards.
On this on I removed the brake line, dumped the caliper out, let the brake line run into the pan for a bit. Gave it a half dozen pumps to help flush it. Let it keep running into the pan afterwards. Mounted the new caliper and the hose. Opened the bleeder. Let gravity fill it til it started running it. Let it run for a bit. Closed it. Did the foot bleed again. Turned out very good so far.
now onto the fronts the next few weeks!!
, but I do not have it yet. So I had do to it old school for now but all is going well so far. I am not bottoming out the M/C either when I am bleeding. I hear horror stories about that ruining seals in the M/C.EDIT:
To be quite honest, a lot of "gravity bleeding" worked well so far. When I did the R/R I used my vacuum pump tp pull a lot through the main line, toping of the M/C reservoir a few times. Id' say about a quart? Then I used an assistant to foot bleed the caliper afterewards.
On this on I removed the brake line, dumped the caliper out, let the brake line run into the pan for a bit. Gave it a half dozen pumps to help flush it. Let it keep running into the pan afterwards. Mounted the new caliper and the hose. Opened the bleeder. Let gravity fill it til it started running it. Let it run for a bit. Closed it. Did the foot bleed again. Turned out very good so far.
now onto the fronts the next few weeks!!
Last edited:
Better off in what sense?
That you’ll pay double digit interest rather than just take your cash back and leave the party?
Higher credit score? Mine’s got no headroom and I never carry over a balance.
