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mars2878's latest activity
M
mars2878
replied to the thread
GMT T1XX brake upgrade
.
This thread is about using the T1xx 20in rims with the brake upgrade. Yet people insist on talking about about is needed to be possibly...
Apr 26, 2026
M
mars2878
replied to the thread
GMT T1XX brake upgrade
.
When I look it up, there are only 2 options. Without High Performance (4-piston). With High Performance (6-piston).
Apr 26, 2026
M
mars2878
replied to the thread
GMT T1XX brake upgrade
.
Some factory 18s do not clear the 4-piston setup without grinding or spacers. I'm using the T1xx 20in rims that would've been paired...
Apr 26, 2026
M
mars2878
replied to the thread
GMT T1XX brake upgrade
.
I have read that before. Unfortunately nothing useful. It's mostly trying to fit 17, 18 or aftermarket rims on a gmt800 with 4-piston...
Apr 26, 2026
M
mars2878
posted the thread
GMT T1XX brake upgrade
in
Suspension, Steering & Brakes
.
My truck, 2000 GMC Sierra SLT 1500 2wd ext cab. The 20in rims are from a 2025 GMC Yukon at4 Ultimate. RPO code R4L. Now that I've...
Apr 25, 2026
M
mars2878
reacted to
AuroraGirl's post
in the thread
Features deleted by GM (gmt800 life cycle)
with
Like
.
2004-Glovebox Lamp 2004-Puddle lamp from power folding mirrors (DL3) 2004-Windshield tint across the top 2004-Green-Eye (only relevant...
Apr 17, 2026
M
mars2878
replied to the thread
My new to me 2000 GMC Sierra 1500 ext cab
.
They are for the extended cab glass. The thought process behind these is that by being slightly longer, it'll make the glass tighter...
Apr 10, 2026
M
mars2878
replied to the thread
My new to me 2000 GMC Sierra 1500 ext cab
.
They are slightly longer than the OEM plastic version. Side by side comparison, so to speak. OEM is on top.
Apr 10, 2026
M
mars2878
replied to the thread
My new to me 2000 GMC Sierra 1500 ext cab
.
A set of these just arrived from ebay, $14 shipped. These pieces are for extended cab model trucks and are made of aluminum.
Apr 10, 2026
M
mars2878
replied to the thread
Features deleted by GM (gmt800 life cycle)
.
Here it is in English so that others dont have to translate it. Stutaeng said: "The small indicator for the airbox condition was also...
Apr 10, 2026
M
mars2878
replied to the thread
Diff Leak
.
While true, you still gotta keep an I on the fluid levels.
Apr 10, 2026
M
mars2878
replied to the thread
Diff Leak
.
In a rust-belt state, yes, that's excellent rust protection, but also needs a good balancing act to not cause problems. As seen in the...
Apr 10, 2026
M
mars2878
replied to the thread
Problem with steering wheel controls
.
Did you figure out the problem??
Apr 9, 2026
M
mars2878
replied to the thread
Diff Leak
.
That's pretty dry compared to mine. I found this today. 2000 w/ 140k miles. Another job to add to the list.
Apr 9, 2026
M
mars2878
replied to the thread
Verifying that these rims fit & thoughts on looks
.
Now, for the after drive pics. I drove down my neighboring crappy 20mph road doing 45mph. Then came back to my cul-de-sac & made several...
Apr 9, 2026
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