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NickTransmissions
Sin City
·
From
The transmission bench
Joined
Mar 9, 2023
Posts
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NickTransmissions
replied to the thread
GM 6L80 Transmission Information Thread
.
This is speculation but seems as though there's a partial restriction in your system. The shop should have flushed the lines and...
Yesterday at 6:00 PM
NickTransmissions
replied to the thread
Fixed:Everyone’s fav topic: 6l80 issues
.
GM new.
Thursday at 8:57 AM
NickTransmissions
replied to the thread
Easiest tune for lazy shifting?
.
@BlackBearPerf
Apr 24, 2025
NickTransmissions
replied to the thread
GM 6L80 Transmission Information Thread
.
I've shut off all inbound *** - there's absolutely no reason for me to provide tech support via PM as it's duplicative, redundant and...
Apr 23, 2025
NickTransmissions
replied to the thread
4l65 installed in Suburban (that had a 4L60)
.
What's actual problem? Is the new trans not shifting? No movement? Something else?
Apr 22, 2025
NickTransmissions
reacted to
donjetman's post
in the thread
GM 6L80 Transmission Information Thread
with
Like
.
yeah, I wouldn't do any towing with my 6L80 unless I installed a large aftermarket cooler with fan(s) setup like others have done here...
Apr 16, 2025
NickTransmissions
reacted to
Tahoe_Denali's post
in the thread
GM 6L80 Transmission Information Thread
with
Like
.
Thanks, I guess the true test will come when I hook the boat up and head to Tahoe for memorial day. Will update as Summer heats up.
Apr 16, 2025
NickTransmissions
replied to the thread
GM 6L80 Transmission Information Thread
.
Anything under 220 for these units is generally ok as Dex6 was engineered to withstand higher temp operating regimes. My GMC Sierra's...
Apr 15, 2025
NickTransmissions
reacted to
89Suburban's post
in the thread
6l80 2wd to awd
with
Like
.
@NickTransmissions
Apr 14, 2025
NickTransmissions
reacted to
Just Fishing's post
in the thread
6l80 2wd to awd
with
Like
.
I assume the difference if not case is the output shaft. (Transmision disassembly required)
Apr 14, 2025
NickTransmissions
replied to the thread
6l80 2wd to awd
.
You sell it for what you paid for it and purchase a 6L80 that has been rebuilt properly and configured for your drivetrain type (AWD)...
Apr 14, 2025
NickTransmissions
replied to the thread
Trans pan 08 tahoe
.
There's a designed interference fit between the pan and filter bottom. Make sure the magnet isnt in the way or portions of the wiring...
Apr 10, 2025
NickTransmissions
replied to the thread
6L80 Heat Related Symptoms
.
This sounds like torque converter to me; I believe the 8-speed units are/were doing this or similar behavior, causing accidents...IIRC...
Apr 9, 2025
NickTransmissions
replied to the thread
6L80 Heat Related Symptoms
.
Assuming the above is a fair and accurate description of your current drivability symptoms, Im guessing you have a worn out pressure...
Apr 9, 2025
NickTransmissions
replied to the thread
4l60E Compatibility
.
The 4.3L applications began receiving the two-piece case design in 1996, ahead of the V8 transmissions which began seeing them in 1997...
Apr 6, 2025
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