I have a 2001 GMC 2500hd with about 190,000 miles, with unknown history. I've put about 15k miles on it since I bought it. Transmission has always shifted good and firm and fluid is bright red and has never been above 200 deg. Recently the shifting has seemed a little off, nothing too bad, but maybe slipping more than usual. This morning I started it up and put it in drive, tried to take off and it wouldn't move. I let off the gas, waited few seconds, then tried again. It revved up, finally built some pressure and started moving. It didn't do it again today. Is this a sign of impending doom? I pull an enclosed trailer full of tools daily so it definitely gets worked.
2001 4l80e questions
- Thread starter Oscar11
- Start date
Fluid level correct?
Forward clutch burn down is one of the most common failures on 4L80E's, The Forward Drum & Stator Bushings wears out & allows the Input Shaft to dig into the drums sealing ring lands.
Forward clutch burn down is one of the most common failures on 4L80E's, The Forward Drum & Stator Bushings wears out & allows the Input Shaft to dig into the drums sealing ring lands.
The fluid level is correct. It was actually overfilled when I bought it. Previous owner said he had a cracked flex plate replaced by a transmission shop, I assume they also did a fluid change because the fluid looked new. Are there any companies you would recommend for a rebuilt unit? I found a few places online but you never know how the quality is. 4l80e this is one I found