Can a GMC Yukon Denali transmission be rebuilt?
To avoid the uncertainties of buying a used GMC Yukon Denali transmission, you could opt for a rebuilt 4L60E transmission, or a rebuilt 6L80 transmission. Most repair shops and transmission shops will simply remove your transmission, install a bunch of new parts, then give you a 1-2 year warranty.
What causes a GMC Yukon Denali to lose 3rd gear?
One of the most common GMC Yukon Denali transmission problems is the complete loss of 3rd and 4th gear. This happens when one or more of the discs inside of the 4L60E 3-4 clutch pack breaks prematurely. To solve this design flaw, every remanufactured 4L60E transmission from Street Smart Transmission features a High-Energy 3-4 clutch pack.
Can a GMC Yukon 6L80 be remanufactured?
To remedy this, every SST remanufactured 6L80 transmission gets an upgraded PR system with higher-grade components, along with a completely recalibrated valve body. When your transmission goes out, you aren’t going anywhere.
When did the GMC Yukon XL Denali start?
“GMC Yukon XL Denali” redirects here. It is not to be confused with GMC Denali. The Chevrolet Suburban is a full-size SUV from Chevrolet. The name started in 1934 for the 1935 U.S. model year, making it the longest continuously used automobile nameplate in production.
When did my Yukon Denali XL have its first transmission failure?
Our 2007 Yukon Denali XL had its first transmission failure at 1,850 miles. At 55MPH it came out of gear, would not re-engage until we turned the ignition off and on three times. Limped back to the dealer with only 4 operating gears. The dealer rebuilt it.
What was the transmission problem on my GMC Yukon?
Limped back to the dealer with only 4 operating gears. The dealer rebuilt it. At 2,430 miles, while in the Sierras outside Yosemite at 2500 feet, the transmission heated up to almost 200 degrees (outside temp only 78), and it came out of gear again. This time it would not shift out of first gear until we let it sit overnight.
What kind of trans fluid does GM use?
As of July 8 th, 2019, GM began using a new type of Mobil 1 automatic transmission fluid for the troublesome transmissions. Customers that complain of shuddering and harsh shifting characteristics in the 8-speed GM transmissions are recommended for a trans fluid flush.
Is the GMC 6 speed transmission a reliable transmission?
In other words the transmission is reliable if you deal with the clunking. A family member has a 2011 GMC and the 6 speed acts the same and he has over 200,000 miles on it.
To avoid the uncertainties of buying a used GMC Yukon Denali transmission, you could opt for a rebuilt 4L60E transmission, or a rebuilt 6L80 transmission. Most repair shops and transmission shops will simply remove your transmission, install a bunch of new parts, then give you a 1-2 year warranty.
Can a GMC Yukon 4L60E be remanufactured?
GM used plastic pistons on the inside of the accumulators, and they can break off over time. To keep the remanufactured 4L60E transmission in your Yukon on the road and out of the shop, Street Smart Transmission installs sturdier aluminum 1-2 accumulator pistons, and the valve body is recalibrated to improve the fluid pressure control.
One of the most common GMC Yukon Denali transmission problems is the complete loss of 3rd and 4th gear. This happens when one or more of the discs inside of the 4L60E 3-4 clutch pack breaks prematurely. To solve this design flaw, every remanufactured 4L60E transmission from Street Smart Transmission features a High-Energy 3-4 clutch pack.