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.
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.
Why is my transmission not shifting to third gear?
If you ignore the signs for too long, it could lead to a possible failure of the transmission. Let’s see what could be the reasons for the auto gearbox not to shift from second gear to the third. Overheating could be a reason for the gear to stick and the low fluid level is the culprit for making the transmission overheated.
When to replace shift solenoids in GM 4L60-E?
TIP 4: If your transmission is slipping, replacing the shift solenoids, even if they’re fried will not solve the slipping issue. The 4L60-E transmissions uses several solenoids and sensors to control/activate its 4 gears.
If you ignore the signs for too long, it could lead to a possible failure of the transmission. Let’s see what could be the reasons for the auto gearbox not to shift from second gear to the third. Overheating could be a reason for the gear to stick and the low fluid level is the culprit for making the transmission overheated.
Why is my 4L60E not shifting into overdrive?
As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. Without overdrive, your vehicle turns into a time machine and takes you back to an era where it was the norm for a vehicle to scream down the highway at 3000 RPM.
How does acceleration affect the gear transmission system?
The issues with acceleration can lead to gear transmission problems as the ECM doesn’t get the correct information about the acceleration. This leads to incorrect shift points which can cause both early or delayed shifts.
Why does the gear stick in the transmission?
Overheating could be a reason for the gear to stick and the low fluid level is the culprit for making the transmission overheated. Actually, low fluid levels are the source of several transmission-related issues.
Why is my GMC transmission not shifting properly?
Most GMC transmission problems such as harsh shifting, delayed shifting, no gear, stuck in gear, no reverse or drive are quite often caused by low transmission fluid level. If your GMC vehicle with automatic transmission is not shifting properly, check the transmission fluid first.
Are there any problems with the GMC 4 speed transmission?
GMC vehicles with a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems with selecting reverse. This will manifest itself as an inability to engage reverse gear while there are no issues with the engagement of other gears. There will be no other symptoms. The worn or faulty servo engages the reverse gear.
Is the GMC Yukon XL having transmission problems?
Our 2002 Yukon XL has been having transmission problems. We are now on number 4 and counting… Four Times in the shop for transmission problems. We got our truck back from the last service in June with 49,000 miles.. we now have 63,000 miles and yes… transmission problems again….
Why does my GMC Yukon come out of first gear?
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. Drove it back to the dealer. Now they are talking about putting in a new transmission.
Why is my automatic transmission slipping while driving?
Why Is My Automatic Transmission Slipping? If you have an automatic transmission and it “slips” while you are driving it—that is, the car engine revs without the power going to the wheels—the most common cause (though not the only possible cause) is low transmission fluid.
Why does my transmission rpm keep climbing up?
It seems that the gears are slipping and causing the rpm’s to climb up. Check the transmission fluid and make sure that it’s full and red in color. Very dark red or black transmission fluid is an indication that the transmission is burning the fluid for getting too hot from either overloading or slipping gears.
When did GMC Yukon SLT need to be replaced?
I got a 2002 yukon slt with a 4L60E tranny that had to be replaced around 85k miles. Im the 2nd owner and purchased when it had 67k miles. Previous owner stated they never used 4WD.
Are there transmission problems in the GMC Yukon?
The transmission that is in the gmc’s 4L60E & 4L65E have weakness in the 3-4 clutches. I am fairly confident that is your problem. You are looking at a rebuild. I’m sorry to hear about your transmission.
I got a 2002 yukon slt with a 4L60E tranny that had to be replaced around 85k miles. Im the 2nd owner and purchased when it had 67k miles. Previous owner stated they never used 4WD.
Can a bad transmission shift solenoid cause hard shifting?
You may also have intermittent problems with the transmission shift solenoid, which will cause shifting problems. This can cause hard shifting or shiftings at too low or too high RPM, for example.
Where are the vent tubes on a GMC Yukon XL?
Installed a new GM trans and Engine into my 2002 XL Denali over the weekend and when hooking everything back up was confused about the vent line routing. There are 2 long vent tubes that go on the back of the transmission and it looks like one just ends to the open air.
What causes a GMC to not shift gears?
Vehicle won’t move in any gear. Low transmission fluid level – One of the most common issues that prevent a GMC vehicle from shifting when placed in the Drive (D) or Reverse (R) is a low transmission fluid level. Shifter link – The shifter link connects the shifter to the transmission valve body.
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.
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.
GMC vehicles with a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems with selecting reverse. This will manifest itself as an inability to engage reverse gear while there are no issues with the engagement of other gears. There will be no other symptoms. The worn or faulty servo engages the reverse gear.
Vehicle won’t move in any gear. Low transmission fluid level – One of the most common issues that prevent a GMC vehicle from shifting when placed in the Drive (D) or Reverse (R) is a low transmission fluid level. Shifter link – The shifter link connects the shifter to the transmission valve body.
What should I do if my Yukon wont go in gear?
Allow the engine to warm up on cold days if the Yukon won’t go into gear, or is slow to go into gear. Temperatures below freezing (32 degrees F) can be problematic but is normal.
Why is the pulley not engaging the clutch?
Turn the air conditioning controls to MAX AC and start the engine. Then look at the front of the compressor clutch. Both the pulley and the clutch should be spinning. That means the clutch has properly engaged with the pulley. If only the pulley is turning, but the clutch disc isn’t, there’s a problem somewhere in the system.
What do you need to know about Yukon gear?
Yukon offers a wide range of kits from Mini-Kits, with the bare essentials for a repair or swapping gears, to Master Overhaul Kits that contain every small part you’ll need for a complete replacement of bearings, seals, shims, ring gear bolts, crush sleeves and more.
What kind of axles does Yukon gear and axle make?
Proper driveline training leads to great careers. Yukon Gear & Axle offers an extensive line of high-performance axle kits for popular Chevrolet, Ford, Dodge, Jeep, Cadillac, Toyota, GMC, Lexus, and Nissan applications. Axles endure a lot of torque and absorb tons of driveline shock.
Why are the gears so hard to shift?
Troubleshooting: Gears are hard to shift. One common complaint many people who drive manual transmission cars have at some point in their ownership is the gears becoming hard to shift. This happens for a variety of reasons.
Why does my GMC Sierra 1500 not shift gears?
GMC Sierra 1500 Questions – Speedometer doesn’t work and transmission doesn’t shift gears. – CarGurus Speedometer doesn’t work and transmission doesn’t shift gears. The speedometer stays at 0 all the time. When the transmission is in drive it won’t come out of 1st gear.
How to test shift solenoids on GM 4.3L?
In this article, I’ll show you how to test the transmission shift solenoids (specifically 1-2 solenoid and 2-3 solenoid) on your GM 4.3L, 5.0L, 5.7L pick up, van, SUV. You’ll be surprised just how easy it is to diagnose these shift solenoids when they have failed.