Alternatively, you can take your car to the dealer. However, when the vehicle is running and the pump is pressurizing the fluid, it will begin to escape through the hole in the case. Finally, if you choose to rebuild the transfer case, we suggest getting a good manual/diagram. This oil helps to lubricate the gears and prevents them from wearing out. Make sure to pour in the right type and the right amount of fluid. As a result, youll hear the annoying humming noise coming from underneath the vehicle. There are a couple of reasons why your Duramax engine may have difficulty staying in 4WD. Especially anything related to the transfer case. Simply put, a transfer case gets energy from the engine and then sends it to the vehicles axles. The manufacturer was made aware of the failure. Westminster, CO 80030 It cost like 35 bucks he said. Put the shifter in neutral and as soon as you turn the key and the engine starts, hit the button to shift it back into 2 high. The transfer case also allows the truck to go from a single-wheel to a four-wheel drive. all problems of the 2002 Chevrolet Silverado 2500 In 1999, General Motors introduced the GMT800 full sized truck platform. Truck is currently at local dealership waiting for my approval to replace transfer case which has a pin hole in it and some other parts for $3100. The contact owns a 2003 Chevrolet Silverado 2500 hd. However, if youve determined that theres no pinhole and the vehicle is still leaking fluid, then perhaps you have a broken tail-shaft seal. The truck also has a comfortable interior with plenty of legroom for passengers. Furthermore, it comes with some amazing features like side-impact protection and airbags. The seal that keeps fluid inside the transfer case and thus the transmission is vital for the smooth operation of the vehicle's transmission. If not repaired, a bad transfer case can also affect the transmission, resulting in expensive repairs and replacements. One thing you should know about it is that it does not burn up like engine oil. Very dangerous when this happens. Like a transmission, a certified drivetrain specialist should complete this rebuild procedure. All the oil drains out of case causing catistrophic fallers. This is especially true when towing. https://www.youtube.com/playlist?list=PL17C5A3ED23485B90#1AAuto DISCLAIMER: While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. Im a guy with a lifelong passion for four-wheel drive vehicles. Sounds like this is a very common problem with gm owners with this type of transfer case. A bad installation can cause issues in the drivetrain, the transmission, and other truck components. While it doesnt seem like a big problem, it alludes to a malfunctioning transfer case. But if it were to get damaged, the transmission fluid would get inside the transfer case. Best of luck. When the transfer case is not engaged, the internal parts that turn the front wheels don't move. By doing so, you will remove the contaminants affecting the system. It is the sole responsibility of the viewer to assume this risk. This leak is high enough in the case that it typically will not leak when vehicle is not moving and therefore not leaving any drops on the ground. Either way, theyre not hard to fix. 2006 Chevrolet Silverado 2500HD - 2006 GMC Sierra 2500HD. We have been having these problems since the day we picked up the truck. There are two types of transfer cases. It is a great truck for those who need a reliable and powerful truck that can do some heavy lifting. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Cover this product: 4-Year Auto Accessory Protection Plan $18.99 Learn more It wouldn't drive in 2H and wouldn't even go in 4L. And when that happens, your transmission fluid can start leaking. Never had a problem before now. You can tell if the fluid is dirty by looking at it. Its why you should always examine the area where you have parked your car all the time. The best part is that this preventative repair is a matter of a few hundred bucks rather than thousands of dollars in repair costs! Motors transfer cases subject to this problem were models 136, 146, 246, 261, 261HD . After having the vehicle inspected by a repair shop, he was advised that the bracket in the transfer case failed. If youre having trouble with your Chevy Silverados transfer case, dont hesitate to take it to a mechanic. At Four Wheel Trends, we are passionate about vehicles and love sharing everything we learn about them.Four Wheel Trends aims to be the ultimate resource for learning everything about your vehicle or information when trying to find the right one. While driving 5 mph, the vehicle hesitated prior to depressing the accelerator pedal. Add Fluid - Determine correct fluid type and add fluid 5. The transfer case is filled with a special type of oil called gear oil. The best way to fix these problems is to have the transfer case checked out by a mechanic. The encoder motor on tcase has a high failure rate. Changing this fluid is childs play. These are just some of the most common symptoms of a bad transfer case. Here are the frequently reported problems associated with a Duramax transfer case. If theres any liquid, try to find the highest point. Search Fixya Browse Categories . These units either carry Auto-Trak II fluid or automatic transmission fluid. Remove the bolts and unplug the wiring connectors. In the following paragraphs, we will discuss some common issues with a Chevy Silverado transfer case. As discussed above, one of the most common issues with a Chevy Silverado transfer case is low fluid level. Rusting is another common issue with transfer case units. Hi, I'm Kern! Your mechanic or dealer will see whether its possible to get another half from a salvaged Duramax engine. When youre having problems with your Chevy Silverados transfer case, its important to have it checked out by a mechanic as soon as possible. Chevy Silverado Transfer Case Leak 2.6 06. As a result, the springs in the four wheel drive transfer case punctured a hole in the aluminum housing. If you dont know already, the shift fork is a tool for engaging gears in the transfer case. The vehicle was repaired. It can also result in your car getting stuck. You can source one locally or get in touch with e dealer. Jeep Cherokee: Why is My Odometer Blinking? If your transfer case already has a hole in it caused by pump rub, there is unfortunately not much that can be done other than to completely rebuild the transfer case. Sometimes, your truck may refuse to come out of neutral. The problem: affected pickup trucks may have been delivered with a thrust washer that was improperly installed on the transfer case reduction carrier assembly at the factory. 2023 Four Wheel Trends. This is a serious problem that should be fixed by a mechanic as soon as possible. He didny have any problems after that. While accelerating to 10 mph, the contact heard a loud vibrating noise. Transfer case failure isnt the only problem with Duramax engines. Chevrolet Avalanche 2500 Frame Rail. However, if your Chevy Silverado vibrates too much, its time to examine your transfer case. This truck is for you if you are in for some heavy lifting. This is not a problem if youre using the 2WD system. There is a defect in the transfer case that results in a clip breaking loose and rubbing a hole in the rear housing, allowing the lubricant to leak out, which can cause the transfer case to fail and possibly locking up the wheels in an unexpected manner, causing a crash. This can be caused by low fluid levels, dirty fluid, or excessive heat. jackharrismusic.com is a member of the Amazon Services LLC Associate program. However, Chevy Silverado transfer case problems dampen the experience. One common problem for Silverados is issues with the transfer case. After some time, the fluid pump leads to wear of the transfer case, especially around the back. The vehicle was repaired. This then results in the transfer case fluid to leak out, and causes the gear box to come apart inside the transfer case. Was told by gm that there was no fix. Sounds like gm is ignoring this problem. After market parts have been developed to replace the cheap parts within the transfer case to prevent this from happening, unfortunately I did not research this issue prior to having the issue. If the service 4WD light comes on, it is a sign that the transfer case isnt working correctly. Inside the transfer case, theres a fluid pump. It usually has 3-4 bolts holding it. Read full answer. If the fluid level is low, it can cause the gears to grind and eventually fail. Before moving on from the relationship between a Duramax transmission and transfer case, you need to know that these two components work together. Sometimes the light would disappear or the buttons would not respond. Also, a faulty transfer case can be diagnosed during car service. This should not be happening on vehicles this new with little miles on them. If the level of that fluid falls, the gears will grind and eventually fail. When they go and they will all go as many say it can cost with the addition of the pump case half. When the liquid gets too dirty, itll lose its ability to lubricate. Typically the condition is not found until there is transfer case damage from running the case out of fluid. : A Step-by-Step Guide [2023]. The vehicle was repaired, however the failure recurred several times. The contact stated that the pump in the transfer case of the transmission failed. Checking out for any of those issues will help you know if your transfer case is running smoothly. When the gears are worn out, they will start to grind and eventually fail. A transfer case is used on 4-wheel drive vehicles. Push the 4wd Auto button, and it goes back to working as it should in that mode. The cost of replacing a transfer case depends on a number of factors. Noted below are a few of the common side effects of a damaged transfer case output shaft seal that should be replaced. Chevrolet Silverado 2500/3500 2020 2020 L5P MGM GMC Sierra 2500/3500 Involved Region or Country North America, Middle East, Israel . On December 27, 2014 while driving away from my house, once again the engine would rev up and the truck just coasted until it engaged causing a loud thump. Damaged gears can also cause a fluid leak. Even if you have no previous experience, you should still be able to get through this process. The manufacturer was notified of the failure. Chances are if you have problems with it once, you will have problems with it again. Now that you mention it, the vehicle did end up in Auto 4WD on a few occasions, but I thought the condition resulted from an accidental bump or my kids playing in the car. The transfer case is what allows your truck to shift into four-wheel drive. Consumer writes in regards to vehicle engine malfunctions. My case was found by tec before fall ire my brothers failed on a trip leaving him stranded. . As expected, changing the transfer case fluid will fix the issue. You may realize a decrease in the Duramax power and performance. To do this, take the transfer case apart, remove the case half and then install the new one. We have the ability to test and diagnose problems with pump rub inside of your transfer case and use only quality parts in our repairs. Check the fluid level, and pour in some more if necessary. GMC Jimmy, Suburban and Yukon and Full Size pickups 1981-1988. Any mechanical part on your car is vulnerable to wear and tear. Keep in mind that resetting the TCM will not solve any problem with the transmission internally. The VIN, engine size, and purchase date were unknown. A professional diagnosis is the best method of figuring out whether the issue is with your Duramax transmission or transfer case. It looks like a window motor and it sits on the rear of your transfer case. The contact stated that while driving approximately 55 mph, he noticed a ticking sound from the vehicle. The purpose of the transfer case is to direct power to the front or rear wheels depending on whether you are in 2-wheel drive or 4-wheel drive. Everything I have researched has led to issues in both problems. A damaged shift form wont engage the gears. Chevy Silverado Transfer Case Problems and Solutions! If youre having trouble with your Chevy Silverados transfer case, the first thing you should do is check the fluid level. He stated that the top of the transmission case was cracked. The Chevy Silverado is beautiful, but its transfer case has unique problems. Sometimes the light would disappear or the buttons would not respond. If you have a 263XHD t-case in your vehicle there are a few things that you should know about them and know about working on them. All do-it-yourself projects entail some risk. 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