See 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. Either do it yourself or hire an expert. You will also find out how you can track down the root of the problem and fix it yourself. Easy to use parts catalog. While in reverse at approximately 5 mph, the contact heard a rattling noise coming from under the vehicle. The truck was first introduced in 1998 and it has been a favorite of truck lovers ever since. Came across a little crack in the truck connector to the encoder motor. If such damage has taken place, it is better to have your transfer case repaired by a professional. Jack up the vehicle and then crawl underneath it. Transfer case failure isnt the only problem with Duramax engines. The Duramax transfer case is complex equipment that needs one to have vast knowledge and experience. An expert diagnosis can help you narrow down the main culprit. 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. This will include replacing the case half that has the hole in it and is not an inexpensive repair. The failure mileage was 230,000. You should only add enough to reach the full line on the dipstick. It was from a tire distributor that has a number of these particular trucks. Any mechanical part on your car is vulnerable to wear and tear. . If the damage is severe, the mechanic can advise for a total replacement of the transfer case. We recommend the latter. 2001-Up GM Silverado 27 Spline Input NP263HD. When you go through the above signs of a failing Duramax transfer case, you will realize that most of them are signs of a bad transmission. If you drive a GM / Chevrolet truck or SUV built between the years of 1999 and 2007, this is an issue that you want to address before it becomes a truly expensive repair. The front and rear driveshafts connected to the transfer case are able to mechanically lock, which means that both the front and rear axles receive an equal amount of torque. This will help to remove any contaminants that might be in the system. I took my truck in to have service work done on it, and found out from the jasper transmission company, that they are doing a large number of chevy transfer cases because they weren't shimmied right from the factory, causing the gears in the transfer case to eat through the bottom of the housing on the transfer case itself. When it does, a LOT of noise and a catastrophic failure are not far behind! This can cause your car to get stuck in neutral or have other problems. Then you might have a bad sensor. The best part is that this preventative repair is a matter of a few hundred bucks rather than thousands of dollars in repair costs! all problems of the 2019 Chevrolet Silverado 2500 If there is a leak, the gears wont be lubricated and will start wearing out. Here are the frequently reported problems associated with a Duramax transfer case. Goes into four wheel drive on its on. I called and left message with service writer. This is a very prevalent problem in this model truck. He has a fix for the transfer case pump rub. I'm not sure I had what you described with the failure to engage. Please note that this may signal a wide range of issues related to the vehicles 4WD system. Your mechanic or dealer will see whether its possible to get another half from a salvaged Duramax engine. If yours does better get it in soon. 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. Four Wheel Trends | 4441 Six Forks Road, Suite 106-205, Raleigh NC 27609 | (919) 526-0419 He stated that the top of the transmission case was cracked. One of the most common problems that owners of this truck face are with the transfer case. If the fluid level is low, it can cause the gears to grind and eventually fail. Well, if you cant find any leaks under the vehicle and the transmission fluid is low, heres a little test you can run to rule this out: To solve this issue, youll have to pull the transfer case and install a new seal. What is an Odometer Statement and Why is it Important? Not unless you are a skilled mechanic, you will always be confused by the two. Worn-out gears can also cause the transfer case to leak. Above, we have listed the four most common warning signs of a faulty transfer case. The NP263 can be followed by and "HD" or "XHD". (Applies to: 4WD, Severe) Anytime you notice a puddle, you should check the undercarriage and see where the leaks are coming from. Waiting too long can cause further. If you havent replaced it before, theres a good chance its dirty. I have this problem temporarily patched. The shift fork is what allows you to engage the gears in the transfer case. Either way, theyre not hard to fix. Transfer case fluid isnt expensive and readily available at auto-part dealerships. . By doing so, you will remove the contaminants affecting the system. The encoder motor on tcase has a high failure rate. On January 02, 2015, I was with 1/2 mile of my house and truck would not shift, I was able to turn around and drive back to the house at a very low speed keeping the rpm's low. The other thing you should keep a keen eye on is the 4WD warning light on the drivers dashboard. The fluid can become contaminated over time and cause problems with the gears. However, if that doesnt work out for you, you might have to reset the transmission control module. A damaged shift form wont engage the gears. Finally, replace the sensor inside. This truck is for you if you are in for some heavy lifting. 8AM 5:30PM Mon-Fri. This then results in the transfer case fluid to leak out, and causes the gear box to come apart inside the transfer case. 00. statistics and reliability analysis of Chevrolet Silverado 2500, all problems of the 2019 Chevrolet Silverado 2500, all problems of the 2004 Chevrolet Silverado 2500, all problems of the 2005 Chevrolet Silverado 2500, all problems of the 2003 Chevrolet Silverado 2500, all problems of the 2002 Chevrolet Silverado 2500, all problems of the 2006 Chevrolet Silverado 2500, Automatic Transmission Control Module problems. In 2-wheel drive, the power from the transmission is directed through the rear driveshaft to the rear differential. It is located between the differential and the transmission. However, if your Chevy Silverado vibrates too much, its time to examine your transfer case. The vehicle has not been repaired. The failure and current mileage was 195,000. See After that, locate the transfer case. Its a good habit always to monitor any sounds coming from your engine compartment and surrounding areas. Upon investigation, the technician may find DTC C0550 set. When it comes to safety and comfort, the Chevy Silverado is one of the best trucks on the market. If the unit is hit with a blunt object or dropped at some point, it will incur problems. However, when the transmission fluid is going into the transfer case, thats when things can get pretty messy. 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. Can A Bad Coil Cause Knocking? High Gear also uses a brand new aluminum rear case half on all units it repairs. If you notice any of these symptoms, ensure your transfer case is inspected for worn-out gears. Quick, easy, and frustration-free claims. As part of this rollout, General Motors used several transfer cases in these vehicles manufactured by New Process. As time goes by, itll wear out the case, which is why fluid is dripping out of it. However, when the vehicle is running and the pump is pressurizing the fluid, it will begin to escape through the hole in the case. The transfer case is a part of the drivetrain that helps to send power from the engine to the wheels. It is located in between the transmission and the differential. The hole in the image may seem inconsequential, but the reality is grave. The oil lubricates the gears and keeps them from wearing out. The contact owns a 2006 Chevrolet Silverado 2500. I have since replaced both problems but still nothing back from gm. A transfer case comes in handy in a four-wheel-drive truck or SUV. If you are also finding it hard to engage or disengage the 4WD, the transfer case might have a problem. So, theres a good chance your transfer case is still in great shape. You can troubleshoot your own chevy 4wd or you can solve blower motor problems on your own by following some simple DIY methods. This morning I tried to switch to 4wd drive and realized it wasn't engaging. It wouldn't drive in 2H and wouldn't even go in 4L. Keep in mind that you have to carefully look to find the hole. This should not be happening on vehicles this new with little miles on them. Transfer case/differential,service 4x4 lights keep coming on, brakes, shocks, bumper pad falling off, transmission clunking noise, would not start. Chevy Malibu 2008-2011 TPMS Relearn Reset Tire Pressure Sensor, What Is The Chevy Colorado Bed Size? They can diagnose the problem and recommend the best course of action. never replace the hub sensors unless they are with damaged wires. 2004 chevy silverado hd 2500 diesel--transfer case wearing from inside out High Gear updates the 246 unit with a metal plate in between the pump and rear case half to reduce friction and vibration. Sounds like gm is ignoring this problem. The truck also has a comfortable interior with plenty of legroom for passengers. Some of the most common symptoms are: One of the most common symptoms of a bad transfer case is that the truck wont shift into four-wheel drive. I realize that problems can happen with any manufacture, however this gm issue with a pinhole in the transfer case that is caused by an internal part that breaks and drivers losing power to the drive train is a regular occurrence. He just changed it in hopes that was the problem. Hope this helps. It may be a wiring issue or a connection problem. Sounds like this is a very common problem with gm owners with this type of transfer case. Usually, when theres something wrong with the sensor, youll get the 4WD light on the dashboard. Top Chevrolet Silverado 2500 HD Problems Speedometer or Other Instrument Panel Gauge May Work Erratically 257 people have reported this 142 Fuel Level Sensor Failure 167 people have reported this 92 4WD Transfer Case Position Sensor/Selector Switch May Fail 105 people have reported this 38 Inside Door Handles May Break 86 people have reported this We have been having these problems since the day we picked up the truck. 2 or 3 months ago started having issues again. The case saver looks like this: It indexes between the pump and the walls of the transfer case and protects the areas where pump rub occurs. I would try to turn the key on, but do not start the truck. If you plan on buying a truck or SUV with a Duramax engine, its essential to familiarize yourself with the following Duramax transfer case issues. Dirty fluid is another cause of problems in the transfer case. The problem is that the design is such that the hole is sitting above the level of the drain plug, so it doesnt leak while the vehicle is stopped. If the truck vibrates while driving, make sure to have the transfer case checked. The manufacturer was made aware of the failure. Local dealership replaced a part ($900) and sent me on my way. If you have been driving your Duramax engine for years, you should always be prepared to counter any of the above issues at any time. 8AM 5:30PM Mon-Fri, Manual/Standard Transmission Repair & Service, Advanced Transmission Center Lakewood 1194 S Pierce St Lakewood, CO 80232, Advanced Transmission Center Westminster 3686 W. 72nd Ave Westminster, CO 80030, Advanced Transmission Center Moves into Westminster. If you dont know already, the shift fork is a tool for engaging gears in the transfer case. The contact stated that the failure caused a leak in the transfer case which allowed the transmission to drain all the transmission fluid from the transfer case. also keeps water out just like a boat trailer hub assy. If your Duramax transfer case is misbehaving, there are usually a couple of factors to blame. Over the years, this type of engine has exhibited the following issues; These issues associated with the Duramax engine shouldnt prevent you from getting one because they can be avoided through regular servicing and diagnosing problems early in advance. He had a bad switch causing this exact problem you are describing. Sometimes, your truck may refuse to come out of neutral. Gm is aware of the problems but claim 'there is nothing they can do but wait for a fix'. First and foremost, raise the vehicle. A transfer case plays a crucial role in a Duramax engine. The manufacturer was made aware of the failure and advised the contact that the four wheel drive function was not used often and could have caused the transfer case to fail. Vehicle was in 4 wheel drive, when the whole truck shuttered, I lost the drive capabilities of the truck then stopped and looked underneath vehicle to find fluid coming out of the transfer case. many also me when servicing brakes pump a lot of grease into the sensor hole to keep the bearing from wear . What you can try in the meantime is to put dielectric grease at encoder motor on tcase and actuator connections on axle. The Best Truck Brands 2023- For Your Perfect Choice, How To Disable Alarm On Dodge Ram Pickup- A Perfect Guide. When I put it in mark, it make the grinding/buzzing noise. Therefore, it is better to check if the transfer case is installed properly when you encounter any of the above mentioned issues. disconnect and de-pin both sides and check. Solution - Reprogram the TCM with TIS version 6.0 or higher. Hence the 4WD system needs a transfer case to work correctly. DESCRIPTION. I thought for awhile I was hitting the button in some way. In my case this happened on a residential street, if it would have happened on highway it could have resulted in a very bad accident. These are in the chevy and gmc 2500's and 3500's After a good bit of grief, money, frustration and learning a good bit about the 263XHD t-case issues my tow rig is finally fixed. Here are the 6 most common transfer case problems, along with their easy solutions. 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. Replacing the chain is not as expensive as it might seem. 6.0L motor, 4L80 transmission, 4WD, crew cab, 6.5' bed. Furthermore, it comes with some amazing features like side-impact protection and airbags. Once you have observed an issue, we recommend taking the car for an expert diagnosis. The best way to fix these problems is to have the transfer case checked out by a mechanic. As a result, shifting gears will be extremely challenging. Moreover, this vehicle passes with flying colors, especially regarding comfort and safety. Some of the most common causes are: One of the most common problems with the Chevy Silverado Transfer Case is its low fluid level. What problems does the Chevy Silverado transfer case have? Also please check out the 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. Leased Cars And Oil Changes: Can You Do It Yourself? Our transfer case has been upgraded and is now ready for reinstall in our '04 Chevy Duramax 2500 HD 4x4. 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