As the car owner, you will be the first to experience any of the above warning signs. 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. No codes nor "Service 4wd" messages are displayed. 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. the sensors go bad because the bearing is rusting out or it is creating metal debris causing the sensor to be unable to produce a good signal at slow speeds. Goes into four wheel drive on its on. If the input seal is worn out or broken, there is no other way to fix it except to replace it. Its being called the infamous pump rub. Like I said, it does seem to me to be electrical and it sounds like you guys agree with that. Regarding Duramax transfer case repair and replacement, there are two ways to go about diagnostics and repairs. Let alone the transfer case. Therefore, it is better to assign the task to an experienced mechanic. After some time, the fluid pump leads to wear of the transfer case, especially around the back. U-joints can be a pain in the neck to deal with. Ah. I just noticed the problem a couple of weeks ago. If you miss out on timely maintenance, the transfer case might fail to function, and you will have to replace it altogether. He didny have any problems after that. ), 4 Most Common Problems With The Ford F150 (Answered! You may realize a decrease in the Duramax power and performance. Also, a faulty transfer case can be diagnosed during car service. By doing so, you will remove the contaminants affecting the system. The VIN, engine size, and purchase date were unknown. See The approximate failure mileage was 163,000. The contact discovered that the transmission was leaking fluid while backing out of the driveway. 6 turbo diesel 2500 hd silverado, the four wheel drive will not engage light keep flashing, service 4 wheel drive is on , this truck only has 19,000 miles on it. While accelerating to 10 mph, the contact heard a loud vibrating noise. Even before we can list some of the common problems associated with a Duramax transfer case, we must define what it is. And if you choose to pay somebody for this job, expect to pay anywhere from $600-$700. A professional diagnosis is the best method of figuring out whether the issue is with your Duramax transmission or transfer case. It was from a tire distributor that has a number of these particular trucks. Hope this helps. Certain types of problems can be annoying to deal with. The oil lubricates the gears and keeps them from wearing out. Keep in mind that resetting the TCM will not solve any problem with the transmission internally. This should not be happening on vehicles this new with little miles on them. You may confuse it with the differential. Wrong clip on oil pump in transfer case wears hole in case . If you continue pushing a faulty transfer case, the results can be quite disastrous, and you may also damage the surrounding components. In some cases, the shift fork breaks down, which results in a truck failing to come out of neutral. Remove the driveshaft, take off the old tail-shaft seal, and then install the new one, and youre good to go. the sensors go bad because the bearing is rusting out or it is creating metal debris causing the sensor to be unable to produce a good signal at slow speeds. Another common culprit is leakages. Easy to use parts catalog. They pretty much have everything you need for this. Like a transmission, a certified drivetrain specialist should complete this rebuild procedure. See 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. Now at 279,000 miles my transfer case goes out again this time leaving me stranded on the wv turnpike. Finally, if the transfer case is acting up, it could be related to the transfer chain. When it breaks, the transfer case will continuously pop out of the 4WD. However, if that doesnt work out for you, you might have to reset the transmission control module. Repair cost approx. The vehicle was repaired. It has a fairly large engine capacity of up to 350 cubic inches and can tow up to 12,000 pounds. You will have to take off the entire transfer case and replace the seal before putting it back on. Once you have observed an issue, we recommend taking the car for an expert diagnosis. here is a test, put it in 4wd and turn the wheel tight (do this on the street or parking lot) then give it gas, half throttle or better, it the truck shudders, and bucks, the the chain is stretched and needs replacement. The "service 4 wheel drive" message popped up and the knob to change from 2wd - 4wd light was stuck on 4wheel drive (i turn it to 2wd drive and it showed that it was in 4wd) but 4wd wasn't working. This is not a problem if youre using the 2WD system. Well, you might have a faulty encoder motor. The vibration comes from the improper meshing of the gears. You can tell if the fluid is dirty by looking at it. There are some common problems with the transfer case in GM trucks and SUVs. The problems started at around 170k when the vehicle was about 11 years old. First, it could be a problem with the driveshaft or differential. Our transfer case has been upgraded and is now ready for reinstall in our '04 Chevy Duramax 2500 HD 4x4. I have not yet had a problem with the brakes, yet, but I tell you, it will be looked into. 2003 Chevrolet silverado. 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. Wish I knew how to tell you how to diagnose before changing, but I don't know. You should also have the transfer case flushed and refilled if youve never done it before. Worn-out gears can also cause the transfer case to leak. There are several things you can do to fix Chevy Silverado transfer case problems. Unlike dealerships or many independent repair shops, we are transmission specialists trained to fix issues related to a vehicle drive-train. I have a 2005 Chevy Silverado and it won't go in to 4 high and it's hard and it grinds when I put it in 4 low and now my truck make a noise even in 2 wheel drive is that a bad transfer case or can I put oil in it and may be safe it I . It transfers power from the transmission to the rear and front wheels. A standard Chevy Silverado transfer case costs between $1000 and $1500. Are Pickup Trucks Safe For Babies? . You can have the flush and refill done at most auto shops. When I put it in mark, it make the grinding/buzzing noise. Not too much further down the road, I pulled up to a stop sign and when I went to accelerate, the truck wouldn't move. The contact stated that while driving approximately 55 mph, he noticed a ticking sound from the vehicle. If your Duramax transfer case is misbehaving, there are usually a couple of factors to blame. Can A Bad Coil Cause Knocking? One thing you should know about it is that it does not burn up like engine oil. You can reach out to either location that is most convenient for you. The truck was first introduced in 1998 and it has been a favorite of truck lovers ever since. Alternatively, you can take your car to the dealer. The interior is comfortable and also provides sufficient legroom for the passengers. It just won't go in 4L. There is mechanical equipment found inside the transfer case. Its being called the infamous pump rub. The problems started at around 170k when the vehicle was about 11 years old. Dirty fluid is another cause of problems in the transfer case. Also, we suggest going to a Transtar if you live by one. 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. As expected, changing the transfer case fluid will fix the issue. If this doesn't correct the problem, then the next suspect is the transfer case control module (TCCM). The hole in the image may seem inconsequential, but the reality is grave. Similar to parts such as the engine, the transfer case needs special care and attention. Detailed inspection procedures and each unit is factory pressure tested and comes with a no hassle warranty. Chevy Truck Transfer Case Noise 2.3 03. Most of the time, when it is leaking, crawling underneath the truck is more than enough to find the leak. If the transfer case is found liable, the only option would be to replace it. Cover this product: 4-Year Auto Accessory Protection Plan $18.99 Learn more This information tag is located on rear of transfer case near where the driveshaft exits. Can You Put 33 Inch Tires on a Stock Sierra? Thanks to the capabilities offered by a transfer case, a Duramax engine can perform better and more efficiently than a standard engine. For example, the transfer case might pop out of gear, or you might have noticed the massive puddle of transfer case fluid underneath the vehicle. Chevy Silverado Transfer Case Problems and Solutions! However, you can mess up pretty badly if you dont have a proper manual. If the fluid is below this line, you need to add more. Transfer case/differential,service 4x4 lights keep coming on, brakes, shocks, bumper pad falling off, transmission clunking noise, would not start. Replacing the switch was an instant fix. Not unless you are a skilled mechanic, you will always be confused by the two. But if theres anything else you want to know about transfer case problems, check this section out: Generally speaking, if your transfer case is not working, youd hear a grinding /metallic sound coming from underneath the vehicle. All you need to do is remove the old tail shaft seal, fit a new one, and you will be good to go. Overheating can also result in bad gaskets, bearings, and seals. Came across a little crack in the truck connector to the encoder motor. In the pictures below, you can see the ears on the edge of the pump and the indentations where these ears sit inside of the transfer case: The pump is designed to float inside of the transfer case and is kept in place by the ears around the edge of the pump. 1995 Chevrolet Silverado cesspool. What is an Odometer Statement and Why is it Important? However, when this switch breaks, youll get the service 4WD light on the dashboard until this problem gets fixed. 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. These parts are bound to wear out as well, and a malfunction can lead to the production of grinding or humming noises whenever you are driving. 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. Whether its a leak, worn-out seal, or damaged part, the mechanic will advise on the way forward. Thanks guys. You must remove the dipstick from the transfer case to check the fluid level. 2022, CarProblemZoo.com All rights reserved. There are no many parts inside. Instead, it wears out over time. One of the most frequent Chevy Silverado transfer case issues is low transmission liquid. The vehicle was taken to a dealer where it was diagnosed that the u-joints needed to be replaced. Whenever you are taking your car for servicing, ask the technicians to inspect the condition of the transfer case. . While it doesnt seem like a big problem, it alludes to a malfunctioning transfer case. If the transfer case is not working, you wont switch from 4WD to 2WD back and forth. How to Reset AC on Chevy Silverado? This is a problem that is common in older Duramax engines. On average, this job takes about four hours. Slide under and locate the transfer case motor. You must always check the fluid level of your transfer using a dipstick. 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