If you hear a grinding noise, its likely that the gears in the transfer case are not engaged properly. The consumer stated there was a slight grinding noise while driving down the mountain a few earlier. What a shame that these and all other issues can't be addressed by gm. 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. What you will have to do is get it re-scanned for codes and get the code to us. If the damage is severe, the mechanic can advise for a total replacement of the transfer case. Adding too much fluid can also be a problem. The NP208 transfer case is similar to the NP203 and NP205 cases, sharing a number of applications between them, though on the 208 the casing is made out of aluminum rather than iron.. Usage: Chevy Blazer, Suburban, and Tahoe from 1981-1988. It is better to have it inspected as quickly as possible. The transfer case is what allows your truck to shift into four-wheel drive. Motors transfer cases subject to this problem were models 136, 146, 246, 261, 261HD . If quarts and quarts of fluid are coming out as soon as you pull the fill plug, then you indeed got a damaged seal. These units either carry Auto-Trak II fluid or automatic transmission fluid. There are several things you can do to fix Chevy Silverado transfer case problems. Additionally, the transfer case did not contain any fluid. Top GMC Sierra 2500 HD Problems Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail 169 people have reported this 79 Speedometer or Other Instrument Panel Gauge May Work Erratically 147 people have reported this 76 4WD Transfer Case Position Sensor/Selector Switch May Fail 105 people have reported this 38 Fortunately, this is a project that can be carried out in the comfort of your garage. Whats the procedure for engageing the 4 wheel drive on a 2004 chevy Silverado HD 2500 with automatic transmission. National Powertrain Remanufactured Automatic Transmission Assembly T260071 Part # T260071 SKU # 327607 3-Year Warranty Check if this fits your Chevrolet Silverado 1500 Free In-Store or Curbside Pick Up SELECT STORE. Chevy Silverado Transfer Case problems can be caused by low fluid levels, dirty fluid, or worn-out gears. Thanks guys. As you might know, the engines motion is transmitted through a single shaft. So, youll have to remove the front driveshaft and then pull the encoder motor. 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. Now at 279,000 miles my transfer case goes out again this time leaving me stranded on the wv turnpike. It comes with a variety of safety features, including airbags and side-impact protection. See Some of the most common solutions are: Check the fluid level and add more if necessary Have the transfer case flushed and refilled Replace the shift fork Replace the gears Chevy Silverado Transfer Case Replacement Cost After that, head over to the transfer case and loosen the nut. If you add too much, it will overflow and leak out. When this happens, the transfer chain itself will come loose. But the 4WD system works differently. Remove the driveshaft, take off the old tail-shaft seal, and then install the new one, and youre good to go. If your transfer case does not have a hole it in already, it is possible to keep this from happening with a little preventative repair! Damaged gears can also cause a fluid leak. This will include replacing the case half that has the hole in it and is not an inexpensive repair. The truck also has a comfortable interior with plenty of legroom for passengers. When that happens, you will have to replace half of the case. Similar to parts such as the engine, the transfer case needs special care and attention. 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. Search Fixya Browse Categories . The hazards: GM. When I put it in mark, it make the grinding/buzzing noise. If that doesnt eliminate the problem, youll have to replace the encoder motor itself. It may be a wiring issue or a connection problem. If youre having trouble with your Chevy Silverados transfer case, the first thing you should do is check the fluid level. I have this problem temporarily patched. The vibration is usually caused by the gears in the transfer case not meshing properly. Finally, if the transfer case is acting up, it could be related to the transfer chain. 2001-Up GM Silverado 2500 HD 29 Spline Input, 31 spline rear slip NP263XHD Elec Shift. Thats the main difference. Version 3 Modified Released September 19, 2019 First and foremost, raise the vehicle. Be sure to ask for a transfer case flush and refill specifically. Another common symptom of a bad transfer case is a grinding noise when you shift into a four-wheel drive. The Fora platform includes forum software by XenForo. First, it could be a problem with the driveshaft or differential. Depending on the problem with your Duramax transfer case, they may recommend the replacement of the affected part. It can also result in your car getting stuck. . The rear case half of this unit is made out of magnesium and the pump is made out of aluminum, which is a stronger metal than magnesium. 2) low on fluid 3) a piece of debris is lodged in the valve body spacer plate. The contact owns a 2006 Chevrolet Silverado 2500. But theres still some hope. Here are the 6 most common transfer case problems, along with their easy solutions. 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. 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. Detailed inspection procedures and each unit is factory pressure tested and comes with a no hassle warranty. Once you have observed an issue, we recommend taking the car for an expert diagnosis. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The Truck Fails to Go into a Four-Wheel Drive A Grinding Noise The Truck Vibrates The Service 4WD Light Blinks Leakage in the Transfer Case The Truck Won't Come Out of Neutral Why Do Transfer Case Problems Occur in a Chevy Silverado Low Fluid Level Dirty Fluid Worn Out Gears Improper Installation Accidental Damages Overheating and Rusting Consider this problem if youve recently replaced the old U-joints. Its a good habit always to monitor any sounds coming from your engine compartment and surrounding areas. 1194 S. Pierce My Car Will Not Come Out Of Neutral 2.8 08. If you need a new one, expect to be quoted about $2,500 for a transfer case replacement. Four Wheel Trends is dedicated to advancing the knowledge and education of automotive enthusiasts. (Buyers Guide! If the fluid is dirty, it is better to have the transfer case flushed, cleaned, and refilled again. 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. Therefore, it is better to check if the transfer case is installed properly when you encounter any of the above mentioned issues. 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. This platform was used through the 2007 model years and included the Chevrolet Silverado / GMC Sierra pickups, the Chevy Tahoe / GMC Yukon SUVs, and the Chevy Suburban / GMC Yukon XL full size SUVs. 615 Badass Jeep Gladiator Names: Find Unique Jeep Names and Find Nicknames with These Creative Jeep Name Ideas. DTC C0569 on Magna transfer case. -Replaced transfer case with upgraded transfer case to eliminate pump rub problem. Please give us a call or send us a message ASAP. When you take off the plug, you shouldnt lose that much fluid. The chevy dealer that I took my truck to never even mentioned this to me, and was very evasive about the whole issue. Our Chevrolet GMC transfer cases come with all new bearings, gaskets, seals and viscous couplers replaced, a large number of planetaries are also replaced. I will never buy another GMC (gov't. 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. If you havent replaced it before, theres a good chance its dirty. And when theres a problem with the transfer case, youll only be able to use the two-wheel drive. The problems started at around 170k when the vehicle was about 11 years old. (And How to Fix It). You can source one locally or get in touch with e dealer. The other thing you should keep a keen eye on is the 4WD warning light on the drivers dashboard. So, hod you know whether the problem is with the transmission or transfer case? You will have to take off the entire transfer case and replace the seal before putting it back on. Like a transmission, a certified drivetrain specialist should complete this rebuild procedure. This can be caused by low fluid levels, dirty fluid, or excessive heat. If you try to engage the four-wheel drive and nothing happens, its likely that there is an issue with the transfer case. Inside the transfer case, an input seal ensures transmission fluid doesnt go beyond that point. Most Silverados come with an automatic transfer case, but there are some models that have a manual transfer case. These both have happened under normal driving conditions. As we already know, the transfer case gears can wear out with time. A mechanic possesses the skills and experience needed to zero in on the problem and solve it in the correct fashion. For a better experience, please enable JavaScript in your browser before proceeding. . Noticed transmission leaking, identified that the transfer case had cracked in the slots that hold the pump. Loss of power to the drive train is not something to ignore, from personal vehicles to public safety vehicles, this power loss could turn into something much larger than some atf stain in the driveway. The hole in the image may seem inconsequential, but the reality is grave. The fluid you put into your transfer case must touch the line on your dipstick. 2003 Chevrolet silverado. 2001-Up GM Silverado 27 Spline Input NP263HD. See Add Fluid - Determine correct fluid type and add fluid 5. Replacing the chain is not as expensive as it might seem. If the truck vibrates while driving, make sure to have the transfer case checked. Make sure to pour in the right type and the right amount of fluid. As with the above problem, you cant know whats causing the grinding noises until you open it up. Well, perhaps you have a pinhole leak on the transfer case. If the transfer case is found liable, the only option would be to replace it. See I have service records showing all the repairs. A transfer case is used on 4-wheel drive vehicles. All do-it-yourself projects entail some risk. also keeps -Replaced brake lines, calipers, pads, rotors, shocks and more. A bad installation can cause issues in the drivetrain, the transmission, and other truck components. If you are also finding it hard to engage or disengage the 4WD, the transfer case might have a problem. As that happens, the transmission fluid does make contact with the transfer case. many also me when servicing brakes pump a lot of grease into the sensor hole to keep the bearing from wear . also keeps water out just like a boat trailer hub assy. The noise became louder and the contact later discovered that the bearing and timing chain were damaged. Install the new one, and then pull the encoder motor issues n't. Any of the transfer case is installed properly when you take off the plug you... Locally or get in touch with e dealer there was a slight grinding noise its. Problem were models 136, 146, 246, 261, 261HD additionally, the case! Ensures transmission fluid damage is severe, the first thing you should keep a keen on... 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