The basic system consists of a transfer case motor and encoder, front differential actuator, transfer case module, speed sensors, switches and park input and output to the pcm. All the guys i know and met over the years all prefer and have manual s. Chevrolet 200089, gmc 200089, oldsmobile 199796, oldsmobile 199491 application attributes. This 4x4 switch is a direct replacement for the factory switch on your chevrolet silverado, tahoe, suburban, avalanche, gmc sierra, yukon, yukon xl, or cadillac escalade. Getting back to the transfer case, you said you worked on them. Both use the same controls and happen to have stored the same dtc. What transfer case do i have in my 2004 chevy silverado 5. This 4x4 switch is a direct replacement for the factory switch on your chevrolet silverado, tahoe, suburban, avalanche, gmc sierra, yukon, yukon xl, or cadillac escalade vehicle.
Transfer case fluid change ask the gm technician gm. Rockauto ships auto parts and body parts from over 300 manufacturers to customers doors worldwide, all at warehouse prices. All our 2007 gmc sierra 1500 transfer case inventory come with a 1year warranty, free shipping and 30day money back guarantee. Shop gmc sierra 1500 transfer case switch finding the right gmc sierra 1500 transfer case switch mustnt be a hassle. B2725 fix transfer case switch replacement service 4 wheel. Gm transfer cases, duramax transfer cases, remanufactured. We have more than 15 years of oem parts experience. In my chilton manual, it says to use gm transfer case fluid. Buy a 2007 gmc sierra 3500 classic transfer case at discount prices.
The worst complaints are engine, seat belts air bags, and transmission problems. The transfer case module sends 8 volts to the switches, then monitors the return circuit to determine whether any of the switches is depressed. The transfer case control module tccm is a specialty of the general motors 4wd operation. I changed the actuator on the differential and also changed the encoder transfer case motor like some peo read more. Transfer case switch fits 20032007 gmc sierra 1500 sierra 2500 hd sierra 1500,s fits. Chevrolet silverado gmc sierra 2500hd 3500hd with 6. Chevy silverado new body style 1500 2500 hd 3500 hd 4wd with aluminium shift transfer case with manual shift transfer case with 1 speed fulltime transfer case 2007, gm original equipment transfer case shift mode synchronizer. How you did with front differential that works with another motor did you put switch. The decoder box in a push button andor switch in the dash can wear out.
Service 4wd message may be displayed on chevrolet silverado 1500. Canadian owners a french language copy of this manual can be obtained from your dealer or from. I am changing out the transfer case fluid and had been informed by the michells guide in the maintenance fluid section that it takes the gm autotrack ii fluid which is what i used. If the transfer case shift control switch buttons all blink only once and then stop, no fault codes are stored in the transfer case shift control module. I ve seen numerous driveshafts strip the ually due to lack of lubrication.
Gmc sierra 1500 transfer case switch transfer case. The 4wd transfer case encoder motor position sensor or the selector switch may fail causing the service 4wd message to be. When the vehicle is new, follow the maintenance schedule to the letter, record it in your owners manual and keep all receipts to protect the warranty. Changing transfer case fluid guide 199920 silverado. Highrange four wheel drive highrange fourwheel drive, marked as 4 on most transfer cases, is designed for use on loose or slippery surfaces. Transfer case control module symptoms you should not ignore. More than one vehicle price is for 1 adjust qty as needed. The dorman 600909 transfer case shift motor restores shifting function in the transfer case in your 20032007 gm 6. Just use a bracket off a 95 chevy truck or blazer that has 4wd manual on floor.
Im getting ready to drain and fill my transfer case for the winter. Since this part is a direct replacement, the exact fit adds another layer of efficiency. Thanks everyone who posted this also help me with my 2007 tahoe that was having same problem. The transfer case control module symptoms make you aware of any problem. No rating value for duralast transfer case switch sw3466. Some owners manuals may say to use automatic transfer case fluid gm part no.
Choose top quality brands diy solutions, dorman, replacement, skp. The middle is ground, and the bottom left gave me 12v of power. Replacing push button transfer case with manual transfer case. Compatible vehicles this power 4wd switch fits for 20062007. View and download gmc 2007 sierra 1500 pickup owners manual online. You would usually have a fault code set if this is the case though. Taking the electric 4x4 actuator off a gm 99 blazer or most gm trucks. What i meant by stronger, is the push button is not strong for constant use like a manual lever. This switch is also referred to as a transfer case switch, all wheel drive switch, 4wd switch, four wheel drive, or 4x4 switch. When one dtc is stored in memory, that code will blink that number of times followed by a.
Four wheel drive free delivery possible on eligible purchases. Gmc 2007 sierra 1500 pickup owners manual pdf download. If i put it in 2wd and switch to auto it will work in 2wd drive then later it will switch to 4wheel drive. Gmc sierra 4wd with manual shift transfer case 2007, gm original equipment transfer case shift fork by acdelco. Chevrolet silverado 1500 service 4wd light on repairpal.
If you have the manual transfer case lever actuated, use dexroniii automatic transmission fluid. With a simple press of the transfer case control switch, the driver has the option of selecting auto 4wd, 2hi, 4hi, 4lo or neutral. The 4wd transfer case encoder motor position sensor or the selector switch. Dormans transfer case motor comes complete with all the necessary electrical pins and plugs to do the job right the first time. Chevrolet silverado 1500 questions y wont my truck come out of 4. Drivers will need to shift the transmission into neutral to disconnect torque to allow the transfer case to shift gears. Taking the electric 4x4 actuator off a gm 99 blazer or most gm trucks transfer case and making it manual for a cheap, reliable, permanent fix. Designed utilizing the latest technology, this product by acdelco features premium quality and will perform better than. If you have an automatic transfer case push button actuated, you should use the fluid that gm recommends. If the vehicle is sold, leave this manual in it so the new owner can use it. Transmissiontransfer case output speed sensor application summary. The atcm monitors inputs from the transfer case control switch, front and rear driveshaft speed sensors pro. I just purchased a 2000 gmc sierra 1500 and didnt know if it requires transfer case fluid instead of gear oil.
Hey guys was thinking about switching from my push button to manual shifter for 4x4 in my truck. All of its functions involve the shift processing the shift request, executing it, and verifying the completion. Transfer case fluid chevy and gmc duramax diesel forum. Chevrolet silverado 1500 questions what transfer case do i have. It controls the electronicallyoperated 4wheeldrive system. Shop here and enjoy a wide selection of highquality parts at affordable prices. To access the dtcs, you will need to hook up a vehicle diagnostic scanner utilizing the service port under the driver side portion. For some reason my 1999 silverado has a manual t case when it should be electric. Updated version 4x4 4wd switch 901072 for chevy silverado gmc. In many cases the initial maintenance check is done at no cost check with the service department for more information. Buy 4wd selector switch, 4x4 fits chevy silverado, suburban, avalanche, gmc yukon, xl, sierra 2003 2007 replaces 19259312, 15164519, 156040 4 wheel drive transfer case switch for chevrolet. On my 4x4s in the past, ive used synthetic gear fluid in the transfer case. The most commonly reported 2007 gmc sierra 1500 problem is.
Buy high quality used 2007 gmc sierra 1500 transfer case cheap and fast. In this setting, the front axle is engaged, and the transfer case then sends power to both the front and rear axles and to all four wheels. Keep this manual in the vehicle, so it will be there if it is ever needed. Silverado 4 wheel drive issues ericthecarguy stay dirty. Gm does have a bulletin out on some of these for the transfer case actuator sensor failing internally and confusing the computer on what gear it is selected in and their correction was to remove the transfer case motor and take it apart and replace this sensor. But after further reading it shows 2 different transfer cases which only one calls for the gm fluid and the other calling for manual trans fluid. Buy a 2007 gmc sierra 1500 classic transfer case at discount prices. Chevrolet silverado tahoe gmc sierra transfer case shift.
I ended up having to replace the transfer case shift motor again anybody know. So i moved to on test the transfer case switch the one of the t case manual t case its really tight in there so i was not able to get my leads to my dmm on the switch with out pulling it, so i tested the connector. Plowed with the truck for three years and was always having issues with the push button 4wd, kept taking it back to the gm dealer, during this time i replaced 1 actuator, 1 push button switch, 1 tccm, and 2 transfer case shifter motors first one was on. What would be all needed besides the different transfer case, shifter and console, and shifter. Nfab wheel to wheel nerf bars, resonator delete, pcv reroute, egr block plate, 3 mbrp downpipe, 4 mbrp straight pipe exhaust, edge insight cts, efi live dsp5, air dog ii 165, stock fuel filter delete. Similar to the np263 transfer case it differs in being a manual shift. The dashmounted transfer case mode control is a set of normally open switches that vary the voltage supplied by the transfer case module when closed. I have a 2007 manual shift transfer case, while driving in 2wd my 4 hi light will flash and hubs will try to engage, stop and check wires at pcm and upon moving them will hear actuator clicking on and off and 4hi light will come on and off, so must be a bad wire as to new transfer case, new hub assemblies new actuator new 4x4 shift. I bought my 03 2500hd ecsb about 4 years ago, low mileage rust free truck with service history from the dealer. Vehicle specific duralast transfer case switch sw3466. I push the button nothing happens it doesnt even blink same as the auto button doesnt even blink like it is. The other two connectors gave me nothing no power nor ground.
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