Probably the only time I'll ever have to replace it. I hear it engage especialy in 4Low but no drive to the front wheels. But if you are getting a code, the problem is still likely not your module. Disconnect the encoder motor electrical connector. May 07, 2018 You have a switch on the instrument panel? Then I have to go through the same ritual all over again. When in 4wd mode, a switch on top of the transfer case conducts 12 volts out to the actuator. After charging battery and running car for a little bit the service 4 wheel drive light came on.
So if i switch them around, the wire for the lock will power the unlock and unlock my axels right? What could be wrong, and where do you start looking? Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners. Just go ahead and call the phone number at the top of the page and a friendly specialist will help you out. I'm trying to get my axels to unlock by removing it. . Although this failure can also result from a different mechanical or electrical fault, the shift motor is often the cause.
I didn't have any luck locating the tutorial but the Amazon link for the actuator is still valid. This article applies to the Chevrolet Silverado 1500 2014-present. The light never went on, and I could tell it never engaged still could spin the rear tires. The clip holds a second connector in place. To disable the transfer case i could take the atc fuse out of the fuse box under the hood right? However, it requires a small harness addition, a spacer, and a new actuator. Mar 30, 2017 On a newer truck such as yours, the problem is usually the blend door actuator.
I know for sure that the hubs aren't locking and that the front driveshaft isn't turning. The code was for the transfer case encoder motor function, so we went to amazon and got a factory replacement. Link to the part used: We would like to give a major shoutout to Joakim Karud for allowing us to use the music featured our video! But this 4wd is driving me nuts! They may really tiny cracks that are hard to be seen with the naked eye. When I press the button to shift it into 4wd. Must be for the push-button T case or something. On the outside of the actuator case it is stamped 2787367A396 and on the black actuator 9902102.
Let us know how it goes. Do the hubs lock with a solenoid or something or do they need input power from the front axle? Good Luck Posted on Dec 15, 2009 Hi, Go search on a Chevy Forum, but likely the solenoid that shafts the transfer case is faulty. It should be placed on a diagnostic machine to determine if the system is faulty or if it is just a bad switch. The transfer-case accuator was replaced. I'll be reading this post to find out what you discover. Other types have just the circuit operation which can become faulty.
What could be wrong, and where do you start looking? These are very easy to change - just thread out the old one, and thread in a new one. The actuator is usually the problem 90% of time but recheck all of the wire harness just to maker sure there is no short before replacing any parts. There is not much of. Here is an old thread where I supplied a link to a great tutorial by a previous member: Check Post 6. These are very easy to change - just thread out the old one, and thread in a new one. I never had this problem before, and it worked fine in the snow all winter.
Let us know what you find. When shifted out of 4wd, the switch opens up and no voltage goes to the actuator. Here is an old thread where I supplied a link to a great tutorial by a previous member: Check Post 6. If it has 12 volts, the actuator is the problem. Probably the only time I'll ever have to replace it. Replacement brand parts are the most affordable solution for your replacement needs! I would check voltage at the connector for the front actuator at the front differential - it looks like a large bullet that threads into the front diff. I put the truck in low range out in a field and let it creep in 1st gear, and I hopped out and the shaft is definitely not turning.
I'm not sure if its exactly the same with the push button, but there should be a plug on the transfer case that runs up to the actuator. Thanks, Phil Phil, No problem. Until I push button 2wd three times, then its out of 4wd. If it is a 4-wheel drive then it will be bolted in the transfer case tail shaft housing were the rear drive shaft goes into the transfer case. I have a 1999 Silverado 1500 crew cab, good motor.
Is voltage greater than 10 volts with brake pedal applied and less than 1 volt with brake pedal released? Had 4x4 but next day didn't. AutoTrust Platinum provides a growing selection of low-priced switches, relays, and wiring components. And once the shift motor fails, your truck might get stuck in two or four wheel drive. Check voltage at the connector for the front actuator at the front differential - it looks like a large bullet that threads into the front diff. This article will tell you everything you need to know about your Silverado's transfer case. The harness should be the same length, and the connectors should be located in the same spots.
If it does not have 12 volts, check the transfer case switch and the power feed to the transfer case. But its not the problem this time. Looking through my haynes manual, there is a transfer case control module located to the left of the instrument cluster behind the headlight switch. I'm putting it away for a few months to do work on it such as lifting, new brakes and other toys added to my truck. Follow the steps below to properly replace the damaged shift motor in your Silverado. I have been trying to find out why my 4x4 is not working for weeks. Thanks, Phil Phil, No problem.