GnatGoSplat Posted June 3, 2003 Report Share Posted June 3, 2003 Is the SS AWD front diff identical to the regular 4x4's? If not, what are the differences? What is used in place of the optical encoder motor that engages the front axle in the regular 4x4's? Link to comment Share on other sites More sharing options...
SSilverado60 Posted June 3, 2003 Report Share Posted June 3, 2003 everything is the same except they have a 1 piece axle there instead of the 2 piece to engage the 4x4. That is how the 4x4 in these engage right? a 2 piece axle with a collar to slip around it to make 2 axles become on piece?? Link to comment Share on other sites More sharing options...
GnatGoSplat Posted June 3, 2003 Author Report Share Posted June 3, 2003 Thanks, I do believe it's a 2-piece axle in the regular 4x4's and the encoder motor engages to lock the 2-pieces together. So if I were to replace the manual transfer case in my 4x4 Silverado with an AWD transfer case, all I would have to do to make it work like an SS is to make the PCM think the truck is in 4x4 mode, and it will keep the encoder engaged. I believe that's as simple as connect 2 wires together. Does that sound right? Link to comment Share on other sites More sharing options...
BenKey Posted June 4, 2003 Report Share Posted June 4, 2003 You make it sound so easy. I bet that there is much more than that involved. If this is what you plan on doing, be prepared. Link to comment Share on other sites More sharing options...
marc_w Posted June 5, 2003 Report Share Posted June 5, 2003 Here's an exploded picture of a 4x4 / AutoTrac, 1500 / 8.25" ring gear front diff. Link to comment Share on other sites More sharing options...
gabbett1 Posted June 13, 2003 Report Share Posted June 13, 2003 Are you sure it is that simple to do. I had a 2000 Silverado and when I drove with the 4x4 on it didn't like it when I turned. It felt like something was binding it up. It is the same for every other 4x4 I have driven. The SS however is smoth. It just doesn't logically seem right to me that the parts are the same except for the axles. Link to comment Share on other sites More sharing options...
GnatGoSplat Posted June 13, 2003 Author Report Share Posted June 13, 2003 Are you sure it is that simple to do. I had a 2000 Silverado and when I drove with the 4x4 on it didn't like it when I turned. It felt like something was binding it up. It is the same for every other 4x4 I have driven. The SS however is smoth. It just doesn't logically seem right to me that the parts are the same except for the axles. The reason 4x4's bind up is because the transfer case distributes power to front and rear evenly and allows for no slip. It is firmly locked. The AWD transfer case has a viscous coupling that allows it to slip. Link to comment Share on other sites More sharing options...
Pilot135R Posted August 15, 2003 Report Share Posted August 15, 2003 Viscous Coupling! Reminds me of my honeymoon! Oh wait! I can't remember! Link to comment Share on other sites More sharing options...
Silvsteve Posted August 15, 2003 Report Share Posted August 15, 2003 Woohoo get to advertise one of my favorite pages! 4 Wheel Drive Differentials Basically AWD you have 3 differentials giving all wheels equal torque. So much better than 4x4. Read the above links... Great Info! Link to comment Share on other sites More sharing options...
johnsen Posted August 17, 2003 Report Share Posted August 17, 2003 Viscous Coupling! Reminds me of my honeymoon! Oh wait! I can't remember! Link to comment Share on other sites More sharing options...
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