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  1. AltxF4

    AWD front diff, Broken mounting ear on pass side, Weldable?

    In the process of replacing my trans I decided to attack some oil leaks. While lowering the front differential to do the oil pan gasket, I found that the passenger side of the front differential has the rearward side mounting ear broken off. I have no idea how long this has been broken, but I am...
  2. AltxF4

    Best place to buy a reman 4L65E, shipped or local Sacramento?

    Well I guess I did it. It looked like it was in there good, but when I did my Corvette servo upgrade I must not have had the big snap ring seated right. I cracked my transmission case around the 2-4 servo. I need to get a rebuilt trans, and really don't want to get a JY trans. Who all do you...
  3. AltxF4

    4L65E corvette servo upgrade, now no 2nd gear

    So I have had the Corvette servo parts sitting around for a while now, and I figured I would install it while I was doing the trans fluid and filter change. I got it all done and installed, and now I do not seem to have a 2nd gear... I still have 4th though. What the heck did I do wrong...
  4. AltxF4

    MM H1 7.0 Retro, Blacked out headlight housing on Pewter metallic XL Denali?

    I am in the process of doing a retrofit on my 03 XL Denali using the MoriMoto H1 7.0 projectors. I picked up a pair of TYC projector headlights on ebay for $85 (my OE units are old and crusty). When testing beam patterns, I get some bad reflection off the chrome of the bowl where the projector...
  5. AltxF4

    Increase gas pedal return spring pressure?

    I don't know if it is just me or what, but I feel may gas pedal return spring is just too weak for how sensitive my throttle response is. A slight bump in the road, and with the light pressure needed to hold my throttle constant I end up surging a bit. This is probably not great for any attempts...
  6. AltxF4

    Where to 03 Yukon PCM flash for e-fans in Sacramento, CA?

    I am getting all of the parts together for a e-fan install on my 2003 Yukon XL Denali, and the most problematic part I am running in to is finding a place that can do the PCM flash. Is there anybody local with the tools that can help, or know of a shop that can do it? thanks, Jon
  7. AltxF4

    New Member with New to me Yukon XL Denali

    Hi everybody, I just purchased a used (obviously) 2004 (Docs say 2003) Yukon XL Denali for my business. I got a great deal on it, and overall it in great condition.... a few little issues ( rear auto level shocks blown, but no info on DIC), but nothing crazy since I can do all the work myself. I...

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