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  1. M

    2nd transfer case cracked

    99 GMC K2500, 5.7L, 4l80e, np241c. This summer my transfer case broke around the front output shaft when I got stuck pulling my boat out of the lake.i bought a used one and rebuilt it. Now the rebuild one broke while plowing snow in the same place. The front driveshaft u-joint had also thrown a...
  2. M

    Rear brake locked up?

    (1999 GMC K2500 8 lug 5.7) Went to use the truck and right rear wheel was skipping on road.. If I backed up it was fine, go forward again and still not turning. Went back and forth a few times and it started working. Brakes were replaced last year and don't have many miles on them. Haven't...
  3. M

    What are the differences between 1998 and 1999 classic?

    I have a 1999 k2500 classic 5.7 vortec. Almost every time I go to buy parts the dimpled face kid behind the counter gives me parts for the 99 new body style. I always say 99 classic, but he is to busy to listen because he wants to get back to TikTok. I have started to say I have a 1998 just to...
  4. M

    Volatile body parts prices

    I stopped by my auto parts store to order a front fender. I was going to buy it from them to avoid the shipping cost that almost equal the fender price. The manager said what ever price he quoted me today could be $100 more than the price when it came in. He said the market is that volatile...
  5. M

    2 wheel and 4 wheel buttons won't stay lit

    99 GMC K2500 Classic. When I switch from two wheel to four on the dash buttons the four button lights up. After awhile none are lit up. Same thing happens when switching from four to two, after a while the two drive light goes out. The four wheel high, four wheel low, and 2 wheel drive are...
  6. M

    Torque Pro app.

    1999 GMC "classic" K2500 5.7 vortec 4l80E I just installed the Torque Pro app. I was hoping I could get my transmission temp off it. The PID for it is there, but I am getting no data. The torque PID has no data either. For $5 plus the Bluetooth OSB2 reader kind of fun to play with. Anybody get...
  7. M

    Missing RPO codes

    Forgive me is this is the place to post. The decal for RPO codes in my glove box is unreadable. Is there a way to find out what I have by VIN # someplace?
  8. M

    Front end sag with snow plow

    I have a 1999 K2500 single cab long box 8600#. It had a snow plow on it when I bought it and I use as a plow truck and daily driver. The truck didn't sag much when I bought it. I have replaced both upper and lower ball joints, tie rods, idler arm and bracket, pitman arm, bearing hubs, brake...
  9. M

    GM replacement engine set up for towing

    First time posting, but following for a long time. I have a 1999 GMC K2500 "classic" with a 5.7 vortec. The speedometer was broken when I bought 2 years ago reading 161,000 miles, so actual mileage unknown (speedometer and odometer working now). The engine went out this summer. I didn't have...

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