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1-15 of 15 Results
  1. GM Powertrain
    Of course it happens in winter, but the 4wd on my '98 has stopped doing its thing. When I press the selector buttons, you can hear it trying to do something, but it cannot seem to make any shifts. The lights on the buttons act like they get confused -- like the TCCM cannot tell what position the...
  2. Chevy Suburban Forum (GMC Yukon XL)
    The 4wd will not engage in my suburban. The 'Service 4wd' light is on as soon as I start it. The switch would intermittently light up but would not change to anything other than 2wd. When trying to engage 4wd lo or hi it would blink for ever. I swapped the switch and it will do the same thing...
  3. Chevy Suburban Forum (GMC Yukon XL)
    Hey guys, long time lurker but first time poster. I have a 99 GMC suburban 5.7 335k miles NP8. I live in North Dakota and I've recently been getting a service 4wd light on the dash seemingly when the temperature is below freezing. Scanned the code with a snappy scanner at work and came up with...
  4. Chevy C/K Truck Forum
    ok, more issues. working on the front axle actuator. its the 2 wire setup thermal linear actuator. my issue is that the wiring harness is broken. the actuator itself has 2 black wires. so i dont know which wires goes to which. also there is a 4 way connector that has 2 wires from the harness and...
  5. Chevy C/K Truck Forum
    I have a 1995 Chevrolet K 2500 with a 5.7 L 350 motor in it it ran without oil hauling a bit of a scrap lumber load and stopped on the highway I had it sitting on the property for a little while when I decided to charge up the battery and turn it over again and it did turn over but will only...
  6. General Chevy & GM Tech Questions
    So I have an 05 Seirra 4WD and a low oil pressure light keeps coming on, i'm not sure why this is, but it's usually after I've been driving for about 30 min, or when i stop but my oil gauge drops. i've replaced the sensor already and i am still having this issue. Do I need a new engine, or is...
  7. Chevy Silverado Forum (GMC Sierra)
    I have an '06 with auto trans and manual transfer case. While changing my transmission lines I saw what looks like a big solenoid on the front axle going to the differential. What is it? What makes it go? What makes it stop?
  8. Chevy C/K Truck Forum
    My whole front end has been redon except I can't find lower control arms anywhere? I heard they stopped making them but I don't want to believe it so if anyone knows where I can find some I'd appreciate it! I assume if I can't I will need to get new bushings and lower ball joints and paint my...
  9. Chevy Colorado Forum (GMC Canyon)
    Hey guys, probably a stupid question but I’m new to the Colorado club. I have a 2005 crew cab 4wd and I’m not getting any power to the switch on the dash. Brand new switch from GM and the fuse is good (same fuse as ABS) What would cause the lights to not come on on the 4wd switch on the dash?
  10. Chevy Suburban Forum (GMC Yukon XL)
    Truxperts, Took the 'burban (100K mi) to mechanic because front end would make low whining and cause notable drag when put in 4WD (whining and drag continues in neutral while coasting, but stops as soon as 2WD is selected). Mech called and said, "front diff has come to pieces. Had oil in it, so...
  11. Chevy C/K Truck Forum
    Hey guys, new to the forum. I have a 1999 Chevy Tahoe 4wd with the 5.7 Vortec that ive been working on, its my daily driver. A little background. I had a misfire show up a few weeks ago, po1345, po141, po161 codes all stored. After some research, decided to do timing set (truck as 201k on it)...
  12. Chevy Silverado Forum (GMC Sierra)
    I have an 07 Sierra classic and the 4wd is not working. I press the auto 4wd, 4wd hi, or 4wd low and the light just flashes. I can hear the transfer case trying to engage. I have verified the ground connection under the driver and have replaced the dash switch. I do get a "Service 4wd" on...
  13. Chevy Silverado Forum (GMC Sierra)
    I have a 2005 Silverado 5.3 4wd crew cab. I bought the truck as is with the 4wd not working. I have since replaced the switch, the module, the encoder motor, the encoder motor harness, and the actuator. Also checked the frame grounds and the fuse box. After all of this and countless frustrating...
    4wd
  14. Member Introductions
    Hey guys! I'm Josh, straight outta Mobile. I signed up cause I kinda wanna keep this thing forever. Been changing stuff whether it needed it or not since I got it. I'd like to get it back close to factory. Anywho, you'll be seeing me around here and there checking out your rides and asking lame...
  15. Chevy Silverado Forum (GMC Sierra)
    I'm 21 just starting out my mechanic career, and I have a 2000 Chevrolet Silverado z71 4x4 with the 5.3l that either needs a new frame or to repair the old frame. Now with that said i am looking at at a 2000 Silverado that's only a 2wd but other than that its the same dimensions engine and...
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