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  1. SLCHOE

    4WD Switch?

    Sweet. Thanks!
  2. SLCHOE

    4WD Switch?

    ATIII who makes those nerf bars/steps on your rig? I like them.
  3. SLCHOE

    4WD Switch?

    Fork?
  4. SLCHOE

    4WD Switch?

    The encoder motor position sensor is a $40 part inside of the $500+ encoder motor. The motor itself either works or it doesn't in the majority of cases. The $40 sensor is what is the problem 9 times out of 10. Pull the encoder motor down and open it up. Replace the sensor and save yourself...
  5. SLCHOE

    P1639 P1635 and ecm b fuse blowing

    Disconnecting them takes them out of the scenario. Adding them one by one will tell you which one (or possibly ones) are your issue (the fuse will blow). You say it takes time to blow the fuse so this simple approach probably wont work if it's not intantly blowing at key on. Based on what I...
  6. SLCHOE

    P1639 P1635 and ecm b fuse blowing

    Disconnect the fuel pump relay and put in a new 30A ECM B fuse. Turn the key. If the fuse still blows, there is a problem with your ECM and specifically the 5V reference circuit driver shorting to ground internally. If this is the case, there is a chance that the ECM is ok but one of the...
  7. SLCHOE

    Stalling, no codes

    Is the MAF dirty? Clean it.
  8. SLCHOE

    2004 Tahoe fuel issues.

    If you are doing it on jackstands it will be about 2.5 hours. Just make sure you run the tank empty before you do it. Spray all the fuel tank hanger hardware with penetrating oil 10 minutes before you remove them and take your time with the fuel line connections. Also don't kink or break any...
  9. SLCHOE

    clunk when traveling over bumps or releasing brake from complete stop

    Honestly, it's probably the crappy gov-lock diff.
  10. SLCHOE

    Trying to pass smog in cali :(

    I actually remember a car I was having trouble with getting the monitors ready (used cars at a Honda Dealership) so we could do the I/M. After hours of driving I found the drive cycle and I remember the first few instructions involving letting it idle for 5 minutes and then turning the A/C on...
  11. SLCHOE

    whine while holding speed and accelerating

    Check the u-joints of your drive line.
  12. SLCHOE

    04 Yukon, can't get brakes bled.

    Lift the rear of the truck a little higher than the front and do an ABS bleed via scantool. Then bleed both rears first.
  13. SLCHOE

    Power Loss, Bad Mpg, Weird Shifting

    What is your fuel pressure under load?
  14. SLCHOE

    OK someone tell me what this noise is

    This. You have loose lugnuts or the wheel is not flush against the hub. Pull the wheels off, clean the hub and the back of the wheel and torue the wheel in the star pattern to 140 lb/ft.
  15. SLCHOE

    Need help - new brakes

    Did you bend the backing plate inward so it's touching the rotor? I'd check that first.
  16. SLCHOE

    ethanol E10 for suburban 2003

    Unfortunately no. There are other factors to weigh in IIRC.
  17. SLCHOE

    ethanol E10 for suburban 2003

    If you have a 10th digit "Z" in your VIN then you have an alcohol sensor inline from your fuel pump to the fuel rail. The ECM will adjust for alcohol content and percentage as necessary.
  18. SLCHOE

    Transmission whine or ?

    Not what I was getting at.
  19. SLCHOE

    How can I increase my 2002 Tahoe 4WD LT's Fuel Economy???

    Buy a second car. A Prius like I did. Drive the truck when you want to. Drive the ecobox to work and back every day. I'm on 35's with a 6" lift and no audio gear and get maybe 11 mpg and 9 city. I love my truck but it's not economical by any means.
  20. SLCHOE

    2003 5.3L Yukon O2 Error Codes

    Sounds like a bad fuel pump. Low voltage on O2's means Lean. P0300 is random multiple misfire. All of those codes along with the symptoms you described could be caused by a failing fuel pump. Put a fuel pressure gauge on it and see what readings you get at idle and power braking it (putting...
  21. SLCHOE

    P0300 and Stumble

    Clean your MAF sensor and throttle body. Pull out the MAF sensor (like out of the car and unplugged) and hit the hot wire elements with MAF or Carb cleaner. Dry with compressed air (be careful with air pressure if using shop air). You just want to dry it off and evaporate any solvent...
  22. SLCHOE

    2004 Yukon problem with lower ball joint what is this?

    Just grind the flats to where they are round and then take a nice weight ball-peen hammer (using the ball-peen end on the last swing) and give it a few man sized blows to the cone shaped area (accuracy is key). I've got it dialed in that I can get them out with 3 good blows. No air-hammer...
  23. SLCHOE

    now what's wrong?

    Flashing CEL means you have an active misfire and prolonged driving could cause Catalytic Converter failure. Flashing CEL also means there are active DTC's. What codes do you have? Could be something as simple as a coil or wire. Could mean much worse. Post up your codes.
  24. SLCHOE

    YXLD optimal coolant temp?

    First of all, if it's a new to you vehicle, don't rely on the oil life status to tell you the condition of your oil. Just change it noting the condition of it and start fresh with your own oil life reset. You don't know if the last owner just reset the oil life over and over without changing...
  25. SLCHOE

    Switching into 4 wheel high low auto randomly.

    Very common issue. Transfer Case Encoder Motor Position Sensor. http://www.amazon.com/Dorman-600-120-Transfer-Motor-Encoder/dp/B004GBAPC2 You can do it yourself which costs you about $45 or have a shop tell you that you need a new encoder motor which with parts/labor will be upwards of $900...

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