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  1. K

    Wild high and low A/C charge pressure issues, with intermittent cool air. '05 Z71 Front & Rear A/C

    I'm convinced my procedure to add refrigerant was flawed, so I'm going to spend the $40 on 44oz of Super tech pure r134a from wally world tomorrow, evacuate it, vacuum it, and then recharge it, by weight. Do I leave the rear A/C running though during the process? that's the real question since...
  2. K

    Wild high and low A/C charge pressure issues, with intermittent cool air. '05 Z71 Front & Rear A/C

    Alright gentlemen, I'm slowly picking away at this '05 Tahoe. We threw a belt on the old compressor with a new idler puller because it was seized and the clutch killed itself. Given I had no leaks, and cold A/C instead of replacing the clutch we went ahead and replaced the Compressor (Same...
  3. K

    2005 Chevrolet Tahoe Z71, 5.3 non flex fuel. Hard starting.

    Update, found during injector test via Autel, sputtering from injector 5. Replaced it, plus the intake gasket. So far no hard starts.
  4. K

    2005 Chevrolet Tahoe Z71, 5.3 non flex fuel. Hard starting.

    I'm gonna remove the intake again, set up some water bottles unter each injector and run the test via the MX900, then replace from there. She's having a real long time starting today. Gonna have to replace the A/C compressor while I'm at it too. Side note, I have a EBCM (w/JL4) that I...
  5. K

    2005 Chevrolet Tahoe Z71, 5.3 non flex fuel. Hard starting.

    10-4, should rephrase, it's an Autel MaxiCheck MX900, I'll see if it's capable tomorrow. It's very intermittent. Sometimes it's non existent, then sometimes it's every crank, cold or hot.
  6. K

    2005 Chevrolet Tahoe Z71, 5.3 non flex fuel. Hard starting.

    Afternoon y'all. Back at it again. Hard or long start with sputtering then runs fine after on. So fuel pump was dropping pressure when I tested via the fuel feed line on the gauge, replaced fuel pump and now the gauge holds steady. Reconnecting the fuel feed line to the fuel rail and then...
  7. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Had a brake line failure on the rear passenger, brakes have been soft for a few weeks but functional, however it appears someone rounded off the fitting lol, of course. Going to look into replacing that line. However just wanted to bump the thread. I'm going to update with the Current DTC's...
  8. K

    2005 Tahoe Z71, has different headlight housings than all other trim models?

    Good morning y'all Roommates truck needs new headlight housings. I had good success with headlightdepot for my '02 F350 and was browsing and noticed all the available housings for an '05 Tahoe explicitly state "does not fit Z71 models" Are the four piece housing different for Z71 models? If...
  9. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Autel definitely communicates with the junkyard Escalade module, canceled the eBay order. However discovered a rounded off brake bleed screw on the passenger rear and a allen key shoved in a completely snapped off bleeder screw on the driver rear, new calipers to be installed Thursday, then...
  10. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Ordered on on eBay, will report back when it gets here next week when I install it. I'll be bleeding all the dr pepper colored Brake fluid afterwards. My Autel says it's capable of ABS brake bleed command, anyone have any experience with that? Thanks!
  11. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Picked up a Autel Scan tool 900, Fantastic device. Ended up solving the Security issues, and a window short with the diagnostics. However after removal of the EBCM, ( Single Plug, W JL4) It's toast. The removal of the top cap via a knife and some prying isn't possible with this module, we...
  12. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    Update, currently searching through Alldata for a correct pin out diagram and the right part/serial # for this "splice" that I have pictured. I have a few options for the diagrams in Alldata, and I have color coordination so I'm sure I can guestimate fairly well, now I just need to gather wire...
  13. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    One more
  14. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    Thanks for those links, We gutted the interior to find replace the carpet with vinyl flooring and ran across what may be a lot of our issues. I appears that his dad cut into this harness, (pictured the harness from the dash, as well as the connector that it plugs into under the console, the...
  15. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    bump
  16. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

  17. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    finally found someone with a scanner. Cleared codes and this is all of what came back.
  18. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Understood. I don't have a scanner that can read brake codes. Any suggestions?
  19. K

    '05 Z71 Traction Control, Abs and Parking Brake lights on.

    Sup guys, back again with my roommates late fathers truck we have been fixing. ABS light and Parking Brake lights were on, and shuddering the passenger brake caliper coming to a stop. ( Whole suspension, front and back, rotors and pads, suspension and shocks, tires and everything are all...
  20. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    She's a little rough around the edges but he says it rides best it ever had. Bilstein shocks all around and all Moog upper and lower control arms front and rear, Track bar, inner and outters, pitman and idler bracket and arm, new Fabtech sway bars and bushings front and rear, (OG lift is a 6in...
  21. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    It must be the ABS sensor, that got moved around and such and was unhooked for two weeks. We cleaned em but you know how it goes. I was like, why the hell does that sound like electric servos with busted teeth on the mesh gears lol. I had to head back to Work back in SC so he's good to drive...
  22. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    So we pulled the ABS and the issue is gone, must be an ABS sensor or something else ABS related
  23. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    Brakes are brand new, no issues for three days then all the sudden this. Hitting the brakes it doesn't pull at all at any speed except, coming to a complete stop from like 4mph to 0mph, and then when accelerating from 0mph to about 5mph it seems like it's got a stuck caliper. but the slide pins...
  24. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    Understood. Filled with hose water for now to diagnose. So new T stat is in. Water topped off and the T stat hasn't seemed to open yet because the lower rad hose is still cold. Dash temp says 210° OBD Reader "ETC(F°) 199 Unsure if ETC is transmission temp or Coolant temp. Either way cap is...
  25. K

    2005 Z71 Full body wiring diagram / replacement harnesses.

    Transmission pan gasket was just the work that had just completed. When going down the road to test for function and leaks it tried to overheat. Hit 220-230 and the E fans went full blast. Right now we just discovered his dad has straight water in it. We are currently going to replace the...

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