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  1. rockola1971

    2001 yukon xl driveshaft

    Call up autozone and have them pull out their ujoint cross reference book and look up the autozone brand cross for a 89040245 Ujoint. See if their answer matches what you have. Is the yoke that you jammed the cup through the one that has the joint sliding back and forth? I went to autozone...
  2. rockola1971

    2001 yukon xl driveshaft

    You knock the ujoint caps outwards, NOT inward and thats why you cant get the ujoint out the rest of the way. Use a wrench and quit sweating torque values on a ujoint. Ive never put a torque wrench on a ujoint shackle bolt and have yet to have a driveshaft spit itself out from under a vehicle.
  3. rockola1971

    2000 Tahoe Brake Warning Light Flashing And Chiming

    https://www.aliexpress.us/item/3256807719084437.html?spm=a2g0o.productlist.main.1.6f42rHflrHflHd&algo_pvid=c7481553-1e77-4d6b-994c-165bc417a8d3&algo_exp_id=c7481553-1e77-4d6b-994c-165bc417a8d3-0&pdp_npi=4%40dis%21USD%21400.01%21280.01%21%21%212884.00%212018.80%21%40210318ec17321602054825749eb602%...
  4. rockola1971

    2000 Tahoe Brake Warning Light Flashing And Chiming

    You are confusing the ABS pump with the ABS manifold(also called a BPMV--Brake Pump Modulator Valve). The pump is in the engine compartment in the area below the master cylinder. The ABS manifold is on your drivers side frame rail and its the box looking thing that all the brake lines attach...
  5. rockola1971

    2000 Tahoe Brake Warning Light Flashing And Chiming

    If you have a chime (a warning chime) then you should have a message on your cluster. Flahing or solid brake light on the cluster means you have a broken line, fitting loose, caliper seal leaking or air trapped in the system from improper bleeding procedure. The crappy pedal feel is a telltale...
  6. rockola1971

    Wiring issue - Crank, No Start

    Start a new thread with a little more detail of symptoms and history.
  7. rockola1971

    What is this hose by cam position sensor?

    OP should probably feed the squirrels better before they start chewing on engine blocks and tranny cases!
  8. rockola1971

    2000 Tahoe Brake Warning Light Flashing And Chiming

    Yup. OP has some serious air trapped in the lines and behind the ABS manifold solenoid. Gonna need to do a bidirectional scanner auto bleed.
  9. rockola1971

    Oil pressure low

    Those value look perfectly normal for the mileage you have. What does the pressure goto when cruising at 55pmh? How about idle to 35 mph? Do you have a standard 3.73 rearend?
  10. rockola1971

    Oil pressure low

    Really the only one that sticks out to me is the 20 and below at warm idle. Where are you located?
  11. rockola1971

    05 Denali Put in D for drive but felt like Neutral

    Check the linkage down at the tranny.
  12. rockola1971

    2003 Tahoe, RPMs jump from 600 to 800 every 8 seconds and AC clutch spins when climate controls are turned on.

    Try disconnecting plug at compressor and see if the RPM problem goes away. If so then I suspect you have a shorted (melted together clutch coil). Have automatic or manual hvac controls? Auto has the digital temp readout for driver and passenger settings.
  13. rockola1971

    throttle body position

    How far back did you go to cut harness and splice?
  14. rockola1971

    Coolant Temp Issues

    Verify coolant temp with a IR gun. If its good then suspect bad sensor, temp gaueg or wiring issue to sensor. Have you been needing to add coolant to the system over the last 4 months or so? If so then you have a leak and likely have air in the system which can explain the gauge moving so...
  15. rockola1971

    Transmission or Rear Diff?

    Tranny bushing/bearing or Rear Diff/Axle bearing. Typically its one of the axle bearings but easily can be a Diff support bearing or pinion bearing. Gonna have to get it on a lift and find out.
  16. rockola1971

    2006 yukon xl denali awd

    Problem=Genius with the lift doesnt know that you cant run an AWD vehicle with wheels off the ground. The noise coming from your Tcase was your Tcase self destructing its viscous coupling and internals.
  17. rockola1971

    2004 Tahoe Brakes, Master Cylinder

    Stop driving a vehicle around with faulty brakes before you kill yourself or someone else. (They taught us this in our teens). You will not be able to get a firm pedal once you have replaced calipers and master cylinder because air will be trapped in the ABS manifold behind its solenoids. The...
  18. rockola1971

    Stalling then ok 10 min later

    My guess wouldve been Fuel Filter then Fuel Pump. 50psi seems to be right on the edge of min.
  19. rockola1971

    GMC sierra 2002 5.3L 1500

    You never install a "pre gapped" spark plug. Always check them to make sure the proper gap is made. Workers and machines make mistakes, shipping is seldomly problem free and god only knows who has had those spark plugs in their hands before you (Returns).
  20. rockola1971

    04 Yukon rear end

    I suspect these neutral drops is what took your transmission out too.
  21. rockola1971

    05 Yukon SLT Autoride

    Since its got AWD, you have a Borg Warner Tcase and they dont have the same pump rub problem that the 246E Tcase has. Sounds like you have clutches burnt up in your tranny. The shifting fine until warmed up is almost a dead giveaway. Pull your tranny dipstick. Smell it! Does it smell a nasty...
  22. rockola1971

    "Reduced engine power"

    Very common failure after the dreaded dead spot in the TPS position trace within the TPS. Then comes the Pigtail plugged into the TPS (They make a replacement that you just splice in) and then finally the harness that plugs into the the TAC Module itself. All 3 of these will cause the dreaded...
  23. rockola1971

    SOLVED: Need to drop the fuel tank but it is currently 80% full

    You know at any OBD2 connector you can jump 2 terminals with a paperclip to turn on the fuel pump, right? Or you can use a bidirectional scanner if you have one to command the fuel pump on too or goto fuel pump relay and pull it and jump the 2 terminals at the socket that attach to the relays...
  24. rockola1971

    04 Yukon rear end

    Stupid Tax, a common term for money you pay for being stupid. :Big Laugh: Pull the rear diff cover and see what you get to pay for.
  25. rockola1971

    05 Yukon SLT Autoride

    First check your fluid level and condition in your Tcase. The 246E Tcase commonly develops a pump rub in its rear half case and slowly leak its fluid out until its too low or bone dry. Do you have an Auto 4wd button on your dash?

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