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  1. rockola1971

    Electrical - where to begin

    Yes. A true check Requires the alternator to be loaded down. You should see roughly between 13.8-15.0 vdc at the battery with engine running at idle and alternator loaded.
  2. rockola1971

    a/c o-rings

    Where did you run into a metal gasket without orings?
  3. rockola1971

    Electrical - where to begin

    Young? Im over a half a century old and been in 2 wars but.....Youve definitely been around longer than I have. My apologies. Someone else here has vouched for you. Hats off to you maam for taking care of stuff yourself. If I may be of any help. Just ask. We are quite the clown bunch. Its...
  4. rockola1971

    Electrical - where to begin

    Did anyone catch this first sentence? "I am a septuagenarian lady with a 2001 Yukon XL 2500 4WD SLT 6.0l.". septuagenarian- a person who is from 70 to 79 years old. I had to look it up. Who even talks like that? So a woman in her 70's with an Alldata subscription and willing to jump into...
  5. rockola1971

    Typical Monday

    OK I milked this one long enough. I started to bleed and found that the front 2 cracked free fine. Then eventually the driver rear bleeder broke free. The passenger rear wasnt having none of it so I kept soaking it down with PB Blaster since I didnt want to have to replace the caliper. It was...
  6. rockola1971

    Brake pedal goes to floor after I start the engine

    I know the tech II will not connect to the ABS system for the automatic bleed if you have an active ABS code/fault. Try a clear AFTER you connect to the ABS system and run diagnostics on it to record codes.
  7. rockola1971

    Brake pedal goes to floor after I start the engine

    Air is likely trapped in the ABS manifold. You will need a bidirectional scanner to run the automatic brake bleed ABS feature. No way to get the solenoids to actuate without a bidirectional scanner or locking up the brakes and causing the ABS to engage which wont happen since your pedal goes...
  8. rockola1971

    What to Buy? Tahoe vs Yukon Denali

    Its not really that much to worry about. From my experience with the 2 engines the 6.0L with AWD combo gets about 1-1.5 miles less per gal for combined highway/city driving. Most of my driving is highway since my office is off a highway and my house is on a highway to town so I cruise alot at...
  9. rockola1971

    Typical Monday

    Very Close. The Butt was seriously dragging a mile behind me but I managed to get the line in, bent to shape and fittings attached under Master Cylinder and at the ABS manifold. Lotsa fun there. Now to break out my Tech 2 clone and use the automatic brake bleed function. Luckily the master...
  10. rockola1971

    Typical Monday

    Line failed at the frame directly under the drivers door.
  11. rockola1971

    Need help… Crank/no start + Really bad MPG

    You must have had the 5.7L vortec Vin R engine. All LS engines do NOT have a distributor, cap or rotor starting with very first one in the late 90's The Corvette and Camaro LS1. In 1999 you could buy a new GM truck/suv with either the 5.7L or a LS Family Gen 3 V8 depending on whether it was the...
  12. rockola1971

    What to Buy? Tahoe vs Yukon Denali

    I own (2) 2003 Tahoes and (1) 2005 Denali and the difference between them is night and day even with both of my Tahoes being LT trim. Id get the Denali 6.0l AWD over the Tahoe LT 5.3L every time! In fact ive been looking for another Denali to replace one of the Tahoes. The difference between...
  13. rockola1971

    obd2 for my 2004 yukon denali

    I vote for if you are gonna buy a scanner get a bi directional scanner and just get what the dealerships used in the day of our generation of vehicle. Get a china clone Tech II for around $300. It will do everything and then much more, so much more vs the cheapy scanners. You honestly wouldnt...
  14. rockola1971

    Typical Monday

    LMAO I did that once too in my 99 Sierra Z71. Came off the Interstate and halfway to the stop sign is when reality slapped me in the face to tell me that my Master Cylinder was no longer with us. It all happened so fast that I had time to see no one was in front of me and nobody coming from the...
  15. rockola1971

    4L60E Question

    The Servo is a 2-4 servo. The corvette version has more holding power which is why its a cheap upgrade for any 4L60/4L60E. The servo ONLY comes into play shifting into 2nd and 4th(OD) gear. Has absolutely nothing to do with 1st or 3rd gear. What gear or gears are you feeling the lag at? How...
  16. rockola1971

    Typical Monday

    Typical Monday. I played the rustbelt brake line lottery and lost. One of my 2003 Tahoes popped one of the brake lines going from the master cylinder to the ABS manifold. I of course was on way to pickup a great deal ($500) on a Kohler 12RES Generator at an auction over 2hrs away. Luckily I...
  17. rockola1971

    200K+ club what oil you run in the heat ??

    Likely because the European spec equivalent of the U.S. Spec is not available or even made. It would be almost impossible to find the constant steady stock of U.S. spec oil in Europe so the auto manufacturers (in the U.S.) had to try some spec to see if it meets the engine requirements and came...
  18. rockola1971

    200K+ club what oil you run in the heat ??

    I run 5w-30 until they die or 10w-30 if the leak like a F-14 Tomcat.
  19. rockola1971

    Intermittent ABS light issue

    Just lift the front wheel(s) off the gorund just enough where you can freely turn them. Grab at 12 and 6 oclock and try to rock the tire inward/outward. If there is play in the hub you will feel it. A bad hub will cause the ABS to get bad readings from the wheel speed sensors and make it think...
  20. rockola1971

    Need help… Crank/no start + Really bad MPG

    Assuming no codes are being thrown, the stereotypical doesnt start until the 2nd or 3rd crank on a fuel injected engine is typically leaking fuel injectors flooding the engine or a fuel pump is dying. Ive had a fuel pump do this for over 6 months until one day it finally decided to just...
  21. rockola1971

    Brake booster replacement; brake pedal slow to return

    Except for a factory new one, ive never seen a rebuilt unit come with the actuating pin and pilot. Ive always had to transfer from the old to new.
  22. rockola1971

    Brake booster replacement; brake pedal slow to return

    Or maybe they figure grown men will act like grown men and do the job from experience or atleast use a haynes/chiltons manual.
  23. rockola1971

    So your a/c is leaking refrigerant as fast as you are putting it in?

    Depends on the year make and model.
  24. rockola1971

    Help

    Make sure someone didnt leave a dome or map light on or could also be the infamous BCM not going to sleep.
  25. rockola1971

    LM7 engine build

    We hereby christen you...SAVAGE LM7 Builder. Change your forum name now. :P
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