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  1. rockola1971

    5.3 Tick/Knock?

    Drop a quart of transmission fluid in your oil and let idle. See if tick goes away. (Do all this immediately BEFORE you do an oil change). DO NOT drive around with a quart of tranny fluid in your oil. Tranny fluid will free up stuck lifters.
  2. rockola1971

    Thinking of picking up a travel trailer... How can I bolster the tow capacity to afford myself a bigger trailer?

    Cant exceed what the tag in door well says the vehicle is rated for no matter what you add or delete from the vehicle. Do it and something bad happens and the insurance company will hang you out to dry if caught and possibly even the police too if the "bad happens" draws too much attention. Go...
  3. rockola1971

    Tru-Cool 40k Cost Me 3k

    As others have said, never use hose clamps on a tranny line. Any shop that makes custom hoses for bobcats, forklifts, etc. can make you new custom fit hoses with crimped on fittings. You can use high pressure rated rubber covered in stainless steel braid or they will make custom fit metal lines...
  4. rockola1971

    How do I identify what alternator I have in a '04 Yukon Denali

    So you Cheech and Chonged your car but without the pot???? :P
  5. rockola1971

    2003 cadillac 2wd to AWD

    Its going to be very hard to find a pre 2007 5.3L with low mileage. Im sure some grandpa may have one sitting in the drive used only to goto church on sundays and breakfast locally during the week but they are few and far between. In 2007 GM went to a higher count reluctor wheel for more...
  6. rockola1971

    2003 cadillac 2wd to AWD

    Engine and tranny are dimensionally the same and will swap right in. 6.0L along with its PCM will need to be moved to the 2003. Rear diff and axle housing is a direct swap in. The front diff is i believe a little trickier because of mounts on passenger side. I believe the AWD/4WD frame is...
  7. rockola1971

    Stuck Brakes 05 tahoe z71

    I got mine on aliexpress around 8yrs ago. Make sure you click on the GM version so the right software comes with it. You can also get a MDI unit which is a emulator of the tech 2 but is connected to a laptop so you dont get a handheld unit with screen like the tech II but you do get...
  8. rockola1971

    How do I identify what alternator I have in a '04 Yukon Denali

    Yes. A fuse/circuit breaker in a car, home, factory, spacecraft is there protect THE WIRING. The fuse/circuit breaker is sized to the wiring. The wiring is sized for the load(s) which is anything connected to the wiring that consumes power. If a vehicle came factory with a 145a alternator...
  9. rockola1971

    Stuck Brakes 05 tahoe z71

    U1000 is telling you that the PCM is not talking to a module. You need to find out which module it is with a decent scanner.
  10. rockola1971

    Stalling while driving.

    That TPS isnt causing you to have low fuel pressure. Your faulty fuel pump is. "38psi and lower" as you stated aint gonna cut it for a 5.3/6.0....Unless you have a fuel filter on the frame rail drivers side then it could be that. It takes an ungodly amount of debris to plug up the sock at the...
  11. rockola1971

    A/c weird issue

  12. rockola1971

    RTV (silicone) posioned O2 sensor

    Heres a schematic for the 04 Tahoe. The symbol on the left of each sensor with the diagonal arrow pointing up and to the right are the actual 02 sensor of the whole sensor. The squiggly symbols to the right of each sensor element are the heaters. So just look at the wire colors and measure...
  13. rockola1971

    A/c weird issue

    Need the pressure readings AND the ambient air temperature when the readings are taken since the pressures are directly proportional to the ambient air temp.
  14. rockola1971

    A/c weird issue

    Is there frost or ice on the evaporator lowside line at the drier? (The bigger line) or is it sweating cold droplets?
  15. rockola1971

    A/c weird issue

    Yup. With the minimal info we have I would say OP is either under or over charged.
  16. rockola1971

    Stuck Brakes 05 tahoe z71

    Is "Brake" light on when engine running? Andy ABS messages in message center? How did you bleed the brakes? Do you have a firm brake pedal with engine running? You need a scanner to identify which module(s) are throwing the U1000 code. Me thinks the ABS is a part of it and its no talky which...
  17. rockola1971

    A/c weird issue

    Would not the engine overheat if that were the case?
  18. rockola1971

    70 amp alternator identification

    You are absolutely correct concerning the amp values. The alternator pictured is either an aftermarket or rebuilt unit. GM didnt put stickered labels on the alternators of our generation. The amp output was always stamped into the housing.
  19. rockola1971

    A/c weird issue

    As OR said....need to know what the ambient temp is outside during a refrigerant pressure test. Need to know that low side pressure when compressor is engaged. The pressure reading when compressor is not engaged is useless. You should be seeing around 45psi or so consistently while compressor...
  20. rockola1971

    70 amp alternator identification

    Yup, the amp output is almost always on the alternator housing. Depending on how its clocked in the bracket it will be visible form the top or slightly off to the left or right from the center of top. Most of the time it takes a damp paper towel to remove the grime so it can be read. But a wet...
  21. rockola1971

    RTV (silicone) posioned O2 sensor

    Need a multineter. Measure from heater wires (their pins at the plug) to chassis ground on the frame. They all should not be at or near zero ohms.
  22. rockola1971

    RTV (silicone) posioned O2 sensor

    "I guess it is also possible the sensor was damaged during removal and or installation" More than likely when the sensor was removed the body was obviously torqued because of completing hot/cold thermal cycles in the exhaust bung. The torquing the body and ultimately the internals of the...
  23. rockola1971

    TRANSMISSION SWAP

    I was referring to getting rebuild kit later down the road when it is needed. Builder will need to know that the tranny originally came out of a 2007 instead of a 2000 model year. Its best prevent an unwanted situation before it happens.
  24. rockola1971

    TRANSMISSION SWAP

    Only important difference is the gasket and seal kit. Order for a 2007, not a 2000 when getting internal gaskets and seals. They both have the same wiring plug receptacle on the drivers sider of the case.
  25. rockola1971

    Question about Denali AWD same size tires

    Same size. If they arent the same diameter, it is not an instant grenade. Something in the Tcase will give away if ran for a prolonged time with non matching DIAMETER tires. There is a little bit of wiggle room but not alot. Doesnt even matter if the rims arent the same diameter as long as the...

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