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  1. J

    70 amp alternator identification

    After some personal research, I see that the 70 Amp figure quoted by mechanic is bogus. I have translated all of my RPO codes in the past. There isn't any specifying the alternator. The engine is 5.3 flex fuel & Body is LT with these packages Z82 : TRAILER PROVISIONS, SPECIAL EQUIPMENT, H.0...
  2. J

    70 amp alternator identification

    My belt was making nosie which a shop said was bad alternator. My Tahoe had 70 amp from factory. Suspect alterntor was not the problem, only the belt, and I think they might have replaced original with lower capacity. How can I tell what is now installed?
  3. J

    2003 tahoe no crank no start

    Had similar problem on my 2003. Was traced to corroded pins on bottom connector of main computer located on left side of engine. Not protected that well from contaimination from water, spray, and here in NE US salt.
  4. J

    I Need An Education On Window Tint

    All of your comparisons/calculations are related to Florida law. Dose this mean you will never drive in another jurisdiction that may have different specs? All it would take is a horse's ass l/e and you may get ticketed. Ck youtube - multiple stories there. You quote specs on Florida law...
  5. J

    More secret price increases?

    0.4% ??? You must have got that from some lying politician's camp The 8% thing is a government calculation and averages many matierials, products and commodities. Trying to use it relative to car prices is a useless exercise. Anyhow, do you really believe govt stats?
  6. J

    Truck wont crank

    Leaving aside all of the many valid suggestions on this forum which can cause these problems, and how they solved many of the common problems, mine was traced to corrosion in the lower connector of the main engine computer. GM mounted in on the left frame rail next to the engine and it is not...
  7. J

    Truck wont crank

  8. J

    Instrument gauge cluster repair -- overnight parasitic battery drain

    Leaving aside all of the many valid suggestions on this forum which can cause these problems, and how they solved many of the common problems, mine was traced to corrsion in the lower connector of the main engine computer. GM mounted in on the left frame rail next to the engine and it is not...
  9. J

    Instrument gauge cluster repair -- overnight parasitic battery drain

  10. J

    Update 5/2/21 - Bounce and Porpoising - Especially Towing

    Nivomats have also been discussed in prior forum posts. NAPA is one source.
  11. J

    Update 5/2/21 - Bounce and Porpoising - Especially Towing

    My '03 Tahoe has Nivomat self leveling shocks. Don't know what years this was a factory option. They work great, but I've not tried them to the full GVW. research how they work by Googling. They are not cheap ~$300 each.
  12. J

    Used prices and "the recall"

    My '03 Tahoe sticker price = $43K. Today same options = $65K. To be remembered for comparison is most today are super loaded with max electronics not available back then, so typical is even more than my basic. I see Suburbans at $90K+. These are desirable vehicles to many, and one in good...
  13. J

    Parasitic draw

    I went thru this on 03 Tahoe. There are multiple things that could be the cause. There are 3 computers: the Radio, the IPC and the main body computer. The Instrument Panel (although you disconnected it.) for your year should be sent to a repair service to be checked for bad solder joints and...
  14. J

    Tahoe Down

    Are these flooded vehicles?
  15. J

    Fixes and.then maybe not!

    Check this out, but I believe the existence of an inline fuel filter means you have a flex fuel engine. If so there is a sensor mounted on the driver side of the transmission which senses what percentage of the fuel is gas or alcohol and adjusts engine timing and engine computer parameters...
  16. J

    Voltage meter

    GM trks/yukon/tahoe etc these years have notorious problems with bad meter movements, & shorts and intermittents in the instrument cluster. Unless your battery is in poor condition it should be about 12V and then go to about 13.75 when running. First advice is to check battery with load tester...
  17. J

    Unknown battery drain

    Forgot to mention some have found instrument cluster is a problem. 2000-07 all seem to have problems with gauge failure besides shorts. Again find flat rate repair service online. New is $$$.
  18. J

    Unknown battery drain

    This problem has come many times before on this forum. Ck the archives. Suggestions are all over the map as are many solutions found. I chased mine around for a few months. Disconnecting the battery at night each day was a pain. Sometimes the fuse removal can isolate the problem, but...
  19. J

    Shocking discovery

    The rubber shock mount is pressed into the frame horn. It is internally threaded and the attaching bolt comes from the top. Look under the carpet.
  20. J

    I have the most strange exhaust? Dutch Tahoe

    One aspect, I failed to mention: the original on mine was stainless steel, and that's why it lasted 16+ years, even with the heavy winter salt used for snow melting. The cost of replacement with SS is not worth the expensive costs.
  21. J

    I have the most strange exhaust? Dutch Tahoe

    My '03 was the same as yours. I fail to see any performance or technical necessity for that weird configuration. I replaced mine with a three piece (front pipe, muffler, rear pipe) setup with single outlet. No problems encountered. Sounds fine. I'm not into louder exhaust like I might have...
  22. J

    Slow starting help 07 Tahoe

    There is an easy place to have fuel pressure checked with a connection on the top left side of the engine by a mechanic with the gauges to do so. The computer actually activates the fuel pump to build pressure as soon as the key is inserted. (Some engineer has provided this capability because...
  23. J

    Lookee Lookee at this Silverado

    Towing regulations are based on the rated amount of the trailer, not the actual weight of the trailer with or without anything on it. Exceeding the GWR is illegal in all cases, but if a truck is rated to pull 10,000 lbs, it is illegal to pull e.g a trailer rated for 12,000 lbs even if its empty...
  24. J

    Engine tick, 05 Tahoe 5.3l

    Lifter noise in Vortec engines, esp Tahoe/GMC is addressed in a number of youtube vids. Some are fixed with oil additives and various oil manipulations and flushes. Try a search for some possibly inexpensive fixes. However with 270K miles, I expect good old wear and tear is at fault.
  25. J

    Has anyone converted back to straight gas

    A dumb motorist (wanted to say blond, but avoiding any sexism) pulls into the service garage. My car goes chunka-da-chunkada, bing bing. Can you fix it by telling me what that sound means without listening to it? Yes, said the wizard, but please give me your credit card number first. I...

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