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  1. J

    2016 temp gauge not working and fans running high speed

    Smart guy !! use the catch can always Folks You don't want that crap going back into your spark plugs and everything else Oh no
  2. J

    Operating Temperature - Transmission

    I haven't done it but I think you can just shorten the spring You surely will get a longer life transmission running way below 200 Hundred °Temp, and 145 would be great ..You can very cheaply put your own gauge on the trans. Murphy's law
  3. J

    2018 5.3L Tahoe - 34K miles - Transmission Fluid Temp keeps going 'up' not regulating

    I've been modifying working on automatic transmissions for many years and I feel 200° is a absolute maximum temperature And a minimum ?,I cant imagine that a ambient over 30° would require a thermostat.. I've said over and over again, Adapter engine oil filter Or 2 , in parallel , On your...
  4. J

    Transmission flush or fluid and filter change?

    You're long overdue for a complete flush Pump it out to coolant lines make sure you get any Debris out Of the system.I'm telling everybody else Put a couple of car filters in the Coolant line .. Be sure your temperature is under 200 at all times
  5. J

    Budget rebuild items?

    Excellent advice this guy is cruising for a bruising. Murphy's law
  6. J

    08 Tahoe 258000 miles hard starting and wet spark plugs

    Hundred and 60 is bad , is that your compression pressure? You need a rebuild. But if you put some 20/50 oil in there maybe you can get by for a while. The Los Angeles Will fall out your spark plugs probably what you can do is use a Anti falling adapter they're inexpensive it'll keep your plugs...
  7. J

    Late Game Transmission Fluid Change Rumors or Fact?

    So true I take care of all vehicles All high performance Keep your Fluid clean and buy good quality filter Napa is good. As I mentioned several times keep your temperature under 200°And add an auxiliary filter at least 1 in your cooling line a 10 micron Mobile 1 filter will filter down to 2 or...
  8. J

    Transmission Tuning

    Absolutely correct As I mentioned before I've been an automatic transmission guy for years Hot rod, trucks ..Converter Needs to be locked uplocked up over first gear , Add an auxiliary Dual Automotive oil filter In parallel setup and you'll be filtering down to around 2 microns at low pressure...
  9. J

    Has anyone used a 24284077 Torque Converter (6L90?)

  10. J

    Circle D TC 1800-2000 or 2200-2400 Stall ?

    No! High stall converter will raise your average temperature about30%Is this what you want? Invest in a cooler And if I keep saying put a couple of car oil filters In your coolant line Get your micron filter filtration down to about 5 and your transmission live forever If you keep the...
  11. J

    Transmission Tuning

    As I just said in another post The best way to keep your transmission fluid Add 2 car oil filter cartridges, In parallel Not series What happens then? the mobile oil filter Filters about 10 microns, When you cut the flow in half You cut the pressure in half so now the filter Filters much finer...
  12. J

    Yet another yukon transmission thread...

    Hi It seems most likely there is trash in your fluids it's coming up I don't see any other explanation How can I shift perfectly Buzz the valve And it's good few days later it's not good. Have you done a trans flush through the cooler line ? And make sure you have a good filter. As I've said...
  13. J

    21 Yukon bad wheel bearing with only 30000 miles

    Hi please read what I say about wheel bearings today The Pressed together wheel bearings are hidden problems everwhere. I've seen him go out over the years as low as 20kmiles. Try and buy 1 with the guarantee And Try and buy 1 that says it has a copper crush, Bearing assembly Process, the...
  14. J

    2008 Yukon Denali wheel bearing

    I like replacing the bearings you can get the preload correct that way , however there's very few places that will do it , An old time machine shop can do this And with 0 preload they will last forever. Otherwise you have to buy the whole assembly. Buy 1 with the guarantee, if you can find it...
  15. J

    2013 Tahoe - Spark plug needed replacement after 8k miles

    You gotta use a catch can, on these engines Jesus there's all kinds of blow By. Also there's a lot of fake plugs out there I guess they're Chinese knock offs Out there.Make sure you have the right heat range plug and be sure and use 20/50 oil. With HI mileage blend, This helps prevent Plug...
  16. J

    08 Tahoe 258000 miles hard starting and wet spark plugs

    Hi ,Bosch sells heap crappy parts face it..
  17. J

    Rev-X Engine oil

    So sounds good , I've done some towing too. I use the best differential oils and change them a lot. I recommend magnetic oil plugs Because it shows you if there is wear or not. It's always better to use a heavier viscosity Unless you're in Cold weather a lot. A welding temperature stick (mark...
  18. J

    What engine oil?

    Hi folks I gotta say again When your engine wears the clearances increase I am a mechanical engineer and a certified auto mechanic I've personally owned over 500 vehicles since I was 12 years old 20/50 weight oil, Is there a way to go Any engine over hundred hundred 50,000...
  19. J

    What engine oil?

    Hello Hello McLaughlin? With 203,000 miles you need to use a heavier oil That helps your whole engine and slows down the leaks a bit., as any damn fool knows Or should know. thicker liquid Higher the viscosity Flows slower out tiny or big holes. Use 1 of the 20/50 oils. I don't like Mobil...
  20. J

    Trans Service Question

    What are cons.. The trans filter will be filthy You have to change your oil at 50,000 miles or before And the filter a top grade no cheap crap , good r NapA.. Complete kit is about $36 with the discount. If you want that transmission the last for 400,000 miles you'll put another in line filler...
  21. J

    2021 RWD Denali Differential Service recommendations...

    You need to cut the service recommendation in half at least especially when new change it at 10,000 miles make sure it has a magnetic plugged in it and then you can go for maybe another 20 or 30,000 miles that way at 300,000 miles You need to cut the service recommendation in half at least...
  22. J

    14 bolt rear end swap?

    Hello there friend.. I like to pay For advice on my 2001 Yukon Denali 6.0 l .. I need to get some lower gears its 4 wheel drive with a Single speed transfer case I read its 60% Rear powered So it must have a fluid cupling thing inside ,true? Or is it strictly a gearbox ? Years ago I was a...
  23. J

    Anyone know why this happens?

    Can you understand 2 inputs with actually give you a very slight increase in voltage and therefore brightness where the hell did you get your ideas Just get up get a beginners guide to electricity and look it up
  24. J

    Anyone know why this happens?

  25. J

    Anyone know why this happens?

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