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  1. S

    Transmission problem?

    So transmission is done. Now waiting for the differentials. Good I talked to the mechanic forgot to mention I wanted the transfer case done as well. So a big bill but worth it to see where I am. I am kind of optimistic. My father had a 2wd f150 that was over 10 years old shifted rough but no...
  2. S

    Transmission problem?

    Well today finally my Yukon is on the rack! Complete drivetrain fluid change in one day, both differentials and transmission flush. I was hesitating on the flush but it doesn't leak so I think it will be fine. One friend of mine thought it was a differential and not the transmission. Either...
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    New to the Govt Tahoes - Bought a 2010 and have a few questions

    Looks like they took the "oh shit" handle off the inside as well as the search lights. My 04 yukon always has the tire monitor system on as well. I had my tires checked they are fine. Darn monitors screw up lots. Looks great. Very shiny! Sent from my SM-G935W8 using Tapatalk
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    Sea Foam Questions

    I have used seafoam many times. Great product. I saw a video on YouTube that used the motor treatment down the vacuum line. I am trying that next time. When I tried the spray I only waited the minimum of 5 minutes and no smoke. Next time I am letting it sit for 15 min. Sent from my SM-G935W8...
  5. S

    need help solving lean condition

    I had error codes indicating both my banks were running lean. I did notice as well a lack of power all the time as well as poor fuel economy. So I researched then bought a can of Royal Purple fuel system cleaner. It took 2 days of burning fuel then my check engine light went off. I have had...
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    Po300 code only

    I had that problem with my 2004 Yukon Denali XL. I did some research and tried a can of Royal Purple max clean fuel system cleaner. Took about 2 days then the check engine light went off. Had it checked before and it was lean on both banks. I thought it was my injectors because it seemed very...
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    Cant figure out P0300 and loose steering feel

    I did have a similar problem with my 2004 Yukon Denali XL. I had error codes showing lean on both banks. So I ran Royal Purple Injector cleaner through and the error codes are gone now. I did some research before choosing an injector cleaner and royal purple was said to be very good.. Sent...
  8. S

    Transmission problem?

    Thanks man. Well tried and hit a snag. Someone at some point stripped the drain plug for the transmission oil. So I have to get a new one them we are draining it. I did solve one problem though. I had error codes for both banks showing lean and my check engine light was on. Tried some royal...
  9. S

    Transmission problem?

    I have a 2004 Yukon Denali XL and it does have a fuse where the 4WS fuse has a spot for it. It has connections under it. Sent from my SM-G935W8 using Tapatalk
  10. S

    Transmission problem?

    Like I said intelligent conversation. Wow. Sent from my SM-G935W8 using Tapatalk
  11. S

    Transmission problem?

    Thanks. Mine is found out is the 465LE. I was thinking it was the 60. Almost the same though. Interesting read thanks for the information! Sent from my SM-G935W8 using Tapatalk
  12. S

    Transmission problem?

    Oh yeah. I am changing the fluids today. The transmission filter kit was cheaper than I thought. Thankfully it has a rubber gasket. All my fluids are synthetic for the drivetrain. Hopefully the shifting is a little smoother after this. Thanks for the information. Plus you did clarify what I...
  13. S

    Transmission problem?

    Ok smart ass I get the point. Now let us talk realistically. One I understand what traction control is and 4 wheel steering. 2 there have been vehicles with 4 wheel steering that believe it or not, we're deployed WITHOUT a large button to turn it off. Also I can read. Now that I have decided you...
  14. S

    Transmission problem?

    I will also mention my owners manual does NOT refer to it as Quadra steer. As well in the Vin code lookup it states 4 wheel steering. I think this one was before they made a better system perhaps and gave it the Quadra steer name. Oh well can't wait to change the fluids. Sent from my...
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    Transmission problem?

    Well I could be mistaken but then why would a fuse have leads and it states 4 wheel steering? Plus it comes up when running the Vin code? I would think that vehicle isn't the same year as mine. I have also seen vehicles without a switch that have 4 wheel steering. Besides the older ones don't...
  16. S

    Transmission problem?

    I am doing the fluids change this week I hope. Had a delay so I didn't get it done yet. I bought full synthetic fluids for transmission and differentials as well found the transfer case takes Trans fluid as well. Yes I was surprised myself that it has 4 wheel steering. I am not sure but...
  17. S

    Transmission problem?

    I do actually. I will check the fluid with engine up to temp. Last I checked it was good. Sent from my SM-G935W8 using Tapatalk
  18. S

    Getting 8.5 mpg need help

    I would try seafoam intake cleaner. Safe to use and it could help. Sent from my SM-G935W8 using Tapatalk
  19. S

    Transmission problem?

    I know. Odd. I didnt expect it. It was an option. Until i saw a fuse for it didnt know it had 4ws. Sent from my SM-G935W8 using Tapatalk
  20. S

    Transmission problem?

    Found out i need much less fluid. Thanks for the intake idea. I will have that checked. Just need time in the next couple weeks and after changing all the drivetrain fluids and filter we will see how much of an improvement there will be. Checked the records and i can see dates where fluid was...
  21. S

    Any Canadians?

    I am in Sherwood Park. Have a 2004 Gmc Yukon XL Denali. Needs work but hooefully it will be great in time. Sent from my SM-G935W8 using Tapatalk
  22. S

    Transmission problem?

    In my owners manual it specifies dextron 3 for the transmission and transfer case. I believe I discovered I the service records why my yukon is shifting strange. The was a shop and I believe the idiots topped the differentials with lube that has the limited slip in it. Thanks though. I...
  23. S

    Transmission problem?

    Yes I would use newer dextron but I need about 15 liters of dextron to change the transmission and transfer case. Sent from my SM-G935W8 using Tapatalk
  24. S

    Transmission problem?

    No check engine lights. So I am changing all fluids in the drive train. I had advice from quite a few friends with mechanical knowledge and one said could be the differential. So I am changing the transmission fluid, transfer case fluid is actually dextron 3 as well, and changing the front and...
  25. S

    Transmission problem?

    My 04 yukon has 6.0 engine. It is an XL Denali with 316,000 km. When it shifts it revs slightly then goes into gear smoothly. I am getting the fuel filter replaced next week and the transmission fluid and filter done no flush. Any idea where the problem may be to cause this? Also noticed...

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