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  1. W

    Low Fuel Pressure/P0300 - 2003 GMC Yukon Denali

    Bad cats are not very hard to detect. Check out South Main Auto on YouTube and search for cat videos for some examples. I have successfully diagnosed bad cat converters on 3 cars now after those cars had had new O2 sensors, seals, pumps... the parts cannon. Everyone wants to avoid the cats...
  2. W

    Need help pinpointing oil leak.

    UV die the oil -- that's how you find leaks.
  3. W

    Towing Camper Trailer

    Spend the money on a lower, sleeker trailer and you can do 7K. Then budget $2-3K to replace your transmission the next year. :)
  4. W

    Energy Suspension Body mounts

    What is actually the point of doing that (if the body mounts aren't compromised)?
  5. W

    Can I change my thermostat without draining my coolant?

    Yes. Clamp the hoses at and above the thermostat and work fast. You could lose about half a gallon or so. Make sure you work out the air.
  6. W

    Change oil light won't turn off after pressing gas pedal 3 times

    It took me 3 tries...
  7. W

    Slow Acceleration Only - 2nd to 3rd Shift Acts Up

    Fluid is full, no leaks. 3-2 downshift is as normal as I have the information for... it'll manually downshift from 3-2 and if I need to go from 3-2 in driving it does it just fine. I'm not going to say it's the fastest action, but it's an ancient transmission design... not a Porsche. I have...
  8. W

    SOLVED: Loose steering wheel play -- is this normal?? (see video)

    But your gas mileage! ;)
  9. W

    Need help pinpointing oil leak.

    Check your oil cooler block off plate (if you have that) or oil cooler plate. Those leak.. a lot. Your oil pan seal could be leaking, too, at the back... which is very common. You could also have the beginning of a rear main seal leak. Have fun! Personally, I'd leave it.
  10. W

    Walmart Battery Warranty Actually Works, But You'll Be There Forever

    First time I've ever had an issue with one. They're made by Johnson Controls like most other batteries are.
  11. W

    Walmart Battery Warranty Actually Works, But You'll Be There Forever

    if I was a Costco member, sure. But as a single guy that would have to travel about 30 minutes to get to a Coscto... nah, not worth it.
  12. W

    Slow Acceleration Only - 2nd to 3rd Shift Acts Up

    Well, what I'm picking up in my research is that it could be a number of things. The 2-3 shift apparently involves a lot of things to work right. One thing apparently overlooked is the servo. If there is wear on the metal parts of the servo, it may not work right causing this issue. I just...
  13. W

    Slow Acceleration Only - 2nd to 3rd Shift Acts Up

    Only when I'm accelerating slow - like in stop and go traffic and I'm not being Boy Race Driver - my transmission (once hot) will almost skip shift from 2nd to 3rd. Like it comes out of 2nd for sure but then sort of revs up some then finally 3rd catches. There's no jolt or bangs -- it's smooth...
  14. W

    Walmart Battery Warranty Actually Works, But You'll Be There Forever

    When I got my truck, it had an EverStart Maxx MAXX-78S battery in it with 650cca made 9/2018. I recently replaced my alternator (the bearings were going and it was making an annoying noise) and decided to try and warranty the battery because it was within the free 3-year replacement period and...
  15. W

    Need your opinion on Tahoe lt vs Escalade dilemma!

    Get the Tahoe. The old Escalades didn't age well and those extra tacked on panels... I see them missing or falling off of old Escalades all the time. Otherwise they aren't really any different except different interior and a fancier engine cover. The 4WD variants have of course more than can...
  16. W

    May buy 05 Yukon - what should I look for?

    I have a Pioneer MVH-1400NEX. The only thing I don't like is the lack of a knob for volume, but otherwise it's got the Carplay and the backup camera option and I have an amp hooked up with some upgraded (although... oddly harsh for a silk dome tweeter) speakers. It doesn't have Android Auto...
  17. W

    May buy 05 Yukon - what should I look for?

    Take it for at least 20-30 examples of slow acceleration through 2nd and 3rd gear. My transmission started getting confused only on light pedal acceleration at this time and then all of a sudden it started slipping in reverse and soon after would feel like it comes out of converter lock while...
  18. W

    Bosch 160 Amp alternator

    A lack of spark reconnecting a negative terminal is not indicative of much, if anything. The spark tends to come from a sudden draw of power to charge capacitors throughout the car's electrical system.
  19. W

    Bosch 160 Amp alternator

    Battery drain testing should yield (once all latent electronics turn off) no more than .05 amps. That or less and you're fine. I would also caution on leaning toward a new alternator. I went through two Remy 145 amp alternators in the past few weeks. Both whined like crazy out of the box and...
  20. W

    SOLVED: Loose steering wheel play -- is this normal?? (see video)

    I'm not going to say that's "normal" but that is extremely common. I've never come across an old NNBS that didn't have this kind of dead play, some worse than others. I managed to get rid of most if it with my third AC Delco rebuild box (I exchanged them twice) and I had to do some...
  21. W

    01 Yukon brake master cylinder fix

    There is no process more annoying than brake bleeding IMHO, so I just take any car I need that done to my race car's shop and let someone else do it and happily pay them money. Time is money, y'all.
  22. W

    strange start issues replaced battery alternator

    Sounds like bad fuel pump drain back valve to me.
  23. W

    Needing California CATS.....

    I'd rather move from California than pay that much for new cats.
  24. W

    I gotta fix my 'Hoe

    I got my bump stops off of eBay or Amazon, one of the two. It was like $20 for the front and the back (all of which were toast on my truck). They're doing just fine and fit perfectly.
  25. W

    Perfect timing...

    I had an almost same situation occur. My water pump gasket failed. It's as if one day it was fine, the next day it was dumping the coolant tank on the ground. I couldn't drive 30 miles before I was getting a low coolant warning. I used the following parts for the water pump: - Melling MWP500...

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