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  1. Scott in AZ

    D-Pillar speaker revisit - purpose and connections

    I replaced my rear pillar speakers in 2001 Yukon w factory amp, without Bose. I used Memphis Audio PR27s. Fit was perfect. Depth and mounting are very similar to OEM original. See pics, I rotated speakers 90 degrees and drilled new pilot holes into the plastic pillar back-body, added sheet...
  2. Scott in AZ

    help choosing a radiator

    Lil’ help. Quick question on preventatively /proactively replacing radiator: Trusted local shop has my 2001 Yukon 5.3L in for installing front shocks (Bilstein 4600) and noticed coolant leak at water pump. Checked my records …. It’s still the original OEM water pump after 22 years and 180,000...
  3. Scott in AZ

    OE Shocks for my 2004 Tahoe

    I have 2001 4WD w ZW7 + G65. The OEM rear shock is SACHS 030239 (Equivalent) or GM Genuine 580354.
  4. Scott in AZ

    Question on Wheels...17, 18 or 20s???

    275/60/18 specs vs the OEM 16 on my 2001:
  5. Scott in AZ

    2000 GMC Yukon Denali - 18" wheels - Tire advice will a 275/65/18 fit?

    I run 275/60/18’s on my 2001 and it’s perfect, in my opinion.
  6. Scott in AZ

    Question on Wheels...17, 18 or 20s???

    I replaced my OEM 265/70/16’s with 275/60/18’s years ago and it’s been a great upgrade proven over tens of thousands of miles. I got the wheels off eBay for a few hundred bucks, in mint condition. Seller swapped his Denali to 20” rims (maybe 2008?, anyone recognize these?). The speedometer...
  7. Scott in AZ

    Replacing your old stained factory carpets

    That’s best in class carpet upgrade. Nice work. For sure it’s a different perspective having means and the time to do it right. I’m 57 working on a Tahoe I’ve had 22 years now. Along the way I was *mostly* good to it, especially with fluid changes and tune-ups but should have done more for...
  8. Scott in AZ

    So you want to buy an old Tahoe/Yukon?

    Driving thru our neighborhood this evening saw neighbor w garage door up getting mail and inside was a Yukon GMT800. We chatted a few minutes about our trucks. Turns out hers is a one-owner 2005 Arizona, darn near mint SLT, with 45K miles on it. Forty-five. Asked if she wanted to sell it on the...
  9. Scott in AZ

    Just bought a 2011 Tahoe z71

    Awesome. Nice rig.
  10. Scott in AZ

    Flush transmission mileage ?

    Severe service interval is 50,000 miles. For a lot of people that’s 4-5 years of driving. That’s a long time if you towing a boat or driving up the big hill on I-17 from Phoenix to Prescott in the hot summer. Don’t even get me started on the normal interval of 100,000 miles for transmission...
  11. Scott in AZ

    Flush transmission mileage ?

    I flush transmission fluid and replace filters in our family cars at 30,000 miles intervals. I just went thru my service records on my 2001 GMC Yukon and I’ve flushed my transmission fluid 6X in 165K miles, so average about 27K miles between flushes. Used a combination of dealer and local...
  12. Scott in AZ

    Easiest way to install manifold clamps? Dorman Manifold clamps

    So the OEM manifold bolt stud must be removed or ground down below the exhaust header flange? That means I can’t install the clamp with intact bolt studs. I was wondering if anyone uses a similar clamp to supplement the existing intact bolt studs. Rather than that, why don’t we proactively...
  13. Scott in AZ

    2005 Yukon XL Denali A/C issues… Help?

    Sounds like the AC vent door actuators under the driver side dash (floor/defroster dash/front dash) are failed so you are only flowing thru the top defroster and blow by in the bottom; and a failed HVAC compressor (hot air) or failed mixer (hot/cold) vent actuator. The hot/cold mixer actuator...
  14. Scott in AZ

    Post what y'all tow with your Tahoes, Yukons, and Suburbans!

    About 75 pounds total …. Handles like a dream fully loaded, but I stay on top of the transmission fluid changes too.
  15. Scott in AZ

    Poll

    Converting 20-year old SUV from RWD to 4WD…. Sure….Cool….What could possibly go wrong …..?
  16. Scott in AZ

    Lil’ Help - Question About ZW7 Code and Suspension Upgrade

    You guys rock. This is all great information. Thanks Matt, Wes, and Fless. Yep, I have Nivomats in the rear. Mine look like those above. I guess I will leave them in place, keep the self-leveling feature save some $. Replace the front, probably with Bilstein. But I wonder about wear and tear...
  17. Scott in AZ

    Lil’ Help - Question About ZW7 Code and Suspension Upgrade

    I’m doing homework on suspension for my 2001 GMC Yukon SLT 4WD. I’m leaning towards Bilstein B6-4600 front and rear, because seems like can’t go wrong with this choice. The spec for my front shocks are Bilstein PN 24-065009. My rear shocks are Bilstein PN 24-143806. On Bilstein’s webpage there...
  18. Scott in AZ

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Drive thru the forest up to the Trailhead for some mountain biking. Days like this when it all comes together and the projects in the garage worth every penny and every minute.
  19. Scott in AZ

    Reliability

    Congrats on your successful family trip! Maybe use some of the grand you saved on your truck now? Take in to a trusted local mechanic for an oil change, 4-wheel alignment, and diagnostic checkup. Plus test the battery (or proactively replace if more than 4 years old). That’s about $250 but...
  20. Scott in AZ

    Oil consumption between changes

    I drive my 2001 Yukon 4WD regularly , about 4,000 miles per year. Currently 172,000 miles. Im rough on the suspension heading to the trail head with my mountain bike, but I’m on eggshells on the gas pedal. But it’s worth it. I consume much less than a half a quart between annual oil changes...
  21. Scott in AZ

    2003 z71 tahoe

    Looks fantastic. Great workmanship and aesthetics. Really good mix of black paint, black trim and coordinating OG chrome. Question on the bumper - did you texture coat the black paint on your bumper? I’ve seen this on a few trucks and SUVs lately. My bumper upper trim panel is OEM paint and...
  22. Scott in AZ

    21+ Tahoe LED Tail Lights

    I don’t understand why anyone would use LED that requires a supplemental resistor. Resistor converts electrical energy into thermal energy. It heats up, probably not hot enough to damage adjacent equipment, but 140-150F is not uncommon. The extra current draw will offset the efficiency...
  23. Scott in AZ

    Do Amplifiers Wear Out?

    It’s really easy. Front and rear are both held in place by 2X 7mm hex screws, and some clips. I find it easier to remove the door panel courtesy lights before starting. While they are out replace them with Amazon LEDs. Best to watch the YouTube videos but pics below give a good overview. Even...
  24. Scott in AZ

    Do Amplifiers Wear Out?

    It’s really easy. Front and rear are both held in place by 2X 7mm hex screws, and some clips. I find it easier to remove the door panel courtesy lights before starting. While they are out replace them with Amazon LEDs. Best to watch the YouTube videos but pics below give a good overview. Rear...
  25. Scott in AZ

    Do Amplifiers Wear Out?

    My experience with my 2001 is that the speakers are the weak link, and sonically testing your amp with your ears on ten-year old speakers is hard to do. I just finished replacing all the speakers. They were all severely degraded. The subwoofer sounded so bad I THOUGHT the amp was blown but...

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