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  1. swathdiver

    Constant repairs - 2017 Yukon XL SLT 4WD 5.3 Flex

    1. Common Repair 2. Normal Maintenance. 3. Normal Maintenance. 4. Not Normal - Probably not torqued to spec when last replaced. 5. Normal Maintenance. While most of us think highly of powerstop brakes, even me, I consider them a downgrade to GM OE brakes. 6. Not Normal. 7-9. Normal Maintenance...
  2. swathdiver

    What the heck is this thing?

    Not with inflation. There's one on ebay from a low mileage vehicle for $31 and another new one for $44.
  3. swathdiver

    Probably need new O2 sensors?

    Cool, keep us posted.
  4. swathdiver

    Really frustrated, multiple codes

    Well, you probably have either a wiring problem or the ECM needs replacing. Check the wiring to see if anything melted or got eaten by a rodent. What were the DTCs related to the cats? Do you have a bi-directional scan tool? If you want to get after this, get one of those and a subscription...
  5. swathdiver

    04 Z71 Should I tune it?

    Have BlackBear tune it. He has the expertise, you and me don't. He's tuned 2 of mine so far. My Gen IV 5.3 puts down 315 horsepower to the rear wheels through the traps in the quarter mile and the tune is its only mod. @BlackBearPerf
  6. swathdiver

    No air in front vents

    Do you hear the fan running? Does it sound normal? Does the air come out under the windshield or floor instead? For the front AC, there are two actuators that control the flow of air, the Mode Actuator in the driver's footwell and the Recirc or fresh air actuator behind the dash on the...
  7. swathdiver

    Quick fitment confirmation question (GMT900)

    Sad to learn that you were in an accident but love that you're getting her fixed up and back on the road. I believe everything will fit. What I suggest though is to plug both VIN numbers into GMPartsGiant and maybe ACDelco https://parts-catalog.acdelco.com/acesCat.php to see if the VINs use...
  8. swathdiver

    Useless Information

    It was hot out yesterday, nearly a 100 when we left for grandma's house. The AC in the truck was cold, it was in the high 30s coming out of the vent but the flow was low even though the fan was on high. On the way back home I pulled out the Tech-2 and saw that all of the actuators were...
  9. swathdiver

    Bigger brakes for GMT900 short of a C6 conversion kit?

    Yes! The rear matching kit for anyone interested is SDCPR106TK. Here's something they found while during disassembly; And they said a lifted truck didn't need new control arms to maintain angles! LOL
  10. swathdiver

    Probably need new O2 sensors?

    Check the wiring, then follow the troubleshooting guide. If the wires are good, it's either the sensor or ECM. Do the simple and less expensive checks first. Use only GM OE sensors, even Denso branded sensors are calculated differently then the Denso sensors in the ACDelco wrapper. The tips...
  11. swathdiver

    This is now available at a local station

    Don't think it's all that anymore. Our cars are designed to run on it. Congress passed laws removing the old knock retardant and replaced it with Ethanol. I monitor the ethanol content in our vehicles. Quite often, fuel advertised at E10 has no ethanol in it according to my fresh oxygen...
  12. swathdiver

    Bigger brakes for GMT900 short of a C6 conversion kit?

    I bought that set for the front and rear of my lifted pickup a while back. The youngsters finally parked the truck and tore it down the other day so no first impressions yet. They are advertised for towing. Oh, my kit from RA came with two sets of rear calipers. Upon closer inspection, it...
  13. swathdiver

    Cooling fans coming on max after cold engine start, stays on till engine shutdown

    You are probably low on refrigerant. My two cents is not to throw parts at it as such can open other cans of worms. Put a manifold on the high and low side of your AC system and compare the pressure with the outside temp to see if she's or low or not. If so, my advise it to empty the...
  14. swathdiver

    New Akebono pads squealing

    No, this is why I stick with GM OE, even OE suppliers like Wagner and Akebono can make things a little different on their own line of parts.
  15. swathdiver

    Useless Information

    Towards the end of April my helper and I did some more work on the Saginaw 14-bolt 9.5" axle. We put the ring gear on the carrier, installed new wheel bearings and VSES tone rings, new races, etc. Of course we cleaned the inside too. A few days later we went to install the pinion with the...
  16. swathdiver

    Reuse injectors without changing o-rings?

    It's good practice to replace them but I don't think your truck is old enough yet to where they would be degraded. If you smell gas or your mileage goes down, pop the hood.
  17. swathdiver

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Hill Start Assist was introduced in 2012. These vehicles also received Trailer Sway Control too. The EBCM holds the brakes long enough for you to move your foot from the brake to the gas pedal.
  18. swathdiver

    Recommendations

    If memory serves, the FAST LSX intake with the longest runners and largest throttle body gave a 5.3 about 10 RWHP. That's a lot of money to spend for 10 horses. There's a semi-active member on here running around with that intake on a 5.3, ask him.
  19. swathdiver

    Best Dash mat?

    https://www.ebay.com/str/rzscustomcovers?_trksid=p4429486.m3561.l161211 Sorry, I misspoke, meant to write RZs Custom Covers!
  20. swathdiver

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    There are two different pad sets, one without Active Brake Control, JL4, and one for use with JL4. In 2008 a 2nd design of each type came out with pad spreading finders on the clips. So for 2008, you'll often see all 4 types. For 2009 and later, you might find another set listed for JL4...
  21. swathdiver

    Best Dash mat?

    My kids have the Covercraft Carhartts and mine is an RZ Customs in the style of the traditional Dash Mats. I used the Dash Mats since the 1980s but they had a long lead time when I was looking for one for the truck so I bought the RZ Customs. The first three photos are of the RZ in my...
  22. swathdiver

    2017 Escalade/Denali L86 "requires" 93 octane - your experience?

    The engine will run cooler, smoother and won't knock and destroy itself. It'll get better gas mileage too. As previously stated, the first Denalis were rated for 380 horses on regular fuel and the first Escalades were rated for 403 horsepower on premium fuel. The bone stock 6.2 in my 2013...
  23. swathdiver

    Can’t find this trim piece anywhere

    Plug your VIN in over at GMPartsGiant and have a look. Maybe try GMPartsDirect as well, they have diagrams.
  24. swathdiver

    2017 Escalade/Denali L86 "requires" 93 octane - your experience?

    I don't think those old computers had the ability to do that. We've only recently seen Toyota and Ram if memory serves do that with some of their vehicles. I'm aware of the tables, sort of, I thought there was one for gas and one for E85 on the 900s. To my way of thinking, there would have to...
  25. swathdiver

    A/C leak fixed system will not accept charge.

    No oil necessary in your case. Take off the jumper run the AC at its coldest temperature setting and highest fan setting and then add the refrigerant. Your Tahoe's R134A capacity is 2.5 pounds. 3 Pounds is the capacity of the Suburbans. Use the charts that came with your manifold to make...

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