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Anacortes Army Guy

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Everything posted by Anacortes Army Guy

  1. Can you use the left side (backside of steering wheel) controls to move through your playlist as you can in AA in lieu of the onscreen touch controls?
  2. Have you used your truck to tow another trailer with it powering up its lights properly? If not, I'd recommend hooking up to another trailer to determine if it's a truck or trailer issue. The RV seller should be more than willing to let you connect to one of their other trailers. Finally, does your AT4 have the tow package that provides the trailer light test option? If so, when you select the "Connections" option does it state that everything is "good to go?"
  3. If it were me I'd try to find another trailer to hook up to and see if the problem replicates itself to determine if it's the truck or the trailer.
  4. Do you have anything attached to the OBD port?
  5. I ordered a replacement filter for GM's Performance Air Intake from GM Parts Direct. While I have the 5.3L, I believe the air filter element is the same one that is used on the 6.2L, but the GM Parts Direct website should be able to confirm that. Here's the ordering information from GM Parts Direct for the filter my truck uses (as of 12 months ago): Part Number: 84428120 Cost: $63.94 I doubt washing a dry paper filter would turn out well. My plan is that when I approach the 20,000 mile recommended replacement mark I will closely inspect it, and use a vacuum to see if I can extend its life, and if not, put the replacement in. Since I don't live or drive in dusty conditions, I believe I can get more miles out of mine.
  6. During my last oil change at the 21,000 mile mark the technician noted hearing a belt "squeal." The service manager suggested that if it persists bring it back in and they'll replace the belt, assuming it's the source of the squeal. When I got it home I lifted the hood with the engine running and couldn't hear any squeal, or a hint of a squeal, but after thirty years in the field artillery my hearing is somewhat degraded. I don't see excessive black dust buildup on the front of the engine, but when I run my hand underneath the belt (engine off of course) there is a black film coating my fingers. Now, I believe this is most likely normal, but would like to hear other forum members' opinions. And my last question deals with the "ziptie method" of installing a new stretch serpentine belt. I understand how the various installation tools work, but can someone please explain how to do it using zipties instead? Thanks ahead of time for your responses.
  7. Wired AA will only work with the USB port under the head unit. All other USB ports you have are useful only for charging purposes.
  8. In 20 months of ownership and 22K miles I've never had my 5.3L fail to start right up, with zero episodes of any hesitation or extended cranking experienced on my part.
  9. I echo the previous poster's comments. My 2020 non-Trail Boss LT came stock with 275/60R20 tires.
  10. I assume the S&B CAI uses an oiled filter? If so, was it pre-oiled when you got it or did you have to oil it? The reason I ask is that the MAF sensors are sensitive to being contaminated by excess oil on a CAI filter. Before I installed the GM Performance CAI on my truck, which uses a dry filter, I was considering installing a Cold Air Inductions CAI, and that company's instructions on how to oil its filter were very specific about the process and letting it sit for 24 hours to drain any excess oil before installing. Long story short, I'd recommend getting a can of MAF sensor cleaner (and ONLY MAF sensor cleaner) from the auto parts store and clean your MAF - very carefully as it's fragile, then reinstall it and see if that helps.
  11. I ordered my replacement performance air filter at gmpartsdirect.com using part #84428120
  12. I chose the GM performance exhaust single side exit system. The side exit performance exhaust, unlike the dual performance exhaust, is not made by Borla, and by whom the dealer couldn't say, but it's a nice system. 3" diameter 304 stainless steel, and is a deeper sounding exhaust than stock, but not overly loud. Plus it came with a small adhesive GM Performance label that can be placed on your tailgate if you want, and that alone I'm sure is responsible for lots of extra horsepower and a much higher top-end speed.
  13. Welcome to the forum. If you use the search function in the upper right corner of the forum page and search for "service ESC" phrase you'll turn up quite a few threads on this specific topic - good luck.
  14. Somewhere in the paperwork that came with mine it said replace the filter at 20,000 miles. Since the filters are kinda pricey, I plan on seeing if I can just knock off any loose particles and maybe gently blow out other dirt from the inside of the filter.
  15. Welcome to the forum. The 5700lbs you mentioned for your trailer I assume is its dry weight - what is its GVWR? As mentioned by voided3, I'll echo his recommendation on using Tow/Haul Mode. In addition to what he stated, Tow/Haul Mode also disables the Auto Stop/Start feature, which I like. Though the manual states that you should use a WDH at trailer weights above 7000lbs, I'd recommend using one for smaller trailers as well. I tow a small camper with a GVWR of 3250lbs and am not using a WDH as the tongue weighs a measured 365lbs, depending on how I load it, but if I wasn't going to be upgrading to a larger trailer this coming year I might still get a WDH, if only to offset the minimal squat my truck experiences. I recently installed the Timbren Suspension Enhancement System (SES) to help with this problem, and plan on getting the Andersen WDH when I upgrade to a larger trailer. It's one of the lightest, if not the lightest, WDH on the market, and as voided3 pointed out the weight of the WDH needs to be factored in when doing your hitch weight calculations, and some of the WDHs on the market, that are very high quality I might add, weigh a lot. If you haven't done so, look at the label on the bottom of the driver's side door frame to see your truck's weight capacities as those are important when it comes to loading your truck and camper. Payload capacity on a half-ton is eaten up pretty quickly when you add up the weight of any accessories, family members, car seats, luggage, dogs, cats, and whatever else you plan on bringing, of course some of that stuff will go into the camper, but it all goes somewhere. Early on, and before any trip towing the camper, I highly recommend loading it and your truck with everything you plan on taking (including family members), to include filling the trailers fresh water tank if that's your intent (I only carry a few gallons in mine while traveling for potty breaks, then fill up at my destination or close to it), and run the rig across the scales at a nearby truck stop to learn exactly what your weights are. Manufacturer weight listings are not always accurate, and may not include the weights for the battery and filled propane tanks, and any RV dealer installed options. And finally, I also recommending you peruse the following link about WDHs: https://campaddict.com/reviews/towing/weight-distribution-hitch/ and this link about basic towing knowledge all people towing should be up to speed on: https://www.curtmfg.com/towing-capacity Good luck!
  16. I believe the short answer is no. The SD card reader for navigation only works on trucks with factory navigation. However, you can use the Maps+ (I think I have that right) app, coupled with the appropriate Onstar subscription plan for navigation that is voice turn-by-turn navigation, and I believe visual turn-by-turn directions are displayed on the DIC (no map on the infotainment screen though). A couple of aftermarket vendors do, however, offer options for upgrading to factory navigation if you have the IOS infotainment system and the SD card reader. White Automotive and Media Services is one, and OBD Genie is another. I went with the OBD Genie and am happy with the results on my 2020 Silverado LT.
  17. Requesting the build sheet, which lists all of the RPO codes for your VIN, from the GM social media account ([email protected]) is fast and will provide you with the answer. I received my build sheet within three hours of my request, though I did send my request early on a work day.
  18. As the previous poster stated, if the CAI uses an oiled filter, then oil could be contaminating the MAF. I'd suggest getting a can of MAF cleaner (not brake or carburetor cleaner), available in almost any auto parts store, and carefully clean the MAF sensor to see if that clears up the issue. As an aside, before I had the GM performance CAI installed on my truck I was considering the Cold Air Inductions CAI that uses an oiled filter. I remember the company's instructions for oiling their filter, and they were very specific as to the procedure to use, notably letting the filter sit upright for at least 24 hours after oiling to let any excess drain off before installing it to prevent contaminating the MAF. Of course this is all moot if your CAI uses a dry filter.
  19. Look at the following GM instruction sheet and see if it helps. https://ecom-dam.ext.gm.com/products/documents/ISheets_84328135.pdf
  20. If you haven't already seen it, this link will take you to an article in today's GM Authority email that you'll probably be interested in. https://www.google.com/amp/s/gmauthority.com/blog/2021/12/gm-releases-valve-lifter-service-update-for-v8-engines/amp/
  21. Silverado or Sierra? Year and model? Do you have a picture of this "filler" panel? BTW, welcome to the forum.
  22. I noticed that the part number listed is the same part number for the Silverado - I would have thought it would be a different part number for your GMC.
  23. I'm sure the more knowledgeable amongst the forum members will respond, but when I hear about rough idle issues I think things like dirty injectors or a bad spark plug, but I'm no automotive mechanic.
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