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  1. tom3

    Delco battery date coding?

    I can decode most replacement brand batteries but this Delco has me stumped. Anybody know how these numbers work on a Delco?
  2. tom3

    Suggestions for code scanner tech tool?

    Looking for a basic code scanner for the newer GM vehicles. I have the 2019 Tahoe, son has a 2017 with the same drive train. Not looking for bi-directional operation or to reprogram anything, just pull codes, reset SES, see live monitoring inputs. I see several that look good, priced right, but...
  3. tom3

    Oops, turned key on with MAF unplugged, service engine light on

    Changing battery and air filter today. Hooked up 12 standby power while battery was unhooked but after I put the new air filter in I turned on the key to get mileage with the MAF unhooked. Now I see the service engine light on, also see the oil pressure was reading high on the first drive...
  4. tom3

    Time for new battery, need info, 2019 Tahoe

    For our 2019 Tahoe. OE battery is a 94RPG or H7 size flooded acid standard type battery. Looking at new batteries I see that for a few more dollars I can get the same physical sized AGM H7 with a better amp rating and better warranty (4 year free replacement). But I'm not really up to date on...
  5. tom3

    Changing flat tire, lug nut removal?

    Looked down at a rear tire and see a drywall screw in it. Head to Discount Tire and got it fixed. Got me to thinking. How do I get those lug nuts off if I'm on the side of the road? At 140 ftlbs I can't imagine having anything in the factory equipment to get those off. Anyone ever have to...
  6. tom3

    PM on exhaust manifold bolts?

    I'm wondering if it would be a good idea to remove the exhaust manifold bolts and put a dose of Never Seize on them? 4 year old Tahoe @ 30k miles. How common is it for those bolts to break off - even at this point? Might be asking for trouble to do this?
  7. tom3

    Fuel filter replacement?

    Coming up on 30k miles on our 2019 Tahoe and wondering about replacing the fuel filter. Can't find anything in the owner's manual, can't find a part number for a replacement. Every time I search I get everything except an actual replacement OE type fuel filter. Is this something special that...
  8. tom3

    Transmission fluid/filter change - gasket?

    Coming up on 30k miles on our 2019 Tahoe and time for a minor tune up, air and cabin filter, transmission service. Looking at a replacement OE AC filter and it doesn't come with a pan gasket, can't find a PN for an OE type gasket either. So, question, is the factory filter re-usable? I'd...
  9. tom3

    2019 Tahoe wiper blades?

    I figure it's about time for new wipers. Looking around (Rock Auto) and see about 20 different types of blades that are listed for this 2019 Tahoe and they all look different than what I'm seeing on my Tahoe. The beam style blade is pretty standard but the attachment point is a weird looking...
  10. tom3

    Spare ignition key?

    Looking to get a spare key for the 2019 Tahoe. Don't see any chip or anything in this key, just grooves. Anybody had one made for this series SUV or truck? Dealer only or can a lock shop cut the grooves for this? Thanks.
  11. tom3

    Chrome wheels, plastic coated?

    Thinking about some chrome multi spoke wheels of some sort, OE styled. Friend of mine was telling me that all the current factory chrome wheels like this are actually chrome plastic coated. Says some guys remove that plastic and polish up the actual aluminum to get that type look. Are the...
  12. tom3

    Transmission service, changing bypass thermal valve, part numbers?

    Posted in wrong forum previously. Getting ready to drop the pan and change lube and filter on the 2019 Tahoe transmission. Like to change to the lower temp. thermal bypass thermostat valve while I'm into it. I see the original lower temp valve no.86774933 is "unobtainum" these days, searched...
  13. tom3

    Oil coolers, standard or option?

    Looking at the RPO codes on our 2019 and I see KC4 and KNP for engine and transmission coolers. Are these standard equipment on most Tahoes or an extra cooling deal. This a 5.3 4x4 and 6sp with trailering package but a 3:08 gear.
  14. tom3

    Current pricing, 2022 & 23

    This from another forum, maybe a good start for anyone in the market. For reference, here are the 2022 and 2023 Chevy Tahoe trim levels and their corresponding starting MSRPs, including the $1,895 destination freight charge: 2022 Tahoe LS – $53,795 LT – $59,295 RST –...
  15. tom3

    New battery install, question

    Had a new battery installed at the dealer for our 2019. Noticed that behind the passenger seat the floor mat was pulled out and our junk that we had stuffed under that seat was lying on the floor. Is there a module or something that would need unplugged or reflashed for the install? Noticed...
  16. tom3

    Battery type and replacement in a 2019

    Our Tahoe is over three years old now and I usually go four years on a premium battery. These vehicles seem to hit the batteries hard. Should I be looking for a new on or run it another year or two? What's in the 19? AGM or standard? We don't drive this a lot, sits for a week or two...
  17. tom3

    Transmission temperature readout, found it

    Took a road trip today and spent some time with the DIC looking for the trans temp readout. Finally got it by going through two or three screens to add it to the info menu. Drove 40 miles on the highway on a 70 degree day and the temp was 172 degrees. Went through town to the house and it went...
  18. tom3

    Trailering package rpo code info.

    Our 2019 Tahoe has a trailering package listed rpo Z82. I see code - KC4 engine oil cooler and KNP - Hd aux. trans cooling system. Are these added on coolers or built in to the radiator? Would this rig have the lower temp transmission thermostat? Also see a 3:08 rear end ratio which seems a...
  19. tom3

    Removing transmission pan

    Getting ready to pull the trans. pan and replace filter, fluid, and thermostat. I see the exhaust pipe runs right under the pan. Can I get the pan off without dropping that exhaust pipe? Pretty messy job usually (for me anyway) and I'd rather know ahead of time if I have to drop that pipe...
  20. tom3

    Dexos oil - general observation

    I usually change oil at around 4k miles, ran it out to about 6,000 this time in a year's running, probably 80% highway use. Had noticed a drop in oil pressure just lately. Usually stays right on 40 psi on the highway and dropped maybe 3 lb. The oil minder was showing 34% range remaining. Got...
  21. tom3

    New lease deals"

    Saw a flyer on new lease deals for the Tahoe. Priced at 39 months 10k miles/year with a bit over $7000 down and $700 a month. This is for a 22 Tahoe LT. I wonder what the odds are that there is a 22 Tahoe LT anywhere in the USA sitting on a lot? Ad says must take delivery before May 31...
  22. tom3

    2019 grill chrome spot corrosion

    Posted this previously in the wrong forum. Sorry. Anyone seen this before? Washing the Tahoe (2019) and noticed the smaller plastic chromed grill bars are starting to pit and corrode. 2 1/2 years old and 16k miles, garaged. The pieces just snap in. The basic grill looks fine, must be better...
  23. tom3

    2019 grill chrome spot corrosion

    Anyone seen this before? Washing the Tahoe (2019) and noticed the smaller plastic chromed grill bars are starting to pit and corrode. 2 1/2 years old and 16k miles, garaged. The pieces just snap in. The basic grill looks fine, must be better stuff. Couple pictures, not real bad yet but sure...
  24. tom3

    ECM system upgrades? Notification?

    Driving in town today and I notice the AFM deal is different. Before with light acceleration I could really feel those four cylinders straining/vibrating before it went back to V8 mode. Today it switches to V8 earlier with less throttle. Can't feel it at all but I can monitor it on the DIC...
  25. tom3

    Ten speed autos for the 2022s

    See the 2022 Tahoes and Suburbans are getting upgraded 10 speed automatics now. Standard equipment. Able to add new software upgrades on the fly I guess. https://gmauthority.com/blog/2021/12/2022-chevy-tahoe-and-suburban-get-new-10-speed-automatic-transmission/

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