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iflypigs

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  1. Owners should: owners can wait for GM to reach out to them to make an appointment with their dealership. This service update is for vehicles in dealership inventory and customer vehicles that return to the dealership for any reason in the future. Dealers and owners can reach out to Chevrolet or GMC directly using the contact information included below with any questions or concerns they may have. The service update was released in August 2021 and will expire at the end of the truck’s New Vehicle Limited Warranty Period. Edit: After contacting my local GMC dealer it seems this issue only a
  2. I devised my own (see photo). Worked perfect. I've put a cap on each end to keep it clean until next time.
  3. Time for my second oil change on 2020 Sierra HD 6.6L Duramax. Given the location of the oil filler, anybody have a cool trick for pouring in 10 qts of oil (from gallon jug)? I haven't even found a funnel that looks like it would fit or be much help. Thinking about a long hose that would come up between the back of the hood and the windshield and connect to a funnel.
  4. My 2020 Sierra Denali 3500 has had a rhythmic knock or loud tick when decelerating since new. It now has about 7K miles. It seems to be louder as the truck gets hot, especially when towing my RV. I'm not good at determining the direction of a sound, so I don't know if it is engine or trans. I've read the thread on this forum about the knock at idle, but this sound is not heard when stopped at idle, only when taking foot off the accelerator pedal to decelerate or going downhill....not braking. I took the truck in at about 500 miles to get interior warranty work done and told them about
  5. I thought set-up was simple. The trailering app asked if I wanted to set up the sensors. I thought it went into learn mode, but there was no horn chirp. It started the 2 minute countdown for the first sensor. I let air out of the front left tire and I got a green check mark and pressure on the display, but again, no horn chirp. I continued around the trailer and got a green check mark for each tire. Never got a horn chirp. Several days later I went and hooked up the trailer and it showed low pressure on some tires 62-67 psi. I checked the pressure with a gauge and they were all still r
  6. Another fix: @SenecaDriver -Thanks for this fix. The valve stems that fit both sizes are called TR-416. NAPA had them in stock at the local store. NAPA Part #: NTH 90416 https://www.napaonline.com/en/p/NTH90416 However, the threads on the TPMS sensors were too short to use the TPMS's existing seal on my aluminum wheels (maybe on a steel wheel they wold work?), anyway, my tire guy removed the original seal and was able to get them to fit. They've been on for several days now @ 80psi with no leaks. Once the Sensors were installed the trailering program recogn
  7. Another fix for the large hole: @SenecaDriver -Thanks for this fix. The valve stems that fit both sizes are called TR-416. NAPA had them in stock at the local store. NAPA Part #: NTH 90416 https://www.napaonline.com/en/p/NTH90416 However, the threads on the TPMS sensors were too short to use the TPMS's existing seal on my aluminum wheels (maybe on a steel wheel they wold work?), anyway, my tire guy removed the original seal and was able to get them to fit. They've been on for several days now @ 80psi with no leaks. Once the Sensors were installed the
  8. @SenecaDriver -Thanks for this fix. The valve stems that fit both sizes are called TR-416. NAPA had them in stock at the local store. NAPA Part #: NTH 90416 https://www.napaonline.com/en/p/NTH90416 However, the threads on the TPMS sensors were too short to use the TPMS's existing seal on my aluminum wheels (maybe on a steel wheel they wold work?), anyway, my tire guy removed the original seal and was able to get them to fit. They've been on for several days now @ 80psi with no leaks. Once the Sensors were installed the trailering program recognized them and the set-u
  9. Unfortunately my 2020 3500 Denali did not come with the $50 option to include the 4 trailer sensors. I believe in previous model years some trim levels included them at no charge. I would think a lot of people got them and don't need/want them. I have two trailers, so I'd like to get 8 total sensors. They should have the GM part #84152501 printed on them as in the photo below. I don't mind you making a good return on your $50 (or no-charge) investment. I'll pay $120 for a set of 4. PM me.
  10. Does anyone know the part number for the sensors? I just purchased a 2020 Sierra 3500 Denali. It did not have the $50 trailer TPMS option (comes with 4 sensors), but obviously has the trailering app. The dealer quoted me $150 for 2 sensors. They didn't even know if they would work on the truck. They thought the option may have had to be programmed at the factory. From this thread, that does not appear correct? I'd like to get two sets of 4 for 2 trailers. Disregard...I see the part number was shown in one of the photos above.
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