My 17 started a squeak similar to a cricket. Found that I could stop it by pushing on the bottom of the B pillar. For now I have jammed a piece of wood in there, will have the dealer look at this soon. The B pillar does not seem too fun to get out of there.
Where is it in the door? I had an issue with the plastic trim around the window rattling. It is not really fastened around the outside so their solution was to put rope caulking between the trim and the door.
I have heard this as well and it is not the fuel pump. The timing of it seems to be tied to the backlight of the HMI, I hear it start when the screen lights up. The PWM of the backlight somehow gets into the radio, then the radio powers up enough to stop it. Good luck getting GM to fix it. All you will get is "Cannot duplicate customer concern".
andyhaug replied to Brock Samson's topic in 2014-2018 Silverado & Sierra TroubleshootingApparently the surveys do have an effect on the dealers. Somehow their pay is linked to the completely satisfied option. When they scratched my steering wheel, and made me do 2 more trips to the dealer to fix it, I did not select completely satisfied. I did the same thing for the seat belt recall because it now rattles. Now, when I went to schedule an appointment for the airbag recall/reprogram, they would prefer I find another dealer. I guess you are just supposed to be happy you get a vehicle back at all. What I find strange when I stated I would not recommend Chevrolet at all on the survey, it received no reaction at all from GM.
andyhaug replied to Brock Samson's topic in 2014-2018 Silverado & Sierra Troubleshooting
There are a lot of service bulletins out there. The dealer will not check them unless you complain about something. They are listed on the NTHSA web site. For some reason they have a Silverado and a Silverado 1500 option and there are differences. Go to the Manufacturer Communications tab to look for service bulletins. Could take you quite a while to go through them all. For important ones I would ask about the radio and the AC system. My radio has had an updated calibration put on it several times, still not the greatest system. There is also a bulletin for the AC system where it will not cool correctly, it will blow warm air randomly. New calibration and good to go now. Also on the AC system, make sure they have blow down turned on. Mine was not originally and it still smells like mold. The recalls they have to do before selling it to you. Any other important TSBs they will have already done. The only one that comes to mind is a TSB on the U joint bolts. Silverado http://www-odi.nhtsa.dot.gov/owners/SearchResults;jsessionid=pvLmYRfXrMjRWgy7PGdcBd8DK1r8hg1XxFFn2GkH22QDLFTx6tWp!-1131025498?searchType=PROD&prodType=V&targetCategory=A&searchCriteria.model=SILVERADO&cmplCount=39&rclCount=1&invCount=0&tsbCount=199&activeTab=0&stats=1973546%2C7%2C0%2C61%2C45%2CSILVERADO&makeStats=&jsonBaseURL=%2Fdownloads%2Ffolders%2F&searchCriteria.model_yr=2015&searchCriteria.make=CHEVROLET&searchCriteria.prod_ids=1973546&submit=Go Silverado 1500 http://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=PROD&prodType=V&targetCategory=A&searchCriteria.model=SILVERADO+1500&cmplCount=61&rclCount=7&invCount=0&tsbCount=45&activeTab=0&stats=2004075%2C1%2C0%2C39%2C199%2CSILVERADO+1500&makeStats=&jsonBaseURL=%2Fdownloads%2Ffolders%2F&searchCriteria.model_yr=2015&searchCriteria.make=CHEVROLET&searchCriteria.prod_ids=2004075&submit=Go
The transfer case neutral problem was a 14 to early 15 issue. I think this may have also only been a park issue. It was not a problem while driving, just a roll away type problem. Amazing that you were able to get them to acknowledge a problem. That is the first step of any problem.
I have a 2015 5.3 with a 6 speed. Over the last month as it has started getting cold out I have noticed an odd behavior after my truck sits while I am at work. If I start it with the key, wait until the gauges are done homing, put it in reverse, then touch the gas pedal it will lurch backward out of the parking spot. It seems like this is only if I start it with the key and go to reverse as soon as the gauges are done homing. If I wait another 30 seconds it will not do it, likewise, if I take the truck to lunch it will not do it. It seems like it needs to sit long enough to completely cool down. It seems like it is adding the high idle with the accelerator position, but what is weird is if it sits 30 seconds more it is still on high idle but does not have the same response. Anyone notice this behavior? I can already hear the dealer telling me this is "normal".
I have a 5.3 with the 6 speed. Mine does this as well. It is the 5th to 4th downshift. It is most noticeable on mine if I simply let off and let it coast. When I get to 30mph it will downshift and I lose 5 mph very quickly.
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