New Turbocharged 2.7L 4-Cylinder Engine Powers Full-Size Trucks 2019-2020 https://gm-techlink.com/?p=11837 plus this notice - " Some 2019 Silverado and Sierra models equipped with the 2.7L 4-cylinder engine (RPO L3B) may have an engine will not crank condition. If this condition is found and the starter […] " https://gm-techlink.com/?p=11876
https://carbuzz.com/news/chevy-and-gmc-are-in-big-trouble-over-diesel-engines "General Motors is dealing with its own situation regarding diesel engines. The Detroit News reports that GM is now facing a class-action suit alleging its 6.6-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel. Details of the lawsuit, which was filed this week, say GM sold "hundreds of thousands" of engines containing a Bosch fuel injection pump that pumps metal shavings into the fuel injection system, ruining both the fuel system and the entire engine. American diesel fuel is thinner than its European counterpart, allowing for air pockets that cause the metal to rub against metal and create shavings." <continued at above link>
Does anyone use weight in the back of the bed to give better wet road traction? I use to have pieces of railroad rail (about 20" lengths) in the back of my last truck - one piece on each side of the bed and close to the tailgate. I have tires that have good wet road ratings yet I can still slip the tires easily on medium takeoffs or hard stops. I would like to add something to the bed to give better traction to the light weight of the rear of the pickup. Here is one option - but kind of expensive . I would think +/- 50 lbs each side - not too expensive? https://www.walmart.com/ip/Weider-Olympic-Hammertone-Weight-Plate-45-lbs-Single/54165936?selected=true I had 50# bags of sand (play sand) but the bags do not last very long what with being exposed to the sun rays all the time and then I end up with all the sand in the bed.
https://gm-techlink.com/?p=11664 June 27, 2019 The 10L80 and 10L90 10-speed automatic transmissions (RPO MHS, MHW, MF6, MGL, MQB) available on 2017-2019 Camaro, 2018-2019 Escalade, Tahoe, Yukon Denali, 2019 CT6, Silverado 1500, Sierra 1500, and Suburban models feature a Part Unique Number that may contain the number zero (Fig. 28, #1) and/or the letter O. (Fig. 28, #2) Fig. 28 If the transmission valve body is replaced, the software may not accept the Part Unique Number (PUN) during the characterization procedure if the PUN is incorrect. Keep in mind that the PUN may contain the letter O as well as the number 0 (zero). The PUN must be entered correctly during programming. Be sure to enter the PUN accurately and to take notice of the difference between the letter O and the number zero.
Ah so, this concept is not new (but it was to me) and may not apply to my Silverado, yet reading the excellent 'comments' above and doing a 'search' on words like "which new cars need a battery registered" or words like that will provide some useful information (mostly for BMWs, but knowledge is knowledge). Also suggestions like, if you want to skip the registration, at least get a battery as close to the original specs as you can.
Saw this 'article by Consumer Reports' on the Web: https://www.consumerreports.org/car-batteries/how-hot-weather-affects-your-car-battery-what-to-do-about-it/ <cut> In some cases, owners can replace an AGM battery with a flooded one to boost longevity in hot climates, Barron says, but it’s best to consult a mechanic first. Many cars come with AGMs to support an increasing array of electrical components, and the charge system may be configured specifically for the charging needs of the AGM. Cars and their batteries are becoming more capable and sophisticated. This can add complication to the once-simple task of battery replacement. Barron points out that some recent models from Audi, BMW, Ford, Mercedes-Benz, and others require the battery to be registered by the car, so it can optimize charging and usage. This typically requires a mechanics’ scan tool, a professional-grade device that interfaces with the car’s computer system. Even older vehicles can require some level of reprogramming by a mechanic when a battery is changed to allow all systems to work. Ultimately, this means that many DIYers may find that they need assistance from a professional. <cut>
Lawsuit on 'Chevy Shakes' - http://gmauthority.com/blog/2019/06/gm-lawyers-hit-back-over-alleged-chevy-shake-in-court/ And lawsuits on 8 speed transmissions are shown on the same site - look in the 'other topics' or additional links shown on the page.
https://gm-techlink.com/?p=11599 May 30, 2019 The GM Accessory Assist Steps available on 2014-2019 Silverado, Sierra; and 2015-2019 Tahoe, Suburban, Yukon, Colorado and Canyon models help make it easier to get in and out of the vehicle. Installation of the Assist Steps requires using the included brackets and mounting hardware and securing to the vehicle underbody. (Fig. 14) Here are a few tips to ensure a successful installation.
April 30, 2019 Corroded or stripped electrical ground connections can cause a loss of module communication and other electrical system malfunctions, leading to unnecessary repairs and parts replacement. The electrical system relies on a secure, corrosion-free ground connection in order to function properly, so any damaged ground connections must be repaired to provide a good mounting point with a low resistance ground path as well as prevent future corrosion. https://gm-techlink.com/?p=11430
https://gm-techlink.com/?p=11409 The next generation Diagnostic Charge Battery Station (DCBS), available beginning in July 2019 from GM Dealer Equipment, promises to make battery tester faster and easier. Integrating the latest technology, the DCBS will be able to perform comprehensive battery diagnostic services in 20 minutes or less. The new DCBS (Fig. 4) will be replacing the EL-50313 Midtronics GR8 Battery Tester/Charger currently offered through GM Dealer Equipment. Interesting article for those who care about this stuff.
Service 4WD Message https://gm-techlink.com/?p=11123 A Service 4WD message or Service Engine Soon message may display on the Driver Information Center of some 2019 Silverado 1500 and Sierra 1500 models. The following DTCs may be set:
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