Fullsize Truck & SUV - 2019 - 2020 - 2021 T1XX Platform, Silikhan Publishing Group & GM-Trucks.com, 1999-2013 Silverado & Sierra (GMT-800/900), Changed my spark plugs now truck skips and runs rough, Breaking News - UAW and GM Reach Tentative Agreement, Costco Kicks Off Season of Values With Great GM Vehicle Deals, "Silverado Race Truck" Previews Future Silverado ZRX, New Face For 2021 Chevy Colorado Debuts On Hall Racing ZR2, Following a Hopeful Stretch UAW Now Says Strike Deal Moving Backwards. However, there is that one thing.eval(ez_write_tag([[580,400],'pickuptrucktalk_com-medrectangle-4','ezslot_2',109,'0','0'])); What is that one thing? Powered by Invision Community. We received so much feedback on this concern, we reached out to GM to interview their engineer on this engine. Officially, this engine is also found in the 2020 GMC Sierra 1500, 2021 GMC Yukon and 2021 Chevy Suburban. No one has touched on the fact that this diesel engine has an aluminum engine block with Iron Liners! According to NHTSA Recall #20V116000, the bolts used to secure the front and/or rear brake calipers may not have been properly heat treated. 2019 / 2020 Silverado & Sierra ; 3.0 duramax problem Facebook; YouTube; Twitter; Sign up for FREE! The fourth recall, NHTSA #19V814000, affects the entire GMC Sierra truck line with 556,399 vehicles potentially affected. 2020 GMC Sierra 3500HD Review: The Good, the Bad, and the Ugly What stood out to us on this 2020 Truck of the Year finalist.   Your link has been automatically embedded. If you have an account, sign in now to post with your account. These bolts may break under load, reducing brake performance or interfering with proper wheel rotation. Thanks. Hopefully that’s the case.

I think the Duramax 3.0L is a great counter-attack in the war on diesels in America. The sound is often more pronounced in the interior of the truck as it’s amplified by the transmission bell housing. It also includes a variety of innovative engine technologies like ceramic glow plugs that heat up faster providing a quicker cold start, a lightweight aluminum block, low pressure EGR and a variable geometry turbocharger. General Motors currently has four active recalls issued on this vehicle. The 5.3-liter V8 engine now offers quicker acceleration and enhanced throttle response. You have to drop the transmission to be able to access the belt to INSPECT it at 150,000 miles.

See all 42 photos. 2020 Duramax New Bed Step New Easy-Access Engine Block Heater Outlet. The bottom lineeval(ez_write_tag([[300,250],'pickuptrucktalk_com-box-4','ezslot_3',110,'0','0'])); While yes, removing the transmission to inspect a belt is rather ridiculous, and you are looking at around $1,000 for a mechanic to do the inspection, we are talking about a one-time inspection at 150,000 miles. Eventually got worse to what you see in the video. Pickup Truck + SUV Talk covers the latest in new pickups and SUVs while also keeping an eye on the unique and classic pickup market. You have entered an incorrect email address! They just got caught in a filter we have been using. Several guys with gas motors are reporting inability to restart. Seems to be electrical related. Will go into reduced power mode if low on DEF. NHTSA Recall #19V837000 states that the 2020 GMC Sierra 1500 may be missing a pressure regulator on the fuel pump. Does the Chevy 3.0L Duramax diesel have a design flaw? Sent from my SM-G973U using Tapatalk.

A problem with the electrical system has affected 350,371 vehicles. The new trailer-tow mirrors and camera system help make hauling up to 12,200 pounds a breeze. Video: Jeep Gladiator Top Dog Concept with hot dog maker on board! Seems to get worse after/while pulling a grade.Sent from my SM-G973U using Tapatalk, Your tellin me Plus, the fuel economy in the Silverado 1500 approaching an unheard of 30 MPGs is crazy good.

so anyone want to comment on the Iron liners in an aluminum block? Just had my first issue with my truck. Next-gen 2022 Toyota Tundra could get new diesel engine – No def?

Certain trucks with carpet floor covering are susceptible to a vehicle fire. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month … This comparison it like discussing apples vs. Alligators. GM tells us they are looking closer at this belt and will be seeing what they can do to redesign or change out the belt for something else. Over-pressurization of the fuel system can cause leaks, and possible cracking of the fuel pump may occur. I’ll adjust the settings. Technology upgrades abound in the 2020 GMC Sierra 1500.

With several different engine options, this truck has a setup that fits any driver’s needs. any thoughts on this? Its not fixed, was fine all week, pulled my small trailer to my cabin and it started doing it again. In the recall notice, GM states, “The battery positive (B+) cable rings may have been manufactured with excessive glue.”. LOTS of complaints/repairs reported. Iron Liners in an Aluminum Block probably not a good idea!?? Clear editor. Two interesting things from this we’re not warning lights or gauges indicated there was an issue with the engine (thought initially a tire had blown), second after dropping the truck off at the dealership, I later found out a second truck was there with similar symptoms. Not pulling your comments. GM releases replacement V-8 for older trucks, vans. However, there is a big detail prospective buyers need to know about this engine.eval(ez_write_tag([[468,60],'pickuptrucktalk_com-box-3','ezslot_7',108,'0','0'])); Officially, this engine is also found in the 2020 GMC Sierra 1500, 2021 GMC Yukon and 2021 Chevy Suburban. GMC has beefed up the 2020 Sierra 1500 with improved powertrain options, and a 10-speed automatic transmission option that is now available in more of their models. I picked up my 2020 Denali 2500 hd duramax this week and noticed a loud knocking at idle which increases in volume as the engine warms up. While the belt sitting in oil is a bit concerning to many, the fact it is a belt, not a chain or gear driven, also drew some concern. Although the cab is spacious, the huge climb up is a hindrance, and running boards, that are not included, are a must. Actually, it’s not a timing belt. Most Dependable Pickups of Last 15 Years – J.D. I own the GMC duramax 3.0l and absolutely love it first diesel I’ve owned. #Recall Alert: General Motors is recalling 350,371 full-sized pickup trucks at risk of electrical problems and stalling. If they do, we will let you know. Ideas? 2020 GMC Sierra 1500 owners are encouraged to contact GMC customer service at 1-888-988-7267 as soon as possible to correct the above-listed problems. Just Scary! Rear cameras offer “see-through” towing effects that enhance the driver’s ease of operation and comfort level. Remember, many timing belts can be done by owners while the new dynamax requires a drop of a transmission Anyone who is stupid enough to think you will get a dealership to do the replacement for just $1000 hasn’t been to the dealerships around our areas or else you are on a different planet than the rest of us. 3.0L Duramax Turbo-Diesel Engine

The engine is a ground up design made to fit perfectly in those vehicles and produces 277 horsepower and 460 pound-feet of torque in the half-ton Silverado with a surprising peak torque at just 1,500 RPMs. Came to a stop, sat there idleing for maybe 5 min. Both half-ton pickup trucks receive similar reviews and performance ratings, but the Sierra has a better overall look and feel to it. Sent from my SM-G973U using Tapatalk, Truck seems to be fixed. Some 2020 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have a thumping or knocking sound coming from the rear of the engine.

The Duramax turbodiesel inline-six engine, which was introduced in late 2019, is more readily available in the 2020 GMC Sierra 1500. It’s not the engine or its wonderful numbers , but the idiot who made the decision to put a belt on instead of a heavy duty chain should be shot.I can hear the engineer now saying ” Hey it’s at 150,000 that’s 8 to 10 years down the road, and when the belt breaks and it will, when they hear what it’s going to cost to repair it we’ll just get a new sale everytime, buyers are so dumb”. By using this site, you agree to our Terms of Use. Yes, that’s not a typo. Supposedly a connector issue, kinda makes senseSent from my SM-G973U using Tapatalk, Truck seems to be fixed. He has covered the industry since 2011. Separating from the pack with power. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech who both said it was normal.   Your previous content has been restored. Power Dependability, The big change for 2021 Ford F-150 5.0L V-8 isn’t horsepower. https://youtu.be/AX-KAzU90ww Started a trip and within 15 minutes began feeling a vibration. Owners say the system goes haywire and puts the vehicle in limp mode. RELATED: The Most Common GMC Sierra Problems You Should Know About. ×

Heard from the dealer today, they ordered an ecm for it, should be here Wednesday Sent from my SM-G973U using Tapatalk, Picked up the truck today, drove about 5 miles and it did the same thing, took it back. That’s a lot of fancy words to say the inherently balanced inline-6 is the leading edge of new diesel engine technology. The interior of the 2020 GMC Sierra 1500 is basic, according to Consumer Reports, who called it “unimpressive for a $50,000 truck, with cloth seats, cheap-looking controls, and a clunky old-school column-mounted gear selector.”. This engineer has been with this engine since its creation and spoke to us at length about why the belt was chosen and why, yes, it is true, the transmission has to be removed to access the belt. As soon as the news of the engine hit the internet, people quickly pointed to an oil pump belt residing in oil and needing to be inspected at 150,000 miles. Thanks, I updated the post. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. Engine block heater outlets are an eye sore when situated behind the grille or near the bumper. If you want to throw stones, hurl one at the overly-complicated Active Thermal Management system with its temperamental rotary coolant valve. GM states that “When the front seat belt pretensioners deploy, hot gas may vent through an opening in the pretensioner bracket, possibly igniting the carpet.”.

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