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GM being sued over imploding Bosch fuel pumps in Duramax diesel trucks

Texas-based law firm Hilliard Martinez Gonzalez (HMG) this week filed a class-action lawsuit against General Motors over an alleged issue with Bosch CP4 fuel pumps. The suit claims Bosch designed the CP4 pump to work with European diesel fuel, which is thicker than U.S. diesel. When GM installed that pump in the 6.6-liter Duramax engine used from the 2011 to 2016 model years, the lawsuit claims the thinner U.S. fuel didn't provide enough lubrication, allowing air pockets to form in the fuel pump. That, in turn, allegedly let metal rub against metal inside the pump, causing the pump to eventually disintegrate and "send thousands of metal shards into the fuel injection system and every part of the engine." The Detroit News reported on the most recent lawsuit filed in Michigan's Eastern District Court, but the case is another piece of nationwide legal maneuvering going on since at least last September. Every U.S. truck maker used the Bosch CP4 fuel pump, and HMG originally went after all of them, as well as Bosch. On September 30, 2018, HMG filed a class-action suit in Texas on behalf of eight plaintiffs. The law firm wanted to prosecute the affair under RICO — the Racketeer Influenced and Corrupt Organizations Act — and named 10 defendants: FCA US LLC, FCA North America Holdings, LLC, F/K/A Chrysler Group, Fiat Chrysler Automobiles, N.V., Ford Motor Company, General Motors LLC, Robert Bosch GmbH, Robert Bosch LLC, VM North America, Inc., and VM Motori S.P.A.  The firm filed another suit in Florida on Nov. 2, 2018, against the same 10 defendants, again under the RICO statute, this time on behalf of more than 30 plaintiffs. We don't know how many other suits might have been filed, but the two suits mentioned apparently didn't have legs — the courts dismissed both quickly. So HMG shifted its strategy away from the RICO angle, and focused its efforts on GM, filing suit in California on Nov. 20, 2018. Instead of trying to catch 10 fish with a small net, HMG wants to score one fish with a big net. The results have borne more promise for the plaintiffs. In July this year, a judge in California denied GM's motion to dismiss, noting "the alleged defect is central to the vehicleÂ’s function." This latest suit filed on Aug. 6 in Detroit singles out GM again.  The Bosch CP4 is known to be problematic, however.

Why the 2019 Ram HD Power Wagon still doesn't have a diesel

We were all pleased to see that the all-new 2019 Ram HD pickup truck was going to have an off-road Power Wagon variant again. In a world of high-speed, dune-busting off-roaders, the slower, trail-focused Power Wagon is refreshing. But we were surprised to see that, yet again, Ram wouldn't offer a Cummins diesel engine with it. It seems like such a perfect match with low-down torque and better fuel economy. So we asked Jim Morrison, the head of Ram, what's going on. As it turns out, there are a couple of reasons for only offering the gas engine. First is the fact that Ram can't fit the standard winch behind the bumper when the longer straight-six turbodiesel is in the truck. And since the Power Wagon has always had a winch, and it's a big part of the truck's image, that would be a non-negotiable. Another reason is that the big, heavy diesel engine requires slightly different suspension that has worse articulation than the setup for the gas model. That would also hamper the truck's off-road capability, and again would not be acceptable on the ultimate off-roading Ram. Of course this all left us wondering whether there might be a future one, and from what Morrison told us, it doesn't look like it. We asked him if there's demand for a diesel Power Wagon, and he said there's always a little bit, but there hasn't been enough to bring it to market. He also said that demand has actually decreased lately, and he attributed that to low fuel prices right now. So if you really want a compression-ignition Power Wagon, you'd better hope gas prices spike in the near-ish future. Related Video:

Ford, Ram in heavy-duty towing spat

Every pickup truck commercial has the brand trying to convince us that its model is the biggest, brawniest vehicle on the block. But Ford and Ram appear ready to really throw down the gauntlet and scrap over the towing figures for their heavy-duty models, and it could potentially end up in court.
The issue revolves around what it means to be best in class. Ford claims that its 2015 F-450 (pictured above) has a max tow rating of 31,200 pounds, compared to 30,000 pounds for the Ram 3500 (right). However, both companies market these heavy haulers as having the top towing in their class. According to Automotive News, Ford is threatening legal action if Ram doesn't back down.
The situation isn't as simple as just comparing the numbers, though. First, the two companies calculate their towing capacities differently. Ram adheres to the SAE J2807 rating, while Ford uses its own internal system. Although, as the company introduces new models, they are certified using the SAE standard. "When an all-new F-Series Super Duty is introduced, it also will use SAE J2807," said Ford to Autoblog in an emailed statement.