Tag Archives: Diesel

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Ram

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The National Highway Traffic Safety Administration has opened an investigation into nearly 605,000 heavy-duty Ram trucks. A report from the regulator’s Office of Defects Investigation has tabulated 22 complaints from the 2019 and 2020 model years, all of which use 6.7-liter Cummins turbo diesel engines, spurring the NHTSA to launch a formal investigation. Complaints revolve around loss of motive power, with most incidents occurring above 25 mph and resulting in the “permanent disablement of the vehicle.”

While the public was not made aware of the investigation until Monday, the agency launched its probe last Thursday on October 14th. The goal will be to establish how widespread the presumed defect is, what exactly caused it, and any potential safety hazards relating to the issue. Some headway has already been made, however. 

Back in 2019, Fiat Chrysler Automobiles (now Stellantis) issued Warranty Bulletin D-19-02 to dealers. The memo requested stores participate in a campaign to “collect, monitor and correct quality issues” on certain MY 2018-2020 Ram trucks equipped with the 6.7-liter Cummins. The NHTSA’s action summary states that this resulted in FCA and an unnamed supplier collecting and inspecting high-pressure fuel pumps.

Vehicles under suspicion include all Ram 2500, 3500, 4500, and 5500 HD pickups from the 2019-2020 MY. The NHTSA plans on looking into the trucks to determine whether or not it needs to press Stellantis to launch a recall. That means asking the manufacturer to give its take on the situation while it compiles warranty claims, injury reports, and whatever FCA previously had on those suspect fuel pumps.

Regulators have been incredibly hard on diesel vehicles ever since Volkswagen’s emissions scandal upended the industry in 2015. While a part of me wants to believe the NHTSA just has it out for Ram’s HD lineup (since a few have asked), it seems far more plausible that this was a standard, shrug-your-shoulders defect. Selective environmental regulations have made diesels cost more as they’ve gradually amassed a bevy of pollutant controlling hardware while also complicating powertrains to a point that has lessened their overall effectiveness. But the impact this has had on their reliability is less obvious and may have nothing to do with a bunch of subpar fuel pumps.

Let’s face it, U.S. regulators haven’t been shy about hitting manufacturers with emissions-focused recalls backed by the Environmental Protection Agency and/or California Air Resources Board in the past. If they wanted to chide Cummins or FCA/Stellantis over pollution, they could have done so overtly.

Stellantis has said it plans on cooperating with the NHTSA fully, launching an investigation of its own for good measure. So we should have some answers soon, including the name of the supplier. In the meantime, you might want to keep a closer eye on how your HD Ram is running if it falls under the purview of the investigation.

[Image: Stellantis]

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The production version of the i4 Concept will reach the U.S. next year. It will use a shared platform.

A week before unveiling the all-new iNext battery-electric vehicle, BMW said it will “realign” its strategy and begin developing a unique architecture solely for “electric drives,” rather than sharing the same platform for vehicles using both battery and conventional gas and diesel powertrains.

That’s a complete about face for the Bavarian marque which, in recent years, had hoped to save money and simplify manufacturing by coming up with common architectures that could roll off the same line. But it also marks a return to BMW’s original strategy when electrified models like the all-electric i3 city car and plug-in hybrid i8 sports car used unique platforms.

“The aim is to create an overall optimum with the new architecture,” CEO Oliver Zipse said during BMW’s quarterly earnings presentation on Wednesday.

(BMW preps for i4 launch, confirms plans for all-electric 5-Series and X1.)

Over the past decade, the auto industry has gone back and forth on the appropriate approach to developing electrified vehicles, pure battery-electric models, in particular. Some, like the Ford Focus Electric and the Volkswagen e-Golf, shared common platforms with the gas and diesel versions of those vehicles. Others, such as the original BMW i models, as well as the new Ford Mustang Mach-E and VW ID.3, used unique architectures.

BMW says the production iNext should get nearly 400 miles of range per charge.

Each approach had both pluses and minuses. Shared platforms result in design compromises, often limiting the amount of batteries that could be stored on a vehicle – impacting range, among other things. But development costs can be held down, while increasing the flexibility of a company’s assembly lines.

Unique platforms, most adopting a skateboard-style layout with batteries and motors mounted below the load floor, can handle larger packs, increasing range and lowering a vehicle’s center of gravity. But that means additional development costs and the tooling up of plants dedicated solely to EVs.

With an upcoming wave of new products BMW had aimed for a compromise strategy. They use flexible platforms that can squeeze more batteries under the load floor for models like the all-electric i4 fastback due out next year. But there’s space for a conventional internal combustion engine for products such as the next BMW 4-Series.

Now, , “We will realign our vehicle architecture from the middle of the decade,” said Zipse, adding that, “Our new cluster architecture is geared towards electric drives” exclusively.

BMW’s i3 is one of the automaker’s best-selling electric vehicles. It uses a unique, rather than shared, platform.

“Our new plant in Hungary plays a key role here,” said the CEO, noting that production of “the new BEV-centered architecture will start there.”

(BMW and Mercedes suspend joint autonomous vehicle development program.)

The plan is to make the new strategy a high priority, an all-new product development operation reporting directly to Zipse. But it will be able to reach out to all other areas within the company, from engineering to sales and marketing which “gives us more control and makes us much faster,” he explained.

The shared platform strategy had come under intense scrutiny within BMW, noted German magazine Automobilwoche, Over the summer, Manfred Wochs, the head of the BMW Works Council, had warned that it resulted in “too many compromises” that could set BMW back competitively, especially in key markets like the U.S. and China.

BMW is racing to get a leg up in an emerging market segment that currently is dominated by the upstart Tesla – with an assortment of traditional competitors, as well as start-ups like Lucid, Fisker and Rivian, aiming to gain share.

But Zipse insisted that BMW will be ready when its new EVs hit market around 2025. “We anticipate that the demand for fully electric vehicles will continue to increase significantly from 2025 onwards. Exactly then – keyword timing – we will ignite phase III of our transformation.”

(BMW may go for a plug-in hybrid with upcoming X8 M.)

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