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2020 Ram 1500 4x4 Suspension Deep Dive

What is taking everyone so long? That’s what I continually ask myself each time yet another all-new full-size pickup comes out with leaf spring rear suspension. Meanwhile, this 2020 Ram 1500 pickup represents a dozen years since coil spring rear suspension debuted when its prior generation was still being called a Dodge Ram 1500. Ford, Chevrolet, Toyota and Nissan introduced full redesigns of their pickups well after Ram proved that coil springs were the way to go, and yet leaf springs persist with the competition. IÂ’m not just popping off, here. In the 1990s I used to specialize in pickup truck suspension tuning for the Toyota Technical Center. Leaf springs are crude and loaded with compromises, but thatÂ’s all that truck design engineers ever gave us to work with. I was instantly all-in on RamÂ’s move to rear coils after the first few miles of driving a 2009 Ram 1500 pickup. Empty-bed ride comfort and handling were on another level, but it could still tow and haul. In fact, towing stability proved to be frankly incredible on the normally-treacherous downhill leg of my winding tow test grade. I fully expected everyone would copy it immediately. But they didnÂ’t. Others may have doubted the payload aspects. Ram never did. It soon doubled down and put coils under the back of its 2014 2500-series trucks. IÂ’ve developed other theories that seek to explain why no one followed their lead, but theyÂ’re not worth dredging up because I think the dominoes will soon begin to fall. Spy photos suggest that the next Toyota Tundra will switch to coils, and there are rumors that the Ford Raptor is going that way. ThatÂ’s not much of a stretch because the Ranger Raptor (only available outside the U.S.) already has coil spring rear suspension. WhatÂ’s the big deal? LetÂ’s take a look at the underside of a 2020 Ram 1500 Laramie 4x4, the second iteration of the Ram 1500 to employ coil spring rear suspension.   As it has for some time, the front end of the Ram 1500 rides on double wishbone suspension. The truck employs a high-mount upper wishbone (yellow arrow) that positions the upper ball joint up behind the tire sidewall instead of inside the wheelÂ’s barrel. This layout offers improved steering geometry and reduced stress in the upper ball joint, the upper control arm and its mounting points.   Coil-over spring/shock assemblies (green) come standard on all 2019+ (fifth-generation) Ram 1500 pickups whether they have four-wheel drive or not.

GM also sheds parts from its pickups to boost payload ratings

The row between Ford and Ram over who boasts the best-in-class tow rating for heavy duty pickups has revealed a number of things. Chief among them is a report that Ford removes items like the spare tire, jack, radio and center console from its vehicles in a bid to lower its base curb weight and therefore keep the truck's gross vehicle weight rating down.
For those that need a refresher, GVWR is the vehicle's curb weight plus its maximum payload. A lower GVWR allows Ford to station its F-450 among the so-called Class III pickups, despite the fact that internally, it has the makings of a more brutish Class IV truck.
Ford explains away these deletions, saying a customer could order their vehicle in such a manner. It has also come to light that Ford is not the only automaker to engage in such practices.

FCA recalling 425,000 Ram 1500, Jeep Compass to fix windshield wipers

Fiat Chrysler is recalling an estimated 425,588 Jeep Compass SUVs and Ram 1500 pickups to fix windshield wipers that may not be adequately secured. The voluntary recall involves Jeep Compass models and Ram 1500 and Ram 1500 Classics from the 2019 and 2020 model years built before March 3 of this year. FCA says it knows of no related injuries or accidents related to the issue, which involves a fastener that is supposed to connect windshield-wiper arms not being secured sufficiently. The new wiper nut was first introduced into production at a Detroit-area plant that builds the Ram 1500 on April 28, 2019. Left unaddressed, it could affect a driver’s visibility and increase the risk of a crash. One owner of a 2019 Compass in Wichita, Kan., filed a complaint with the National Highway Traffic Safety Administration in June 2019 and said the windshield wiper came off during a storm the day the vehicle was purchased. FCA says it will begin contacting affected customers later this month to arrange a free repair. Customers can also contact their dealer if their wipers donÂ’t sufficiently clear their windshield, or if the wiper arms get stuck and donÂ’t return to the rest position when de-activated. Customers can also contact customer service at 1-800-853-1403. The recall also affects an estimated 76,280 vehicles in Canada and 3,280 in Mexico. Recalls Jeep RAM Truck SUV