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GM recalls 3.8 million vehicles in North America due to braking issue

WASHINGTON — General Motors Co said Wednesday it was recalling 3.46 million U.S. pickup trucks and SUVs to address a vacuum pump issue that could make braking more difficult and that has been linked to 113 accidents and 13 injuries. The recall covers 2014-2018 model year vehicles, including some Cadillac Escalade, Chevrolet Silverado, Chevrolet Tahoe, GMC Sierra, Chevrolet Suburban and GMC Yukon vehicles. In late June, GM recalled 310,000 vehicles in Canada for the same issue. GM did not immediately explain why the Canadian recall occurred more than two months before it called back the vehicles in the United States. The recall was triggered because the amount of vacuum created by the vacuum pump may decrease over time, GM told the National Highway Traffic Safety Administration (NHTSA) in documents posted on Wednesday. The NHTSA opened a preliminary investigation into the issue last November, and said it had reports of nine related crashes and two injuries. It provided GM in July with additional field reports that prompted the automaker to open an investigation. GM said it could affect braking in "rare circumstances." The NHTSA said in a statement the "vehicles may experience brake boost failure, which would require increased brake pedal effort, leading to a hard brake pedal feel, and potentially increased stopping distance." GM said dealers will reprogram the electronic brake control module to improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted. GM said the vacuum assist pump, which is lubricated with engine oil that flows into the pump through a filter screen, can in some cases lose effectiveness over time, as debris such as oil sludge can accumulate on the filter screen. GM told NHTSA that prior model years used a different brake assist system design, and vehicles manufactured after 2018 were not equipped with the affected pump design. Separately, GM said on Wednesday it is recalling 270,000 additional U.S. vehicles in three smaller recalls, including 177,000 2018 Chevrolet Malibu cars with 1.5L turbo engines because an error in the engine control module software may result in the fuel injectors being disabled.

Cadillac XTS to become Opel flagship sedan?

According to Auto-News.de, Opel is considering using Cadillac's all-new big sedan, the XTS, as the base for its new flagship car, which would likely carry the name Omega.
WorldCarFans.com speculates that Opel could use GM's 3.6-liter direct-injection V6 that generates 304 horsepower or, possibly, a 2.8-liter turbocharged six-cylinder engine that creates 321 horsepower to power the vehicle. The European automaker could even use a 195-horsepower turbocharged four-cylinder engine in this application - fine, since many of Europe's largest sedans are powered by smaller, more efficient engines.
Regardless of power, the Omega could arrive at dealerships by the end of 2013.

Cadillac Lyriq teased ahead of debut next week

The Cadillac Lyriq is just around the corner, set to be fully revealed on August 6. Cadillac just released a few teaser photos and videos as preparation for the big debut a week from today. It’s our best look at the production version of the car yet. Of course, you may remember photos of the EV concept released over a year ago, but the production crossover is shaping up to be a little different. This carÂ’s most intriguing element so far is the charge outlet panel integrated into the front fender. The large piece appears to lift up and slide out of the way when itÂ’s time to plug in. This reveals a decorative LED light strip that outlines the outlet, ultimately leading into the Cadillac logo above. Below the panel is a small, silver GM badge that if our guess is correct, says “Ultium” for the Ultium battery technology going into the Lyriq.  The wheels feature a unique silver and black two-tone design. Those black inserts are ridged, and the wheel is likely designed for better aero performance and increased range. ItÂ’s tough to say much about the design itself, but the silhouette is giving us crossover coupe vibes with its heavily raked rear window and sloping roofline. It appears to have a couple spoilers, one on the roof and then another as a ducktail below the rear window. CadillacÂ’s video teasers provide for the briefest of front end glimpses. Still, we can see the fancy lighting signature that Cadillac has created. ThereÂ’s both a light-up Cadillac badge and small LED lighting strips integrated throughout the grille. ItÂ’s concept car-like in appearance, so we do wonder whether this will find its way into a production Lyriq. The vertical DRL weÂ’re used to seeing on other Cadillacs has also made an appearance on the outer edges of the front bumper. ItÂ’s been previously stated that the Lyriq would enter production in 2022, so even when GM does reveal the electric Cadillac next week, itÂ’ll be a long while till we see the vehicle on the road. Related Video: