Tag Archives: exhaust system problem

2019 Subaru Ascent, Crosstrek And Forester Increased Tailpipe Exhaust

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Subaru will be contacting the owners of certain 2019 Ascent, Crosstrek and Forester SUVs regarding a problem affecting the engine in their vehicle.

According to the defect report, the material used for the PCV valve case was changed from aluminum to steel on the engine production line beginning October 2018. The difference in metal combined with heating and cooling experienced during regular vehicle use could cause a gap to develop between the PCV washer and valve case. In addition, other components surrounding the PCV case could press into the case, potentially contributing to the separation of the valve components over time. If this happens, oil will enter the engine combustion chamber, changing the appearance and/or amount of tailpipe exhaust. If the vehicle continues to be driven under these conditions, drivers may experience a complete loss of engine power.

Dealers will inspect the PCV valve, and if the valve has separated, the short block engine will be replaced. Subaru’s number for this recall is WUW-08 and the NHTSA campaign number is 19V-856.

2017 Mercedes-Benz E400 & E550 Safety Defect

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Mercedes-Benz (MBUSA) will be contacting the owners of certain 2017 E400 4Matic Coupe, E400 Convertible, E550 Coupe and E550 Convertible vehicles, because one of the under body panels may have been manufactured out of specification. Vehicles equipped with dual exhaust systems may not have enough clearance between the catalyst and the panel. High temperatures could melt the panel and under certain conditions result in a fire.

Dealers will inspect and replace the under body panel, as necessary. Owners wanting more information about the problem are asked to contact Mercedes customer service at 1-800-367-6372. The NHTSA campaign number for this recall is 16V-831.

Repeated Check Engine Light On 2014 Silverado Or Sierra Truck?

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Owners of certain 2014 Chevrolet Silverado and 2014 GMC Sierra trucks equipped with 4.3L or 5.3L engines, may experience an illuminated “check engine warning light” when the vehicle is idling in cold temperatures. GM has reported that approximately 300,000 full size pickups are at risk of fire because of the problem and are asking owners to not leave their trucks unattended while idling, until repairs can be made. Continue reading →