Power Assist Brake Vacuum Problems of Chevrolet Malibu

The contact owns a 2016 Chevrolet Malibu. The contact stated while driving 65 mph as the contact was pressing on the brake pedal it became stiff and the vehicle would not stop, the contact pull the emergency brake handle and the vehicle was able to come to a stop. The contact was able to make it home. The vehicle was diagnosed by an independent mechanic, and he stated that the vacuum pump needed to be replaced. The vehicle was repaired. On a different occasion while the contact was driving 60 mph the vehicle started overheating and smoking, and the check engine warning light illuminated. The contact was able to pull over on the side of the road and shut the vehicle off. The vehicle was towed to the contact home. An independent mechanic diagnosed the vehicle and stated that the engine needed to be replaced due to metal fragments from the defected vacuum pump. The dealer was contacted, and they stated that the vehicle needed to be diagnosed by the dealer. The manufacturer was contacted, and they stated that the vehicle was not under recall and there was nothing that they could do. The failure mileage was 141,943.

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The contact owns a 2018 Chevrolet Malibu. The contact stated while driving approximately 55 mph, the vehicle shifted into limp mode. The contact stated that she pulled over and when the gear was shifted to park (p), the brake vacuum pump failed. No warning light was illuminated. The vehicle was then towed to her residence. The contact stated that an independent mechanic went to her residence and diagnosed the vehicle. The independent mechanic retrieved dtc: p0365 for the camshaft position sensor. Additionally, the contact was informed that shattered pieces of the brake vacuum pump dispersed into the camshaft. The contact stated that pieces were also found in the oil lines. The contact stated that the brake vacuum pump was repaired; however, the camshaft sensor was not yet replaced due to the part not being available. The manufacturer was not made aware of the failure. The approximate failure mileage was 83,000.

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