GM Expands Brake Vacuum Pump Recall
In November of 2018 we had written about how the governmental agency National Highway Traffic Safety Administration was investigating vacuum pumps in certain GM vehicles. Now, two years later, an additional recall has been announced for more GM vehicles.
The GM vacuum pump recall has been expanded by more than 17,000 vehicles after General Motors determined these vehicles, equipped with 5.3L or 6.2L V8 engines, should have been included in a 2019 brake vacuum pump recall.
2018 Cadillac Escalade
2018 Chevrolet Silverado 1500
2018 Chevrolet Tahoe
2018 GMC Sierra 1500
2018 GMC Yukon
The pump failures are caused by oil sludge that builds up on the pump filter screen and blocks the flow of oil into the vacuum pumps, reducing the pressure of the vacuum. The automaker says failing to change the oil as recommended can contribute to the problem by allowing debris to turn into sludge.
The condition is occurs more often at low speeds when gently applying the brakes, and GM says the stopping distance may increase but the brakes remain functional.
GM's number for this vacuum pump recall is N202300860 and can be accessed here.
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