Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...
General Motors has issued a technical service bulletin (TSB) to address a water pump failure problem on certain examples of the Chevy Silverado 1500 and GMC Sierra 1500 pickup trucks and the Cadillac ...