A conventional thermostat and water pump are similar to a carburetor and mechanical fuel pump in one regard – they can only respond to change, not be proactive in their engine management.
25 years later, turbochargers have made a comeback – and it’s been quick.
Andrew Markel discusses the limited lifespan of thermostats, and how that makes it necessary to replace the thermostat as part of a cooling system task.
You might be seeing a trend on late-model water pumps, such that an undersized mechanical pump being augmented by an electric pump with an electronic thermostat.
Reading engineering papers tends to be a boring exercise, but they do give technicians a new perspective on how a common automotive cooling system could actually be improved.
Andrew Markel explains how dried out coolant can break down and cause scale in certain components of the cooling system.
Given the current range of extended maintenance intervals, it’s safe to say that your shop might see Grandma’s 2011 Volkswagen Jetta only when its oil life monitor indicates the need for an oil change.
Auto manufacturers are continuing to increase fuel economy and power output by changing how the cooling system operates. Make sure you’re up to date on modern cooling system technology.
A Mercedes comes into the shop with a complaint of poor heater performance. The driver says during cold mornings that the heater will blow cold while he’s driving to work during rush hour traffic. The car is not overheating and the air is coming from the correct ducts. Your first reaction might be to install a new thermostat and inspect the heater core for a blockage. During a test drive, the system may perform great for you. Is the customer just cold blooded?
Heed the Telltale Signs of Component Failure Springtime brings with it the vacation season when many families will hitch a boat or camping trailer to their fully loaded family car, SUV or pickup truck and travel to some remote wilderness hideaway. Needless to say, both the parents and their vehicle’s cooling system will be stressed […]