Tag Archives: water pump

While my water pump gently weeps…apologies to George Harrison


  By Steve Schaeber, MACS Technical Editor Most modern engines use some type of water pump to circulate antifreeze through the engine and heat exchangers to regulate operating temperature. Many of the engine-driven pumps contain shaft seals that are lubricated … Continue reading

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What do you know about the electric water pump?


Electric water pumps are not only more efficient than belt or chain-driven water pumps, but they can earn carbon credits toward Corporate Average Fuel Economy (CAFE). Okay, electric pumps are nothing new as they have been used as auxiliary pumps … Continue reading

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Hot advice for heater diagnosis


When a cold winter, produces a lot of no-heat complaints. And with the struggling economy, the word we hear from most shops is that customers are not willing to spend for extras. So what’s a conscientious shop looking to pay … Continue reading

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General Motors eAssist Cooling Systems


Water-cooled starter/generator (GM photo) by Jacques Gordon GM’s eAssist™ is a mild-hybrid system that was introduced on the Buick Regal in 2012 and is now available on the Buick LaCrosse and Chevrolet Impala. As on other hybrid vehicles, the eAssist … Continue reading

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Advanced Cooling System Diagnosis


Recently a young tech recognized Donny Seyfer in a parts store and stopped to talk with him. Introducing himself as Ron, he congratulated Donny on his election as chairman of ASA national, then asked about the training class on cooling … Continue reading

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Did you know there will be a world record challenge on Monday?


Australian motoring enthusiast Rod Wade, aka the Vintage Adventurer, is preparing to set a new world record in the Ocean to Ocean Driving Challenge as he drives his 1930 Ford Model A, against the clock from New York to California. … Continue reading

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Are you seeing water pump come backs?


The water pump is the heart of the cooling system and today’s pumps are made better than ever, with such features as stainless steel impellers and more durable seals. But although they seem to be lasting longer, they aren’t matching … Continue reading

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Less Filling


Ford 1.5L EcoBoost engine: the exhaust manifold is part of the cylinder head casting There’s a clutch on the water pump By Jacques Gordon, Managing Editor MACS ACtion Magazine Ford and FIAT announce their next steps in fuel economy In … Continue reading

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ACDelco’s guidelines for replacing engine coolant


Under what conditions should you replace a vehicle’s engine coolant? After vehicle service repairs when a heater core, radiator or water pump was replaced, a check of the thermostat, hoses and coolant should be performed. The coolant may need to be replaced due to corrosion, contamination, or insufficient inhibitor levels. Continue reading

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Coolant questions asked and answered


In a previous MACS blog post we discussed Seven reasons why coolants may fail at low mileage. That post led to several interesting questions from Richard in New Zealand, who explained he was “not a mechanic and seeking honest advice.” To answer his specific questions, we submitted them to MACS member Dr. David Turcotte, Zerex Director at the Valvoline Company.

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