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By Counterman
The water pump is a vehicle component that needs no introduction. For most vehicle owners, however, they don’t think about it until something goes wrong.
As the only moving part of the cooling system, the water pump plays a vital role in keeping the vehicle running optimally in all weather conditions. Water pumps usually last a long time – 100,000 miles or more on average. When a water pump fails, though, the results can be catastrophic for the engine.
Let’s talk about some common causes of premature water-pump failure.
Coolant Contamination
Coolant can become contaminated with dirt, debris or other substances that can wear down the water pump’s internal components, including the seals and bearings. This contamination can accelerate wear and lead to early failure.
Cavitation
This phenomenon occurs when vapor bubbles form in the coolant near the pump’s impeller blades, causing shock waves when they collapse. Over time, this can lead to pitting and erosion of the impeller blades, reducing the pump’s effectiveness.
Improper Coolant Mixture
Many water-pump failures are caused by factors other than a faulty pump. Using the wrong coolant mixture or water-to-coolant ratio can cause corrosion and deposits within the pump, reducing its efficiency and lifespan. Additionally, incorrect coolant types can chemically react with pump components, causing deterioration.
Bearing Failure
Bearings within the water pump allow the impeller to spin smoothly. Over time, these bearings can wear out or fail – often due to tension from a misaligned or overtightened belt – leading to noise, leaks or a seized pump.
Thermal Stress and Fatigue
Constant exposure to fluctuating temperatures can cause the metal components of the water pump to expand and contract, leading to stress fractures and eventual failure.
Leakage and Seal Failure
The water pump’s seals are prone to wear and degradation over time, leading to coolant leaks. Such leaks not only reduce the efficiency of the cooling system but also can cause overheating and further damage to the water pump and surrounding components.
Warning Signs
Recognizing the early signs of water-pump failure can prevent more significant engine damage. Here are some key indicators:
1. Coolant leak – One of the most straightforward signs is a coolant leak at the front of the vehicle, typically near the center. This can indicate a failed seal or gasket in the
water pump.
2. Overheating engine – If the water pump isn’t circulating coolant effectively, the engine temperature can rise, leading to overheating. Persistent overheating, especially under normal driving conditions, should prompt an inspection of the cooling system, including the water pump.
3. Strange noises – A failing water pump can produce a variety of noises, such as whining or grinding, often due to bearing failure or an impeller rubbing against the pump housing.
4. Steam from radiator – Seeing steam emanate from the radiator is a clear sign of overheating, which could be due to a malfunctioning water pump.
5. Corrosion and deposit build-up – Visible corrosion or significant scaling on the water pump or surrounding components can indicate a failing pump, often due to improper coolant use or leaks that allow air into the system.
While the service life of most OE water pumps should be 100,000 miles or longer, a cheap replacement pump might not make it 30,000 miles before it starts to leak. To keep your customers happy, it’s always a good idea to recommend a well-built, high-quality water pump from a trusted manufacturer. And when they’re replacing the water pump, you’ll want to check if they need any gaskets, hoses, coolant, belts or a thermostat.
Also, if your customer who just purchased a new aftermarket water pump from you doesn’t flush the system and use new coolant when they install the new pump, there’s a good chance you’ll be hearing from them sooner rather than later with a warranty return. You should encourage your customers to follow the vehicle’s recommended flush-and-fill schedule, and to always use the coolant specified by the vehicle manufacturer. Most coolant suppliers do not recommend intermixing different brands or types of coolant in the same cooling system, due to the risk of coolant-gelling, corrosion or abrasion of water-pump seals.
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By Counterman
Carter has expanded its line of electrical auxiliary water pumps to include three new part numbers tailored specifically for Tesla vehicles.
“With a focus on meeting the unique demands of Tesla vehicles, these auxiliary water-pump SKUs are engineered to efficiently move fluid in high-temperature environments, keeping pace with the rapidly evolving technologies found in modern engines,” the company said in a news release.
The new part numbers cater specifically to Tesla models, complementing Carter’s comprehensive range of water pumps that already cover 95% of domestic and import VIO,
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By Counterman
Carter has expanded its popular line of Rapid Fit water pumps and now is offering 33 part numbers covering 80.8 million vehicles in operation.
Carter Rapid Fit water pumps are engineered with pre-mounted components to deliver time-saving installation for the professional technician. Designed to be installed directly out of the box, Rapid Fit water pumps help save an average of 15 to 25 minutes in the bay, according to the company.
“Expanding the coverage of our Rapid Fit pumps gives our customers more options to help get the job done and save time.” said Ryan Gernheuser, repair group director, product management/aftermarket engineering at First Brands Group.
Also now available is the release of a new Carter online water-pump catalog. Gernheuser added that the new catalog “is another valuable resource for automotive technicians providing vehicle-specific information for engine cooling applications on the road today.”
For more information, visit
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By Feda Auto parts
1. Depending on the fuel used
According to the different fuel used, automobile engines can be divided into gasoline engine, diesel engine, CNG engine, LPG engine, dual fuel engine and so on five kinds
A. An internal combustion engine that uses gasoline as fuel is called a gasoline engine; Gasoline engine has high speed, low quality, low noise, easy starting and low manufacturing cost.
B. An internal combustion engine that uses diesel as fuel becomes a diesel engine. Diesel engine has higher compression ratio, higher thermal efficiency, better economic performance and emission performance than gasoline.
C. Combustion engines that use compressed natural gas (CNG) as fuel are called CNG engines. Natural gas, which is mainly composed of methane and is burned to produce carbon dioxide and water, is a very safe and environmentally friendly energy source.
D. An internal combustion engine that uses liquefied petroleum gas (LPG) as fuel is called LPG engine. LPG has the characteristics of high calorific value, full combustion, and low content of carbon monoxide, hydrocarbons and sulfide in the exhaust.
E. Internal combustion engines that can use both fuels are called dual fuel engines, such as hydrogen/gasoline engines, LPG/ gasoline engines, CNG/ gasoline engines, and so on.
2. Classification by stroke
According to the different working stroke of the engine, the automobile engine can be divided into four stroke engine and two stroke engine.
A. The internal combustion engine in which the
link hidden, please login to view turns twice (720°) and the piston moves up and down in the cylinder for four strokes to complete one working cycle is called the four-stroke internal combustion engine, which is widely used in automobile engines. B. The crankshaft rotates once (360°) and the piston reciprocates two strokes in the cylinder to complete one working cycle of the internal combustion engine called the two-stroke internal combustion engine.
3. Classified by cooling method
According to different engine cooling methods, automobile engines can also be divided into water - cooled engines and air - cooled engines.
A. The water-cooled engine is cooled by using the coolant circulating in the cylinder body and the cover cooling water jacket as the cooling medium. Water-cooled engine is widely used in modern automobile engine because of its uniform cooling, reliable operation and good cooling effect.
B. The air-cooled engine is cooled by using the air flowing between the cylinder body and the radiator on the outer surface of the cylinder head as the cooling medium.
4. Classify according to the number of cylinders
According to the number of engine cylinder block cylinder, the engine can be divided into single
link hidden, please login to view, double cylinder and multi-cylinder engine. An engine with only one cylinder is called a single cylinder engine; An engine with more than two cylinders is called a multi-cylinder engine, such as three cylinders, four cylinders, five cylinders, six cylinders, eight cylinders, twelve cylinders are all multi-cylinder engines. Modern car engine uses four cylinder, six cylinder, eight cylinder engine.
5. Classification by cylinder arrangement
According to the arrangement of engine cylinders, there are five common forms of automobile engines, which are in-line, oblique, opposed, V and W.
The cylinders of an in-line engine are arranged in a row, usually vertically, but in order to reduce the height, the cylinders are sometimes arranged to tilt or even level; A double-row engine arranges the cylinders in two rows. The Angle between the two rows is less than 180° (generally 90°), called a V-engine. If the Angle between the two rows is equal to 180°, it is called an opposing engine.
6. Classified according to whether the intake system adopts supercharging mode
According to whether supercharged can be divided into non-supercharged and supercharged two categories, gasoline engine more natural inspiratory type; In order to increase the power, the diesel engine adopts supercharging.
7. Sort the piston according to its working mode
According to the piston working mode, the engine can be divided into two categories: reciprocating piston type and rotor piston type. A reciprocating piston engine, referred to as a piston engine, is an engine that uses one or more pistons to convert pressure into rotational kinetic energy. Reciprocating piston engine, the reciprocating linear motion of the piston in the cylinder, through the crankshaft to convert the linear motion of the piston into the rotation of the crankshaft, general engines are used in this form.
The rotor piston engine is referred to as the rotor engine, which drives the engine spindle to rotate through the rotation of the piston in the cylinder.
8. Type by fuel supply
Gasoline engines can also be divided into carburetor and electric injection according to different fuel supply methods.
The carburetor relies on the negative pressure formed by the intake air flow of the engine to absorb and atomize gasoline for combustion work; Carburetor engine fuel supply is the use of the throat set above the throttle, air flow through the throat to produce negative pressure, the gasoline from the main nozzle continuous suction, into the engine intake manifold, into the cylinder.
Its ejector engine is called electronically controlled gasoline injection engine, which consists of intake system, fuel system, electronic control system and so on. It is based on the sensor installed in the near term system of the engine and the body of the sensor perceived information, provided to the computer control system, accurate calculation of the fuel supply required by the engine in various conditions, and to provide the required pulse width to the fuel injector, and then there will be a certain pressure of fuel through the injector into the intake manifold or cylinder. It has much stronger environmental protection than carburetor engine, but also improve the engine inflation efficiency, increase the engine power and torque.
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By Counterman
Dayco has expanded its lineup of water pumps to include coverage for almost 30 million vehicles that require an electric water pump, with more parts expected to be introduced in 2023.
With Dayco’s extensive experience in the OE market, Dayco’s aftermarket team made a strategic move into the category in 2021 knowing automakers were increasingly demanding electric water pumps to enhance fuel efficiency, horsepower and customer comfort.
“According to
link hidden, please login to view, the global market for this product line reached more than $3.1 billion at the end of 2021,” said Tom Tecklenburg, director of aftermarket, Dayco North America. “It is forecasted to double to almost $7 billion by 2027, so we wanted to be at the ready to help our channel partners as the demand for these parts in the aftermarket builds.” Originally found on high-end vehicles, today’s electric water pumps are installed in many model passenger cars, and light- and medium-duty trucks, and are notably more common in turbocharged and supercharged vehicles as well as vehicles with start/stop technology, EVs and BEVs.
Providing OE-quality performance and meeting critical electrical performance benchmarks, Dayco’s electric water pumps are designed as direct-fit bolt-on replacements that do not require any modifications during installation, according to the company. To prevent rust and premature failure, the pumps are engineered using stainless steel for all water-contact components. In addition, all pump bearings are self-lubricating, graphite composite, making them corrosion-resistant and compatible with engine coolants.
“A key benefit to having access to Dayco’s aftermarket line of pumps is that it’s a more cost effective replacement solution compared to expensive OE pumps,” said Tecklenburg. “In addition, we provide an extended 125,000-mile warranty on our all water pumps so that our customers never have to worry about a comeback claim.”
For more information on Dayco’s electric water pumps, visit the Dayco
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