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Testing for Water in Gasoline
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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 Advance Auto Parts
Advance Auto Parts Puts a Charge in American Motorists on National Battery Day With Free DieHard® Auto Batteries Giveaway and Complimentary Battery Testing Nationwide Feb. 18
02/14/2024 New survey reveals 91 percent of motorists have experienced a dead battery, but nearly two-thirds admit they don’t think about having their car battery checked until it’s too late
RALEIGH, N.C.--(BUSINESS WIRE)-- Advance Auto Parts (NYSE: AAP), a leading automotive aftermarket parts provider, is jump-starting motorists’ attention to the safety and reliability of their automobiles by giving away free DieHard® batteries on National Battery Day, Sunday, Feb. 18.
This press release features multimedia. View the full release here:
link hidden, please login to view Customers who visit their local Advance Auto Parts store on National Battery Day, Sunday, February 18, may be randomly selected to receive a free DieHard auto battery. (Photo: Business Wire)
A new national survey by Atomik Research reveals 91 percent of American motorists say they have experienced a dead battery, but nearly two-thirds (65 percent) of motorists admit they don’t think about having their car battery checked until it’s too late.
On National Battery Day, Sunday, Feb. 18, Advance will surprise randomly selected customers with a free DieHard® battery, including those getting their current battery tested, at participating stores nationwide. As part of National Battery Day, Advance is partnering with pro football star quarterback Baker Mayfield to encourage motorists to get their car batteries tested.
“Our team of automotive experts are committed to customer care and advancing the needs of today’s motorists, such as offering complimentary curbside battery testing and installation every day, including on National Battery Day, Sunday Feb. 18,” said Junior Word, Advance’s executive vice president, U.S. stores. “Checking the performance of your car battery can prevent unfortunate and even unsafe events caused by dead batteries.”
Additional data from the national Atomik survey commissioned by Advance in January further validates the need to remind motorists to get their car batteries checked:
65 percent of motorists say they have missed or been late to something due to a dead car battery, including nearly 10 percent say they missed or were late to an important life event – such as a wedding, funeral or birth of a child Only 2 percent of motorists indicate they have had their car battery checked before a cross‑country road trip Only 5 percent of motorists report having ever checked their car battery when there is a drop in temperature To learn more about Advance’s car care offerings, including DieHard®, or find a store location, visit
link hidden, please login to view. DieHard® is America’s most trusted auto battery* and part of Advance’s portfolio of owned brands. About Advance Auto Parts
Advance Auto Parts, Inc. is a leading automotive aftermarket parts provider that serves both professional installer and do-it-yourself customers. As of October 7, 2023, Advance operated 4,785 stores and 320 Worldpac branches primarily within the United States, with additional locations in Canada, Puerto Rico and the U.S. Virgin Islands. The company also served 1,307 independently owned Carquest branded stores across these locations in addition to Mexico and various Caribbean islands. Additional information about Advance, including employment opportunities, customer services, and online shopping for parts, accessories and other offerings can be found at
link hidden, please login to view. Fleishman-Hillard, Inc. and Advance Auto Parts commissioned Atomik Research to conduct an online survey of 1,004 drivers throughout the United States. The sample consists of adults who own or regularly operate a gasoline-powered vehicle — hybrid and EV drivers were excluded from the sample. The margin of error is +/- 3 percentage points with a confidence level of 95 percent. Fieldwork took place between January 9 and January 11, 2024.
* Based on 2021 independent survey of nationally representative sample of 1,200+ drivers.
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