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By Counterman
On modern vehicles, overheating is a rare occurrence thanks to high-quality hoses, thermostats and better engine management. Unfortunately, the weak point is still the coolant. Whether it’s a 100,000-mile or 150,000-mile coolant, eventually it will break down and lose the ability to protect the components with which it comes into contact.
Coolant at 100,000 miles may look the same as coolant with zero miles, as the real difference between good and bad coolant can’t be seen with the naked eye; it is in the chemistry and based on mileage.
Coolant contains additives called buffers that keep it at a neutral pH but these buffers are meant to last forever. When these chemicals become depleted, the pH can’t be controlled. It rises dramatically in a short period of time the moment the buffers are fully depleted. This is why replacing the coolant at the recommended interval is critical.
Coolant has two specifications that can be used to justify replacement — the condition of the additive package and the freezing point.
The additive package is the secret sauce for a coolant. Its main function is to control corrosion. Other components of the additive help with heat transfer and cavitation reduction. Some additive packages use seal conditioners to extend the life of the gaskets and plastic carriers.
The freezing point is measured by the overall specific gravity of the coolant, which has a direct relationship to the coolant/water mixture. This test can help spot coolant that has been compromised by the owner topping off with water. This measurement works well on systems that do not have pressurized reservoirs.
The strength or freezing point of coolant can be measured with a simple hydrometer. This device uses a calibrated float or plastic balls (not as accurate) to show the specific gravity of the coolant. This, in turn, shows how much freezing/boiling protection the coolant offers. You must remember to compensate for temperature because the specific gravity (density) of the coolant is lower when the coolant is hot.
The more professional tool for this purpose is an optical refractometer because it is very accurate and automatically compensates for temperature. Be aware: these are not simple, inexpensive tools. A refractometer can cost up to $300 or more because of the precision optics in its lens. Ethylene glycol (EG) and polyethylene glycol (PG) antifreeze have slightly different densities, so you have to use a hydrometer or refractometer with the appropriate scale (or one with a dual scale) for accurate test results.
Color-coded chemical test strips that are dipped into the coolant can be used to quickly and easily reveal the condition of the coolant. These strips of coated capillary paper react to the presence of certain dissolved minerals in the coolant and change color to give a good, marginal or bad indication of the coolant’s pH condition. Some test strips also show the concentration of antifreeze in the coolant.
The added benefit of test strips is that the results can be shared with the owner by attaching the used strip to the inspection form.
But, mileage is the gold standard for any coolant replacement recommendation. Engineers and chemists spend a lot of time formulating the coolant to match the engine and interval.
If you are performing a water pump, heater core or hose repair, recommend a full coolant flush. Just topping off the coolant can lead to a mixed bag when measuring the pH and freezing point. Also, check the specific gravity before a repair. Many customers know how to top off their coolant with water that could dilute the coolant concentration.
Selling any fluid maintenance service is difficult these days. But, if you document and educate customers on the importance of coolant, it becomes more than just an “add on” service.
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By Counterman
It’s been estimated that fraudulent warranty claims cost auto parts stores $600 million every year.
Those costs stem from a number of expenses that are set in motion by a return, including manually processing credits; reverse logistics and transportation; repackaging products; and additional quality-control testing to rule out major defects in materials.
The “Check the Part” campaign estimates that more than 50% of warranty returns are either brand-new or not the manufacturer’s product – which suggests that many parts professionals aren’t even looking at the item that’s being returned.
Endorsed by MEMA Aftermarket Suppliers and the Auto Care Association, the campaign encourages parts professionals to follow a simple three-step process when processing warranty returns:
Open the box. Inspect the part. Verify the return. Recently, Dorman Products published a return guide for CV-joint kits.
If a customer wants to return a CV-joint kit, Dorman offers these three tips to help to determine if it’s a valid warranty claim:
Open the box and make sure the correct part is in the box. Some customers may try to return unrelated products and heavy objects as a scam. Dorman parts will be laser-etched with the part number as shown. OEM parts or parts from other manufacturers are not valid returns. Some joints come lubricated from the factory. Others have grease supplied. Grease must be installed in all cases. No joint can last without lubricant! Verify grease was present – the unit should be pretty messy when returned. If you see rust, blue discoloration or distorted components, it’s likely the joint had too little grease and thus is ineligible to be returned. Please share examples of ineligible returns on link hidden, please login to view. You can download a PDF of the return guide below:
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By NAPA
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By Counterman
FCS Automotive announced the release of 18 new part numbers.
The release includes four shock absorbers covering nearly 3.6 million vehicles in operation, and 14 suspension struts covering 5.4 million vehicles in operation.
All of the units are in stock and ready to ship, FCS noted.
The new numbers cover some of the most popular applications on the road today, including the Audi A3, Chevrolet Tahoe, Ford Bronco, Jeep Compass, Mazda 3, Mercedes Benz E350, Nissan Sentra and more, according to the company.
“FCS remains committed to be first to market with new numbers, while providing the most comprehensive market coverage in North America – well-beyond our nearest competitor,” FCS said in a news release.
As a global supplier in more than 40 countries, FCS products are produced to meet strict OE quality processes backed by extensive in-house testing and IATF 16949 and ISO 14001 certifications, according to the company.
For more information, call 866-708-4554 or visit
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