coolant Archives - Page 3 of 3 - UnderhoodService
PEAK Unveils New Coolant Marketing Campaign Featuring John Force

The campaign aims to educate consumers about simple steps they can take to prevent unnecessary breakdowns and repairs.

K-Seal Offers Versatile Coolant Leak Repair

K-Seal coolant leak repair is suitable to use with all makes and models and all types of water cooled engines, said the company.

VIDEO: Why Are There Certain Coolants For Certain Vehicles?

Andrew Markel explains how coolant is not meant to be mixed or switched. There are certain coolants for certain vehicles that must be used for long engine and gasket life. Sponsored by Auto Value and Bumper to Bumper.

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Diesel Coolants: The Right Fluid For The Right Application

Which antifreeze should you use in your diesel engine? It seems just when you think that things are starting to settle down, some spec changes. Engine oil has been a hot topic over the past several months and has seen many changes over the past 10 years.

VIDEO: Coolant Temperature Sensor Diagnostics

If you have a vehicle in your shop with the fans running all the time, there may be a problem with the coolant temperature sensor. Andrew Markel explains. Sponsored by Bosch Automotive Service Solutions.

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VIDEO: Three Steps To Diagnose A Poor Heater Performance Complaint

A poor heater performance complaint from a car or truck owner can be caused by low coolant, a blocked heater core or an open thermostat. Andrew Markel discusses the diagnostic strategies for solving a cold driver complaint. Sponsored by Auto Value and Bumper to Bumper.

Engine Gasket Guide: Are You Pairing The Gasket With The Correct Sealant And Surface?

There are endless combinations of engines, applications and gaskets on the market. But how do you match the gasket with the correct installation procedures? Here is a quick guide on how to match gaskets with the correct sealants and surface treatments.

Volkswagen: Identifying And Mixing Factory Fill Engine Coolants

Coolants G11, G12, G12+ and G12++ have been replaced by an improved version. G13 coolant is introduced on all engines.

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Coolant Transfusion: Proper Selection Prevents System Degradation

Coolant is mostly a mixture of ethylene glycol and water, with a small percentage being solvents, additives and inhibitors – but it’s the mixing and matching of those last pieces that really determine what coolant should be used and when. There are three main coolant buckets, defined by their different additive philosophies.

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Water Pump Cavitation: What Cavitation In Pumps Means

The tiny “bubbles” of cavitation kill water pumps. While you will never actually see the tiny bubbles of cavitation in pumps, you can see the damage of water pump cavitation that looks like metal eaten by termites. That is because these are not really bubbles you see when it comes to the cavitation in pumps – they are voids.

10 Paths to Water Pump Problems

Know your leaks Leaks are the most common sign of water pump failure, but what type of seepage are you seeing and what does it mean? A coolant leak coming from the weep hole is a sign of water pump bearing or seal failure. This weep hole often resides between seals that separate the oil

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