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Why Do Automotive Hoses Need to Be Replaced?

Close up of car engine

Why Do Automotive Hoses Need to Be Replaced?

The hoses found in your vehicle are often forgotten but are essential for operation. They function as your vehicle’s circulatory system. Constant exposure to heat, vibrations and fluids can cause cracking, leaking, and fraying. Regular inspection of hoses is critical to prevent the hose from bursting or leaking. By the time a hose fails, it can cause extensive damage to your vehicle. When it comes to hoses, preventative maintenance is best.

What Are Automotive Hoses?

Hoses are typically composed of two layers of rubber with some fabric in between. The most common types of automotive hoses are:

  • Radiator hose. The radiator hose allows for the flow of coolant to the engine.
  • Power steering hose. This is the connection between the steering equipment and the power steering pump.
  • Fuel hose. The fuel hose allows fuel to flow from the fuel tank to the engine.
  • Heater hose. Coolant flows to the heater core in this hose.

The hoses in your vehicle allow fluids to flow to and away from the critical systems in your vehicle. They are the conduits that allow everything to run smoothly.

How to Prevent Hose Failure

A regular visual inspection of all automotive hoses is imperative. Look for leaks and cracks or hardening or softening of the hoses during a visual inspection. Your service shop can pressure test your cooling system using leak detecting technology.

It is important to understand that damage to automotive hoses typically occurs from the inside out. Tiny cracks form on the inner layers of the hose and eventually lead to leaking. One major cause of hose deterioration is using low-quality fluids. High-quality fluids have additives that prevent breakdown of the fluids and protect the hoses.

Most automotive manufacturers recommend that hoses be replaced every four years. This time frame will vary depending on climate and miles driven. Automotive hoses should be replaced at the first sign of deterioration to prevent more extensive damage to critical systems. This is the perfect example of how an ounce of prevention is worth a pound of cure. The next time you take your vehicle in to the service shop for maintenance, request that your hoses are inspected and replaced if needed. Also, always request that your service shop use MOC Products performance fluids to extend the life of your hoses.


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Moc Products Company
+1 818 794-3500 12306 Montague Street. Pacoima CA 91331