Performance Lubricants for Noise and Vibration Reduction

Lubricants That Solve Auto Noise and Vibration Problems

Modern cars are designed to provide a quieter and smoother driving experience compared to older models. As a result, minor noises and rattles that might have gone unnoticed in the past are now more noticeable.

Various sources, both internal and external, can contribute to noise, vibration, and harshness (NVH), as well as buzz, squeak, and rattle (BSR). These sources may include friction between rubber and paint, metal and plastic, different leather surfaces, or even the engine itself.

Krytox™ performance lubricants are ideal for addressing NVH and BSR because they are:

• Easily applied via spraying or brushing
• Impervious to the toughest conditions of rain, snow, ice, salt, dust, and dirt
• Resistant to fuel, coolant, brake fluid, and washer solvent
• Resistant to evaporation or changes in characteristics over an automobile's lifetime
• Compatible with all other materials and surfaces they may contact

Meeting Driver and Passenger Expectations

In response to customer demands, automakers have dedicated years to minimizing NVH and BSR through passive design techniques and advanced technological features.

The performance regarding noise and vibration is crucial for prospective car buyers, particularly with the rise of electric vehicles (EVs), as it significantly impacts their perception of a vehicle's quality and value. Beyond mere annoyance, car buyers prioritize quiet and smooth rides for various important reasons.

These include:

• Low- and mid-frequency noise levels can dramatically contribute to driver fatigue
• Higher frequency noise levels can inhibit the ability to hear conversations in the vehicle
• Noise can cause headaches, stress, and irritation
• Vibrations can cause irritation and discomfort

Where to Use Krytox™ Automotive Lubricants?

The many automotive applications of Krytox™ PFPE lubricants generally fall two categories:

Under the Hood

Under the hood temperatures are gradually rising as aerodynamics dictate tighter packaging and large engines are being replaced by smaller turbocharged and supercharged engines for improved fuel efficiency. With ambient under the hood temperatures exceeding 120 °C (248 °F), there is a growing list of automotive applications requiring PFPE lubricants, including:

• Overrunning decouplers for alternator drive pulleys
• Front end accessory drive (FEAD) tensioners and idlers
• Throttle body bearings
• Exhaust gas recirculation (EGR) valves
• Intake manifold seals and actuators
• Fan clutch bearings
• Fuel system emission control valves
• Electric cooling system pumps and valves
• Ignition system boots

Vehicle Interior and Exterior Noise, Vibration and Harshness (NVH)

Krytox™ lubricants offer a reliable, long-term solution for reducing buzz, squeak, and rattle (BSR) noises inside and outside the vehicle cabin. These PFPE oils and greases are trusted to minimize noise resulting surface friction and mechanical vibration without any material compatibility issues or the presence of hazardous volatile organic compounds (VOCs). Some of their applications include:

• Weather strips and elastomer seals
• Interior plastic, metal, and leather surfaces
• Console hinges and latches
• Door and trunk latch systems
• Brake pedal assemblies
• Seat mechanisms (rails, headrest posts, and latches)
• Electric switches
• Air-bag springs
• Exterior mirrors
• Suspension bushings