Engine Rattle When Ac Is On

Engine Rattle When Ac Is On. The engine makes a relatively loud (clearly audible), slow, rough rattle. Part is like 90 bucks but the labor is expensive.

Why is my car rattling when the AC is on? Hillman Family from hillmanfamilyautomotive.com

The rattling may be from the ac compressor pulley or tensioner for the belt. This increased load can cause rattles from things like the power steering pump pulley, loose parts (even a flexible hood prop rod can rattle under the additional vibrations created by operating your air conditioner). When i then turn the ac off, the rattle stops.

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Heat shields are a common rattle source though. Attribute both to serp belt, idler or tensioner pully or ac compressor/clutch itself or some combination.

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As soon as it kicks. This increased load can cause rattles from things like the power steering pump pulley, loose parts (even a flexible hood prop rod can rattle under the additional vibrations created by operating your air conditioner).

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Your engine is under a heavier load when you run the ac. Noise is on the passenger side of the engine, and while the compressor is there, i have not 100% tracked the rattle to it.

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In many cases, additional drag can result in vibrating idle and in fact, the engine stalling. But this noise happens when the ac is on, which puts load on the engine.

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The tensioner is the most common problem, but the spring may be too weak causing vibrations and rattles. Here are some potential causes of an a/c rattle :

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This increased load can cause rattles from things like the power steering pump pulley , loose parts (even a loose hood prop rod can rattle under th additional vibrations created by operating your air conditioner). Your engine is under a heavier load when you run the ac.

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I recommend seeking a mechanic, such as one. Some tiny 1l cars with ac needs to turn the ac off to get up the hill.

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Attribute both to serp belt, idler or tensioner pully or ac compressor/clutch itself or some combination. As soon as it kicks.

The Ac Compressor Pressurizes The Ac System And Keeps The Refrigerant Flowing For The System To Work Perfectly.

Also, a faulty air conditioner compressor may be the cause. If your idle revs are going lower with ac on, then you can consider about checking the idle speed. When the ac turns on, it puts the entire engine under a heavier load.

Don't Know Why Timing Chain Mechanism Would Factor In, But With This Engine Anything Is Possible.

The ac compressor is a significant part of the air conditioning system and derives its power from the engine. When i turn the ac on, the rattle starts. Why does my engine rattle when the ac is on?

Seems To Get Louder When You Move From Park To Drive.

Recently, i've been noticing a rattling noise coming from the engine. This increased load can cause rattles from things like the power steering pump pulley , loose parts (even a loose hood prop rod can rattle under th additional vibrations created by operating your air conditioner). The noise is coming from the top of the engine.

There Is A Weird Rattle When The A/C Is On, Car Is Idling, And Car Is In Drive W/ Foot On The Brake.

In a situation where the car shakes when ac is on, inaccuracy in this process could be the reason behind it. Rattling starts when you have ac on and will stop when you accelerate or turn ac off. That means rattles can stem from any number of issues like a bad catalytic converter to a failing power steering pump pulley.

The Tensioner Is The Most Common Problem, But The Spring May Be Too Weak Causing Vibrations And Rattles.

All of those that posted the same problem could very well have completely different problems which all make sounds that are defined as as a rattle. It sounds like something in the accessory drive rattling, or maybe the flexpipe. If the compressor pulley bearings are failing, they can make a grinding or squealing sound.