Fan Belt Knocking Noise

Knocking noise fan belt view all 474 people viewed this question.

Fan speed controller bq. Usually answered in minutes. Check all of the pulleys and make sure that they spin easy and not hard. If the noise is still present after the belt is removed it might be an issue with the motor mounts or the timing chainbelt.

Why is it making noise. Here are five techniques you can use to solve belt noise problems. Here are five of the most common reasons your serpentine belt is making noise when cold or accelerating.

Mercedessource tech help they can be a little tricky to isolate engine driven fan belts v belts can make all kinds of weird noises. The fan belt will likely be located at the front of the engine attached to a pulley that rotates the cooling fan or fans for the radiator. 1 bad or worn tensioner.

I gained access by. 1 answer isuzu 320 kb v6 camshaft timing diagram posted to wrong forum. I found that a common problem was a bad timing belt hydraulic tensioner.

To see if the idler pulley is making the noise or the crankshaft pulley is making the noise simply remove the serpentine belt from the engine and start the engine. It will often be black or grey. I was able to remove and re instal it without removing the usual components and covers.

The serpentine belt is given the proper amount of tension by a device called a drive belt tensioner. If you have a hard to isolate accessory drive belt noise try removing the belt and running the engine. Try to tighten the serpentine belt to see if it makes a difference.

You may be able to locate it faster by starting at the radiator fan and working backward. The tensioner is basically a pulley connected to an adjustable pivot. Before you panic thinking something terrible might be wrong try this simple test.

They can squeal rumble tick clack and snap. The sound of a squeaky belt in your vehicles engine is usually because the rubber belt is slipping on the metal pulley. If your fan belt breaks or falls off these components will eventually fail potentially leading to much bigger issues.

A crunching noise when changing gears is common engine noise especially in old cars. The noise can sometimes sound like a bad bearing in one of your engine driven accessories or something coming loose in your engine. You can also spray any kind of liquid if the squeaking is constant to see if the noise disappears.

Grinding noise as you shift gears.