What makes a high pitched squealing noise when engine is under load?

High pitched sqealing niose… This truck has been to the dealership they cant figure out whats causing this noise and its not the pulleys or belts or belt tensioner. When your driving and put the engine under a load it makes a squealing noise almost like a bearing going out.

What causes a high pitched intermittent squeal while…?

I can’t detect it under hard acceleration, but this may be due to engine noise. It happens during light acceleration, cruising and overrun coasting. But, it seems to stop during braking. Pads and rotors look OK. No obvious scoring or heat damage. Rear brakes had new rotors, pads and calipers about 5k ago. Fronts are older.

Why do my brake pads make a squealing sound?

When the pads have their upper surface scraped, the metal underneath is exposed, which causes the squealing when they come in contact with other surfaces. Stuck pins in brake caliper assembly can also cause a squealing sound. Get the brake system checked thoroughly for any such problems. Go for high quality brake pads which last longer.

Why does my car make a squealing noise when I change the tires?

However, the most common sources of squealing sound are the following ones. If you have ever changed tires and observed the brake rotor assembly, you will know that there is a rotor shield, which is designed to keep the internal assembly safe and clean.

Why does my Dodge Caravan make a whining noise when accelerating?

A whining sound when accelerating is almost always caused by a bad accessory attached to your Caravan’s engine. Here are the most common causes of whining noises when accelerating: 1. Bad Alternator When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. It should also be accompanied by the battery light.

What causes high pitched sqealing noise when engine is under load?

Some 2008 F-Super Duty vehicles equipped with a 6.4L engine and built before 6/18/2007 may exhibit a gurgling type noise coming from the heater core. It has also been described as a rattle or scraping noise. It has also been incorrectly identified as a torque converter concern. Follow the Service Procedure steps to correct the condition.

Why does my car make a squealing noise when I drive?

Worn Out Brake Pads The most common reason for squealing when driving is worn out brake pads. When the pads have their upper surface scraped, the metal underneath is exposed, which causes the squealing when they come in contact with other surfaces. Stuck pins in brake caliper assembly can also cause a squealing sound.

What causes a high pitched squeal when you change a belt?

A new belt is recommended once the accessory drive has been realigned. “Squeal” is a high pitched noise, typically lasting several seconds in duration. This type of noise will typically increase in volume as the engine speed increases, and is caused by relative slip between the belt and pulleys.

What kind of noise does a Ford Super Duty make?

If its still under warenttee perhaps you have to try another dealership or contact Ford North America customer Service. Some 2008 F-Super Duty vehicles equipped with a 6.4L engine and built before 6/18/2007 may exhibit a gurgling type noise coming from the heater core. It has also been described as a rattle or scraping noise.

What does belt Squeak sound like when making U-turn?

Belt squeaking is also especially pronounced when accelerating, on startup, and when making a U-turn. The noise is loud and sounds like a squeal, loud chirp, or squeak.

Is it safe to drive with a squealing engine?

Although it may be safe to drive with the squealing for a few days or weeks, the belt will eventually need to be replaced, and for safety, the earlier it’s repaired, the better. What Is the Cost to Replace a Serpentine Belt? A serpentine belt replacement is a relatively low-cost engine repair.

What makes a high pitched squealing noise when engine is under load?