QA

Question: Timing Belt Noise When Starting Car

Over time, wear and tear can take a toll on the belt and the pulleys, which often results in that high-pitched chirping sounds when you start the car and accelerate. A worn belt can, therefore, begin to slip, which is one of the causes the squeal. Alternatively, cracks can cause the belt to snap.

What sound does a bad timing belt make?

Generally, a timing belt that goes bad makes a noticeable ticking or clicking timing belt sound that is unusual. When the timing belt starts falling the ticking or clicking sound becomes pretty audible.

Why is my car squealing when I start it?

What Makes Your Vehicle Squeal when Starting. Most of the time, the squealing is do to something called a serpentine belt. When you open your hood, it’s the incredibly long belt that winds around multiple pulleys. It connects the crankshaft to other systems like the alternator, power steering, AC, and water pump.

What are the signs of a timing belt going bad?

Symptoms of a Bad or Failing Timing Belt You Hear A Ticking Noise Coming From The Engine. Your Car’s Engine Won’t Turn Over. You Notice An Oil Leak Near The Motor. You Experience Exhaust Issues. Your Revs Start Acting Up.

What does bad engine timing sound like?

There is a rattling sound. A lax timing chain, or worse, a broken timing chain with loose parts within the engine, will produce a rattling sound when your car is idling. This rattling sound is typically most prominent while the engine heats up and disappears after some time.

How much does it cost to fix a timing belt?

The average cost to replace a timing belt will be anywhere from $300 to $500 in total (more for larger cars, trucks, and SUVs). The timing belt itself will usually only cost less than $50 but the majority of a timing belt job is spent on labor. The cost of the labor will be anywhere from $250 to $450 or more.

Why is my car making a high-pitched squealing noise?

Belt noise If you hear a high-pitched squeal from a car when moving, it is most probably caused by a loose belt in the engine bay. There is a belt in the engine that drives the pulleys that power the auxiliary systems like the power steering, and air-conditioning. For a permanent solution, you need to tighten the belt.

Can a belt tensioner making noise?

1. Grinding or squeaking noise from the belts or tensioner. The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley.

What does a squeaky timing belt mean?

Failing Water Pump Pulley: The most common cause of squealing or squeaking from the timing belt cover is the water pump pulley. If the bearings in the pulley are beginning to fail, they will make noise. Eventually, they’ll seize and the water pump will no longer operate, causing your engine to overheat.

Can I drive with bad timing belt?

You can’t exactly ignore this problem if your car won’t start then you can’t drive it. However, if the timing belt breaks while you are driving you will definitely notice and there will almost certainly be additional damage to your engine.

How long can you drive on a timing belt?

Your owner’s manual is a good resource and will recommend the mileage interval recommended for your specific vehicle make and model.” The recommended replacement according to mileage ranges from 60,000 miles to 150,000 miles. If your vehicle is 6 to 10 years old, it is recommended to replace the timing belt.

Will car start if timing is off?

Engine Won’t Start: If the engine timing belt has broken, it won’t be able to start. You may hear it “engage” as it is trying to start as you turn the key, but because the engine timing belt is what operates the camshaft and crank that turns the engine, it isn’t able to start.

Will a car start with a bad timing chain?

Engine won’t start or fails A broken timing chain will cause an engine to not start or fail while driving. If the belt is already broken, the engine won’t have enough compression to start. If it breaks or jumps while driving, the pistons will be damaged from contact with the valves.

How much does it cost to have a timing chain replaced?

For most cars, a timing chain replacement costs between $413 and $1040, or you can order the parts themselves for $88 and $245. It is a tricky repair though, so unless you’re particularly skilled it’s usually best left to a mechanic.

Is it worth fixing a timing belt?

Although timing belts are critical, there’s no need to replace them regularly –unless explicitly recommended in your owner’s manual. Some automakers recommend changing a timing belt between 60,000 and 100,000, others don’t. Many of today’s timing belts can go 100,000 miles or more without needing to be replaced.

Can I replace timing belt myself?

But if you are and you enjoy doing your own repairs or restorations then it’s something you can do yourself, and save on some big repair bills in the process. We’ll walk you through the process of replacing a timing belt and water pump step by step, starting with the tools you’ll need.

What does a faulty fan belt sound like?

The serpentine belt (also known as a fan belt, alternator belt, or drive belt) is a critical car component. Hearing a sharp squeaking noise or a loud grinding noise are tell-tale signs of wear. It’s your car telling you something’s not right, and it may be your car’s broken or old belt.

What does a slipping serpentine belt sound like?

The symptoms of a loose serpentine belt include a loud squealing noise when the engine is started or when the steering is turned all the way to one side. A serpentine belt that keeps slipping off the pulley is another symptom of a bad tensioner.