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Loud squealing or squeaking is coming from timing belt Inspection Service

In order for your engine to operate, it requires several belts. The most important of these is your timing belt – it’s responsible for synchronizing the crank and camshaft rotation to ensure that valves open and close correctly. Like all belts on your car, the timing belt is subject to wear and tear, and all automakers have a rigid replacement recommendation (generally somewhere between 50,000 and 80,000 miles, but it does vary considerably from one company to another, and even model to model).

How this system works:

The timing belt is a toothed belt that keeps your engine synchronized (in time). It ensures that the camshaft and crankshaft are in synch during operation, and that the valves open and close at the right times in relation to piston movement. As such, it is perhaps the single most important maintenance item on your car and should be replaced at the manufacturer’s recommended service interval.

To sum this up in a nutshell, the piston and valves in your engine essentially take up the same space. Obviously, they can’t do this at the same time, or they’d crash into each other and cause serious damage. The timing belt ensures that their movement is timed correctly. When the belt breaks, timing is thrown off. The most common outcome here is bent valves (due to impact with the piston), but it can also cause damage to the cylinder head, or even to the camshaft itself.

Note that some automakers have switched to using timing chains rather than timing belts. Metal chains offer much better lifespans, and should last for the life of the engine in most cases. It should also be noted that timing belts do not squeak. The belt is toothed, so it doesn’t slip like a serpentine or V-belt. Any squeaking noise from around the timing belt cover must come from something else.

Common reasons for this to happen:

  • 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.

  • Serpentine or V-Belt Slipping: Another common cause here is noise transference from a slipping serpentine or V-belt. In these instances, the sound is actually coming from the belt slipping on a pulley and it just SOUNDS like it’s coming from behind the timing belt cover.

  • Belt Too Tight: Again, the sound cannot be coming from your timing belt, but if you’ve recently had your serpentine belt or V-belt replaced, it could be adjusted too tight, which will cause squeaking or squealing.

  • Pulley Misalignment: A squealing or squeaking noise can seem to come from behind the timing belt cover if one of your other pulleys is misaligned (generally after incorrect replacement of the belt on an adjustable pulley).

What to expect:

A top-rated mobile mechanic will come to your home or office to inspect the entire engine and listen to the squealing or squeaking noise. Depending on when the noise occurs, this may require a test drive. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How it's done:

The mechanic will need to inspect the engine while it’s operating in order to determine the source of the noise and whether it is coming from a belt or a pulley. The mechanic will also visually inspect the belt and all pulleys to determine wear and condition, and then make a recommendation on the next step for repair.

How important is this service?

If you’re hearing a squealing or squeaking sound from behind the timing belt cover, chances are good that it’s the water pump pulley. If this pulley fails, your engine will overheat, causing potentially devastating damage (up to and including a cracked block). The best defense here is to ensure that the water pump is changed when the timing belt is changed, and to always follow the automaker’s service recommendations. One of our professional mechanics can listen to and inspect your engine, diagnose the problem and then repair it.

Fast and easy Loud squealing or squeaking is coming from timing belt Inspection service at your home or office.

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Recent Loud squealing or squeaking is coming from timing belt Inspection reviews

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YourMechanic Loud squealing or squeaking is coming from timing belt Inspection Service

Average Rating

4.4/5

Number of Reviews

35

Rating Summary
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Dan

35 years of experience
475 reviews
Dan
35 years of experience
Dan was very professional and showed up on time, and diagnosed the problem right away. After the problem was diagnosed, Dan promptly fixed the problem, and I test drove my car and noted that my car no longer squeaks and drives wonderfully. I would highly recommend Dan for services, and if I need to use Your Mechanic again, I would request Dan again. Thanks.
2000 HONDA CR-V - LOUD SQUEALING OR SQUEAKING IS COMING FROM TIMING BELT - LAWRENCEVILLE, GEORGIA

Ira

32 years of experience
133 reviews
Ira
32 years of experience
IRA was early for the appointment, which I was able to schedule on Friday afternoon for a 9 am Saturday appointment. He diagnosed the problem and was knowledgeable, friendly, and professional.
2010 HYUNDAI ACCENT - LOUD SQUEALING OR SQUEAKING IS COMING FROM TIMING BELT - TAMPA, FLORIDA

Jamahl

16 years of experience
555 reviews
Jamahl
16 years of experience
When I pulled in the driveway last night my car barely made it. The battery was completely dead from what I'd come to believe was an alternator that needed replacing. I was a nervous wreck. YourMechanic was recommended to me by a childhood friend from New England. Jamahl came and quickly saw that it was only a broken belt, and assessed my car for several other issues. On top of everything I had a nail in a tire and when his compressor didn't cooperate he took the time, even though it was late because my car gave him a hard time replacing the belt (which he never complained about. I should add he was working on my car after a strong thunderstorm in 90°+ Florida heat), to take the damaged tire off my car put the spare on, follow me to the gas station to put air in it, and then go with me to the auto parts store to get a replacement cap for my radiator because the one I had was faulty! Talk about going above and beyond to ensure the safety of a customer! Jamahl absolutely saved this damsel in distress all the while educating me on my vehicle and what my maintenance schedule should be. He's the first mechanic that's earned my trust and I will definitely be requesting him again and I'll continue to use YourMechanic my future needs. Thank you so much again!!!
2000 MAZDA 626 - LOUD SQUEALING OR SQUEAKING IS COMING FROM TIMING BELT - DELTONA, FLORIDA

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