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Five Sounds From Your engine, What are they?

3/16/2020

 

Sounds A Car Can Make

Sounds A Car Can Make
​Below are the five main sounds that you will hear coming from internal combustion engines and the reasons why they occurred.

1) Knocking Noises

You will hear knocking noises whenever you accelerate your vehicle or change gears. The knocking will come from the inside of the engine. The sound signifies a problem with the timing of the air and fuel mixture’s ignition within the cylinders of the engine. If the ignition happens too early, then you will hear these knocking sounds. The timing of the ignition is important because it determines whether the proper amount of power is going to be produced. 

A simple engine tune-up for your vehicle might fix the problem. If the sounds still remain, then your engine could have a worn-out component that needs to be replaced or repaired or worse you may need your engine replacement! Anytime you need to have work done on the engine, it is going to cost a lot of money to hire a mechanic for such a task. Before you do this, see if your car has something called a knock sensor that manages these sounds. If it does, then replacing the knock sensor might be all you need to do to eliminate the sounds. 

Also, check the level of the engine oil and verify that it is correct. 

2) Cold Start Rattling Noises

It is natural for some of the newer car engines to rattle a bit during a cold start. The rattle comes from the timing chain that is used with the engine. As the years go by, the engine will start to rattle as it gets older. If you hear these rattling noises, then it likely means your timing chain is wearing out. If you already know that your engine has a timing chain, then you should get it inspected by a mechanic. They have the proper diagnostic equipment to check on it properly. Otherwise, the worn-out timing chain could end up damaging your engine. 

3) Tapping / Clicking Noises

When your engine runs, do you hear constant tapping or clicking noises? If so, this could be the upper valve train that manages the opening and closing of the exhaust valves and air intake valves. You can find out whether the upper valve train is responsible for the noises by removing the engine head and evaluating it. You’ll see the camshaft moving the tappets and the springs returning them into their original positions. If there is reduced oil pressure in the engine or worn-out springs, then these tapping and clicking noises may be heard. Also, check the oil dipstick to check how much oil is in the engine.  Maintenance tip: Get regular oil changes!

4) Shrieking / Squealing Noises

Most people hear squealing and shrieking noises coming from their engine after a while. The belts are actually the parts which generate these noises. The belts connected to the engine are also used to run the AC compressor, power steering pulley and timing. The newer belts are made from rubber instead of chains. A cold started engine will cause the noises to grow louder. As you start driving and accelerating your vehicle, the noises will gradually go away. The belts may slip away from the pulley, which would cause you to hear this noise. Worn out or loose belts often due slip away from their pulleys like this. That is why you need to replace your belts if they appear to be worn out. Either that or tighten the serpentine belt and test to see if you continue to hear the noises. 

5) Grinding Sounds

If you shift gears in a manual transmission vehicle and hear grinding sounds, then it is a transmission issue. The gears in the transmission are probably grinding aggressively against one another. A lot of the older manual vehicles have this problem. Don’t assume the transmission is bad, though, because the transmission may not be able to be disengaged from the engine by the clutch. Either that or the clutch is not being depressed the right away prior to shifting. Get transmission service!

When someone learns how to operate a stick shift for the first time, it is common for them to encounter this problem. In some cases, the clutch mechanism may be too old and worn out rather than the driver’s actions being the cause of the sounds. If you have a worn-out clutch system, then it should be replaced. 

A Little Car Care Goes a Long Way - Video

2/23/2020

 
​WATCH - A new video from the Car Care Council, entitled “Auto Care Goes a Long Way,” shows how vehicle owners can save money with some simple preventative maintenance.

A Little Car Care Goes a Long Way


That Annoying Check Engine Light is on again!

1/23/2020

 

​Don’t Ignore That Check Engine Light

Check Engine Lights
A lot of people do ignore the little check engine light right under their noses.  That is a BAD IDEA!  If you like spending money on car repairs, then keep driving with that annoying light glowing right in front of you.  But its best to get it checked!  It could be just that you didn’t tighten the gas cap but it could also be something more serious.
​
When the check engine light does go on you may not notice any trouble as you drive over time. But if you choose to ignore it you may begin to notice the car not performing up to its potential or you may experience poor gas mileage.  Not to mention the more you drive your car with a problem usually ends up costing more money in the end!   So get that check engine light diagnosed!

Cooling System Flush

6/27/2018

 

​WHY DO I NEED THE COOLING SYSTEM FLUSHED?

Posted by: Teele Square Auto in Somerville, MA. June  27, 2018
​WHY DO I NEED THE COOLING SYSTEM FLUSHED?
Why do I need the cooling system flushed?
Cooling system flush is part of ongoing preventative maintenance for any vehicle. The cooling system in your car prevents your car from overheating.  Your system circulates mixture of coolant and water throughout your engine.  Unfortunately, the coolant mix becomes contaminated over time with rust and scale, which could cause clogs and damage to the coolant system parts and prevent proper cooling off your engine causing it to overheat.


How your cooling system is flushed:
Our mechanics drain the old coolant mix, flush the system with a coolant cleaner, then we flush the remaining coolant with water.  After the system is flushed and cleaned we fill it back up with the proper mixture of coolant and water then bring the engine up to its running temperature and test the system for leaks and that all other coolant components are working properly.

Recommended Coolant Flush Services:

Your service manual should have recommendations of when to get It’s a good idea to change the coolant.  For quick reverence though, every 40,000 to 50,000 miles or whenever the low coolant level light is on or the check engine light is on is a good idea to check or replace the coolant on your car.  Additionally, if your car is overheating it may be time for the coolant to be replaced.

Visit Teele Square Auto for your Cooling System Flush:
Teele Sq Auto
1284 Broadway
Somerville, MA
(617) 623-9067

​Synthetic oil – Is it right for my car?

10/25/2016

 
Synthetic Oil Change
Even though synthetic oil is more expensive it has its advantages.  Synthetic oil takes longer to breakdown so lasts longer than conventional motor oil.  Eli of Teele Square Auto in Somerville, MA says “customers that once changed their oil every 3,500 miles now go 7,000 miles between oil changes using synthetic oil"

Some car-makers require owners to use synthetic oil so be sure to check your owner’s manual.  Harry Janice of West Lynn Auto in Lynn, MA warns owners to be sure to comply with your warranty to avoid from voiding it if you don’t comply.

For older cars, synthetic motor oil has a resistance to breaking down which will help prolong the life of an older engine.  Additionally, older engines using conventional oil can began to get sludge buildup from conventional oil breaking down. Using synthetic oil for on older engines would be less likely to breaking down.  In a nut shell using synthetic oil is will prolong the life of your engine and require less oil changes says, Steve of Waverly Square Auto in Belmont MA.

Fall car care tips

10/21/2015

 
Here are some good fall car care tips for the fall from Teele Sq Auto in Somerville, MA.

  • Battery:  Check your car’s battery before cold winter days approach
  • Tire Tread and Tire Pressure: Check your tire tread and consider winter tires. Pay attention to your tire pressure as the weather begins to get cooler your tires lose 1-2 pounds for every 10 degrees the temperature drops.  For accurate tire pressure readings always check your tire pressure when the tires are cold.
  • Brake:  Have your brakes checked!  Worn brake pads decreases stopping power and can damage brake rotors.  This preventative maintenance can prevent accidents and save you money.
READ MORE>>>

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