Question about 2010 Mazda 2 1.25i

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Timing chain noise

The car has run 55 kKm when it become noisy and the noise came from the chain gear. I disassambled and discoverd nothing but tensiner's chanel blocked up by small peace of silicon. I cleaned it and I am know ready to assamble it again. The question if this could had been the only problem?

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  • Mazda Master
  • 3,679 Answers

Have you got chain at manufacture's specification for free play , piece of silicone is i presume a piece of rubber ,has this come away from any oil seals? gasket from rocker cover ? or anything that looks as if it has a piece missing,i'd check these before reassembly just for piece of mind

Posted on Mar 27, 2014

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Posted on Jan 02, 2017

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CaptainKeyz
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SOURCE: mechanic replaced timing chain but rattling noise

Replacing the timing chain is done around 100,000 miles, but can last as long as 200,000.
Sounds like something may be on its way out, and a rattle does indicate a chain. Not all oil pumps use chains...many use gears to spin the oil.
Most people know when it needs replacement when they are calling for a tow truck.
It could be your water pump as well. It is hard to tell where the sound comes from sometimes. A stethescope may help pin-point the sound to the part.
Good Luck!

Posted on Jan 25, 2010

emissionwiz
  • 76846 Answers

SOURCE: WE HAD TO REPLACE THT TIMING CHAIN IDLER GEAR AND NEED TO CHECK THE TIMING ON 1989 MAZDA B2200

The keyway and or the dot on the crank should be line at 12 oclock. You will see a point on the oil pump housing to go by. On the camshaft the pointer will be at 12 oclock also. Use the O on the camshaft to the top at mark. Be sure to look at the dist. roter to make sure that it is pointing at the #1 spark plug wire. I could get 180 out of time. If you do it right it should start up right away. then you can use a timing light to finish it.

Posted on Jan 23, 2012

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1 Answer

My car has a timing chain, when I start my car in the morning its very noisy then it quite down a bit,


noisy on start up is hydraulic lifter problem as they are loose until the oil pressure builds up. the adjustment is taken up and the noise goes
it mat have some noise from the chain until the oil pressure builds up as it has a hydraulic chain tensioner
you list it as a 2016 model and the only suggestion I could make is to go up a grade in oil viscosity
AS it is new the oil is probably 15w where I would use a 20 w 40 oil
run your engine against other new engines and see if the engine noise is louder ( use a noise meter ) and make the dealer do something as nothing gets quieter as it wears out --just louder

May 15, 2016 | 2016 Hyundai Elantra GT

Tip

To install a timing chain on a 1990 Buick Skylark


My Skylark used to make a diesel sounding noise while idling and it turned out to be a worn timing chain which I replaced myself. Some models have a timing gear instead of a timing chain and these can be very noisy as well (2.5 Iron Duke). By 80-90,000 miles you should replace the chain and or the gear set. Before you install your new chain make sure that tensioner is in the box and is compressed with a small metal clip. You will not be able to install the chain unless the tensioner is compressed. There simply won't be enough slack in the chain to reach the cam and crank shafts. While you are replacing the chain be sure to spend a couple of extra bucks and install a new timing cover seal. This seal keeps oil from leaking out of the oil pan behind the harmonic balancer. It is definitely worth the effort to put it in while it is apart.

on Dec 02, 2009 | Buick Skylark Cars & Trucks

1 Answer

What mileage can you expect from timing chain


Check the manual for timing belts, they very from 60,000 to 100,000 Km. Timing chains run in oil and unless they become noisy will quite often last the life of the motor.

May 20, 2015 | Cars & Trucks

1 Answer

1999 ford explorer 4liter sohc timing chain noise after warm up


timing chain noise? is the timing chain hitting the cover? or is the chain worn out and not meshing with gears?

Feb 12, 2015 | 1999 Ford Explorer

1 Answer

Loud chatter on start and rattle from timing chain area


The timing chain area also takes in the alternator and water pump. To isolate the source of the noise, use the old mechanics trick.

Place a 3 foot 1/4 inch brass rod against the flap at the opening of your ear and push until it closes. Place the other end of the rod against various engine components and listen. The noisy problem will conduct the noise up the rod to your ear and you can hear quite precisely where the problem is. Much safer than laying your ear all over a running engine.

You can also loosen the fan belt and run the engine without alternator or water pump (briefly) to see how that affects the problem. Chatter on start makes me think of starter and Bendix gear problems. Sounds like a 2 person diagnostic team to me; one to start the car and one to listen and probe.

Don't know if Subaru Forrester has an engine that has valve interference at piston Top Dead Center. If it is and the timing chain breaks, you are looking at major $$ to recover.

Nov 06, 2012 | 2004 Subaru Forester

1 Answer

My engine got so noisy and when i removed the engine cover the timing chain looked a bit loose


The timing belt shouldn't cause the engine to be noisy unless it is so loose as to slap parts surrounding it. The engine will become noisy if a loose timing belt skips a tooth or 2 and messes up the timing of the engine.

On another hand, if it is visually loose at the timing gears it is imperative to get the system looked at by a mechanic. The belt may be ok but the tensioner may need to be replaced but if you replace the tensioner, you may as well replace the belt. Timing belt should have some play at the point between the crank pulley and the cam gears.

Take it to a certified mechanic to have it looked at and measure the play on the timing belt to check if it is still in specifications.

Timing belts are only good for about 60,000 miles. If you are over that I would recommend replacing the belt and tensioner but may vary from car to car. Check a repair manual for specifics to your vehicle.

Oct 18, 2009 | 1996 Nissan Sentra

1 Answer

TIMMING CHAIN NOISY


It is not in time,It is close enough to make it run.You should recheck the timing marks and adjust it.

Sep 20, 2008 | 2000 Suzuki Esteem

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