If you hear a pinging or rattling sound when accelerating, low-octane fuel could be the cause. Pinging (also called pre-ignition or detonation) can also be the result of carbon deposits, a bad knock sensor, overheating or incorrect ignition timing.9 jan. 2018
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Why does my Nissan Altima rattle when I accelerate?
This rattling noise should not be taken lightly as it warns of upcoming timing chain failure. The cause of the noise is faulty timing chain guide rails and timing chain tensioners that wear out well ahead of schedule. These components are there to keep the timing chain tight and properly positioned.
How do I fix a rattling noise when I accelerate?
Rattling noises when accelerating can be caused by low fluid levels in the A/T. Open the hood and check the fluid level. If the car is running low on transmission fluid, refill the reservoir to the proper level. After doing this, start the car and take a short test drive to see if the problem goes away.20 juil. 2021
Why is my Nissan making a rattling noise?
While there are a variety of reasons your Nissan Altima is rattling, the most common 3 are the ball joints, struts or strut mount, or a problem with the sway bar links.
Why does my car make a rattling noise when I press on the gas?
Most people call this a pinging or rattling sound. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke. … And that’s also why you hear the pinging and rattling noises.12 mai 2015
When I step on the gas my car makes a noise?
Usually this type of noise in an indication of a exhaust leak or a vacuum leak due to a broken or disconnected vacuum line. If you also notice that your car is slow to accelerate or is running rough, then it is likely that one of these items is the root cause.10 sept. 2017
What does timing chain rattle sound like?
Listen for a metallic sound that resembles a rattling or scrapping noise. The sound can be intermittent or constant, but it will be a metal to metal contact. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates. You might also hear a metallic slapping noise.
How much does it cost to replace timing chain on Nissan Altima?
The average cost for a Nissan Altima timing chain tensioner replacement is between $799 and $984. Labor costs are estimated between $705 and $890 while parts are priced at $94.
What does a broken heat shield sound like?
Rattling noises from the engine bay Another, more audible, symptom of a bad or failing heat shield is rattling noises from the engine bay. If the heat shield becomes loose, damaged or broken, perhaps due to loose hardware or damage from rust, it will cause the heat shield to vibrate and produce a rattling sound.8 jan. 2016
What is the most likely cause of a rattling sound coming from the underside of a vehicle?
If the rattling sound sounds like it is coming from underneath your vehicle, you likely are experiencing a problem with your exhaust system. Exhaust system problems include catalytic converter problems, muffler issues or corroded pipe, can sound like light rattling to rocks shaking beneath your car.6 nov. 2019
What does it sound like when timing belt is bad?
A failing bad timing belt sounds like a ticking noise in front of your car when it starts wearing out. If the belt eventually breaks, it will give a whining noise when trying to start the engine. A whining noise sounds like no compression in the engine.
What sound does a car make when the timing belt is going bad?
ticking
What are the signs of a bad timing chain?
1. Engine misfires or runs poorly.
2. Metal shavings found in the oil.
3. Engine won’t start or fails.
4. Check Engine Light is on.
5. Engine rattles while idling.
What is high mileage for a Nissan Altima?
200,000 miles
Is it worth replacing a timing chain?
A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle. … A timing chain doesn’t need to be replaced unless there is a problem with it.1 mar. 2020