Question about Hyundai Sonata
Tonight out car was clicking we got oil changed and yet it continued to click. Then it got worse even when we did not hit accelerator. Finally it got really loud and the entire car just shut off. It will no longer start at all. Any ideas what it could be?
Your model Hyundai has an issue with premature wear and failure of the timing chain tensioner. If your vehicle is still in warranty, your dealer should replace it and fix it and any collateral damage caused. What you describe is a classic case of noise from the tensioner as it begins it descent into total failure. Unfortunately, you failed to have the problem fixed before it maxed out. What probably has happened is the tensioner has broken, causing the timing chain to slip. This will result in the vehicle failing to run and causing catastrophic internal engine damage. You can thank your closed-mouthed Hyundai dealer for not making you aware of a problem that they are fully aware of, but don't care about since the majority of cases fall outside the warranty period.
Posted on Nov 24, 2013
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Posted on Jan 02, 2017
hi is it miss-firing as it sounds like a knocking noise can be anything but if you can feel it on the accelerater pedal then the noise sounds like its on the inlet valve side which would transfere the noise up the throttle body where the accelerater is located it could be something as simple as a tappet come loose to a burned valve you need to have a look do a compression test and take the rocker cover off see if theres anything come loose yates210456
Posted on Oct 13, 2008
You need to do a compression test on the engine cylinders. It appears one of the cylinders is not firing and dragging the rest of the engine down in power. The compression test will show if one of the cylinders has a problem.
Posted on Feb 07, 2009
SOURCE: Clicking noise when accelerating
It's hard to diagnose with just the small information you have stated, but it 'sounds' like it's that Exhaust Gas Recirculation Valve gasket.
In your cylinder head is a runner that brings exhaust gas up through the intake manifold.
The EGR valve is attached to the intake manifold, and the sensory part of the EGR valve sits down in the pathway of the runner.
A bad EGR valve gasket will let exhaust gasses escape, making the sound you described.
Posted on Apr 20, 2009
sounds like your CV joints are worn out. If the clicking noise gets worse when turning then its a definite possibility. Also check the CV joint boots for splits as this can quickly wear them out. The dust mixes with the grease to form a grinding paste.
Posted on Jun 10, 2009
SOURCE: 2007 Ford expedition won't start
ur oil pump may be failin-there r sensors everywhere on new cars-keepin u from starting as safety measure-computer systems r complex n things dont always show on 1 scan-they kinda hav the mindset of a pc
Posted on Sep 15, 2009
Testimonial: "Thank you. I have spoken with 2 other mechanics who said the same thing regarding the oil pump. It's being looked at. So I'll post more once I know"
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