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Rattling noise in lower Ginetta Ford V6 3700 engine block

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Check the condition of the harmonic balancer on the crank shaft. check the crank pulley nut is tight and the pulley is not moving on the crank shaft. Check for worn timing chains or out of adjustment chain tensioners.

Posted on Apr 20, 2014

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Posted on Jan 02, 2017

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SOURCE: rattling noise in the engine block that comes and

is it over heating,or low on oil,when was it's last service?

Posted on Jun 19, 2010

  • 553 Answers

SOURCE: rattling noise when cold start. noise dissapear

You problem is most likely just lifter noise. This is common with a lot of Ford engines with self adjusting lifters. Although lifter noise is bothersome it doesn't pose a serious problem. Unless your engine starts to miss or your gas mileage drops way off lifter noise is just an annoying problem.
I would recommend that you add some Sea Foam Engine Treatment($6-$8) to your oil. This is not an oil treatment it's more of an engine cleaner. If this works you'll need to add it every 2nd or 3rd oil change.
If this doesn't take care of the problem then depending on your engine you may have adjustable rockers that would allow you to remedy the problem. If not, your options are limited to living with it or replacing the lifters and possibly other valve train parts.

Posted on Jul 20, 2010

  • 550 Answers

SOURCE: rattling noise when I press the gas pedal or when the vehicle is running idle.

Hi,
Likely an exhaust heat shield. When the SUV is cold - after sitting for 4+ hours - crawl under the vehicle and see if any of the shields are loose that cover the exhaust pipes. If they are you can use sheet metal screws screwed into the shield and against the exhaust pipeto 'wedge' the shield so it doesn't move.

GL,
Td

Posted on Oct 01, 2012

Testimonial: "When I checked the exhaust line, one the metal tie rack was broken. I replaced and the noise went away. Thanks"

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sounds like lower engine damage, could be a bearing or low oil pressure but if knocking the damage is done. i would have a tech just double check it to make sure, i have seen flywheels make noise and pulleys and a/c compressors, so just make sure it is in the oil pan if so then engine will need repair.

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I just send you the description; will need visit your mechanical technician.
Rattling, Knocking Sound (lower engine noise) - If a heavier noise seems to be generated from the lower half of the engine the problem can be more serious and disassembly maybe required. But, sometimes a lower engine noise could be generated due to excessive carbon (carbon is a natural by-product of the combustion process) build up on top of the piston. This noise is created when carbon is compressed between the piston and the cylinder head. If you elect to perform a de-carbon procedure start and run the engine until warm, have a helper hold the engine at about 1500 RPM.

As the engine is running poor a small amount of water down the throttle body, about a cup, you are creating a steam cleaning effect to break up the carbon that will exit the engine. Don't worry if steam is generated from the exhaust during the treatment, this is normal. If noise is gone after the treatment the carbon has been removed, if the engine noise is still there lower engine dis-assembly is required.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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When catalytic converters go bad, the porcelain matrix inside comes loose and is noisy.
But you can just unbolt it, break up the loose chunks, pour out the pieces, and it will run better than ever.
If you don't pass the next emissions test, then replace it.

But it could just be the heat shield rattling instead.
Take the shield off first, to see if it goes away.

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Timing CHAIN tensioner you mean? Better have that noise checked ASAP. It may be a problem with the timing chain.

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1998 ford contour 2.0 4 cyl automatic. made rattling noise in engine then stopped running.turns over but will not start. put on obd2 reader and came up with no codes


Does it seem to turn over quickly? If so i'd suspect the timing belt broke considering the rattling noise heard before it stopped.

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2000 ranger rattling noise in engine compartment


Check the heat shield on the catylitic converter,exhaust manifold. Kev-Mn

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