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Making a strange rattling noise when you accelerate sometimes

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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66 chrgr
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SOURCE: rattle under my 03 expo

your converter has broke down inside this will effect gas millage and could clog up the exhaust and kill your performance.

Posted on Feb 22, 2009

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countrysi248
  • 443 Answers

SOURCE: Making a rattling noise when i step on the gas.

several things could be wrong are you using 91 octane fuel or less? also it might be a timing issue you might be too far advanced in timing ... this causes preignition.. causing a rattle also cheaper fuel will do the same effect.. thanks Jerry holler if you need more.. also was the noise loud or just a mild noise ??

Posted on Apr 27, 2009

  • 66 Answers

SOURCE: My hyundai is making a rattling noise

that sounds like what we call "spark knock" that occurs when u accellerate quickly, but yes it will go away in a few seconds when the computer detects this condition. with the economy the way it is it will be more expensive, but try running higher octane gasoline in it, should cure this condition. hope that helped you!!

Posted on Jul 09, 2009

  • 82 Answers

SOURCE: Loud rattling noise while accelerating

First thing i would try...... ISOHEET, Red bottle..... allows water to be mixed into the fuel and be burnt out of the tank.
get a good qaulity fuel injection cleaner, if you can locate the brand MALCO, i found it quite succesful..... and go with a full tank of premium fuel such as ammoco or shell......do not use yellow bottle of heet

Posted on Jan 22, 2010

Testimonial: "Might be water in the tank?"

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SOURCE: Car makes rattling noise when I accelerate or when

Could it be something else?

Posted on Jun 13, 2011

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1 Answer

Loud noise when I accelerate


Sounds are kind of hard to describe. Bad exhaust noise can be noticed more when the exhaust is rushed in acceleration. Valve rattle can be created on acceleration as well as "spark knock".

Sometimes an air induction leak can roar when the car is speeded up. Sometimes an air filter is not fully sealed in its' duct and will make noise when drawing in air.

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My Holden Barina (2001) makes a rattling noise emitting from the right hand side of the engine. It gets louder when I accelerate. Yesterday I lost all power after only driving it for 1km. The oil level is...


Check all of your belts and pullies. Sometimes it helps to remove the belts and turn the pullies by hand. Also run the engine without the belts for a few seconds. If the noise is still there, then it is most likely timing components rattling.

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Rattling/clattering exhaust noise from front bottom


It could be all of the things mentioned in your post. A loose/bent/misplaced heat shield will make noise at different engine speeds as various parts vibrate and (((RESONATE))) in harmony with engine speed. Also, a shifted/loose catalyst brick in the converter can be the culprit. If you KNOW for a fact that it IS an internal fault of the converter, it will need to be replaced. Chunks can be broken off as it rattles about and **** sideways downstream in the exhaust. This not only blocks exhaust, but can lead to a dangerous burn-through condition if the piece of hot catalyst wedges in a bend in the pipe where yo do NOT have additional heat shielding.

May 10, 2010 | 1991 Toyota Corolla

1 Answer

Rattle noise when I let go of the accelerator. The faster I go and then slow down, the louder the rattle noise


Have a look at the shrouds around your exhaust system, they are prone to shaking loose and rattle on over run.
Try giving your exhaust a bang ( with your hand when it is cold) and see if it causes the noise . Follow the noise.
Sometimes the baffles fall off inside the muffler and rattle around inside too.
Happy hunting!!

Mar 31, 2010 | 2001 Toyota 4Runner

1 Answer

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probable exhause heat shield or maybe converter damage

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sounds like your lifters or valves are rattling!

Jan 24, 2010 | 2006 Chevrolet Monte Carlo

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My Fiat Brava SX automatic rattles at low revs,


Have the catalytic converter heat shield checked. Sometimes they vibrate loose and caus strange rattles or buzzing noises.

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1 Answer

1999 Mercury Grand Marquis


Check the U joints.Check the gear oil in the rear axle.Check the exhaust,make sure not rattling or rubbing anything.

Jul 08, 2008 | Mercury Marquis Cars & Trucks

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