Question about Panasonic SC-HT740 System

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Internal rattle After it is on for a while, it begins to make a rumble and rattle noise.... When I power it off and then back on, it stops for a few seconds, and then the noise returns. It is real inconsistent as to when the problem occurs.

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  • o311mom Nov 24, 2008

    The same thing was happening to me. It turns out the fan was getting ready to die. May be the same for you.

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It is the cooling fan

Posted on Jul 04, 2008

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Posted on Jan 02, 2017

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Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

1 Answer

My 2002 Sequoia has a vibration and deeper rumble when sitting idle. This happens intermittently


throttle body cud be dirty wher it opens/closes or motor mounts may be worn or mite b somethin internal---car over 10yr

Jan 27, 2014 | 2002 Toyota Sequoia

1 Answer

Rattling noise when accelerating


I would need to know what vehicle this is? 4 Cylinder. V6? 3.0? There are a few things it could be,

If the Engine is Moving, it could be hitting something so I would check the Motor Mounts (Happens quite Frequently on Taurus)

Check the Tension of your Serpentine Belt

Apr 05, 2013 | Ford Fusion Cars & Trucks

1 Answer

Washer makes a rattling noise when spinning


Hi

If its rattling check the drum for anything caught in it.Washing machine noise is not only annoying, it can also be a sign of serious damage. When armed with a few tips, you can determine what problem may be causing your washing machine to rattle, and what you can do to stop it.
Check for drum bearing failure if your washing machine is noisy on the spin cycle. Drum bearing failure is common when the bearing seals start allowing water to enter. You can take the belt off and spin the drum by hand, and if the drum rumbles, replace the bearings.

Turn the drum by hand and listen for loud noises. If the drum itself is split or the 'spider' is corroded, broken or has come apart from the back of the drum it will create a loud noise on every turn of the drum. (When the bearings have gone bad, the noise is constant the entire time the drum is spinning.)

Look for obvious dents and creases in the drum or look for coins or small objects stuck inside the tub underneath the drum when a horrendous noise is made while clothes are in the tub.

Clear the water pump from obstructions like coins or small objects when a noise occurs while the washing machine is emptying water.

Remove the sump hose and look for bra wires if you hear a light scraping noise when the drum is turned by hand. You can also check to make sure a wire isn't poking out of one of the holes in the drum. In this case, you can pull the wire out easily with pliers.

Take the belt off and run the motor alone if you hear a high pitched squealing noise to check for motor bearing damage or wear. If you still hear the noise without the belt, it's the motor bearing.

Please get back to us if you have further query or else please accept the solution.

Thanks for contacting fixya.com

Sep 03, 2011 | GE Spacemaker WSLP1100D Top Load Washer

1 Answer

2005 Toyota Echo. front end noise (rattling/rumbling) when I am stopped at a light.


I had this on my 2002 Yaris, with 103,000 miles on the clock. I found that the rear engine mounting rubber bush was partly torn and the charcoal cannister was loose (not inserted in bracket properly). I installed a used rear engine mount off e-bay, straightened the cannister bracket and inserted it properly. Knocking noise at low revs now sorted.

Jan 14, 2011 | 2002 Toyota ECHO

1 Answer

Rattling noise coming from my 2005 mazda 6's engine. it only happens when i drive slowly such as going through kfc drive through


Good evening.
If this is a tinny type of rattle and it only happens at certain RPM's I would look for a loose heat shield over the exhaust pipes. Have someone apply the throttle until the rattles begins and listen under the car with a long screwdriver or a yardstick. Use the screwdriver to push on the various shields surrounding the manifold and pipes until the rattle stops. then use a hose clamp or two to tighten them up.
Also I see a lot of catalytic converters that become loose internally and rattle around inside it.
The only cure for that is to replace the converter.
If this rattle is an internal engine noise you should have an experienced mechanics ears give you an opinion.

Thank you for using FixYa.

KL

Nov 26, 2010 | 2005 Mazda 6

1 Answer

The car is a SC2 1996. There is a rattling noise


you can disconnect the drive belt and run the engine to find if it is external or internal . if the noise goes away with the drive ( Fan Belt) off , before replcing the belt spin all pullies with your hand .

Aug 29, 2009 | 1993 Saturn SC2

1 Answer

2001 Prizm makes noise when air condionter is runingusually at slow speed


I had a similar problem with mine.

If it is a rumbling/rattling/knocking noise when you accelerate with the A/C on, it could be a collapsed bushing on the belt tensioner piston. If it is, replace the belt tensioner and it should stop.

Jul 31, 2009 | 2002 Chevrolet Prizm

2 Answers

Engine noise


getting good lubrication flow to the top end of the engine ? maybe some lubrication flow is being blocked to the top of the engine and you hear valve system noise.

Jun 17, 2009 | 2006 Suzuki Forenza

1 Answer

1991 oldsmobile runs rough after awhile


Code 22 refers to retarded advance camshaft Position Bank 2. the eaasiest way is to get a known good ECM and replace in place of the old one. if it runs good. replace it.

Feb 10, 2009 | 1991 Oldsmobile Ninety Eight Regency

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