Why Engine Vibration

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suvarna_mendu Active Contributor Join Date: Nov 2009 Location: IVRCL,India Posts: 12	Why Engine Vibration 01/06/2011 12:10 AM
	4 months back i purchased a 2nd hand 2007 model, auto gear chevrolet epica car.when i purchased owner told me 'one exhaust valve of 5th cylinder is not working which is giving small engine vibration. latter its also found,when car speed decresed from higher to lower ,its "jerking" at slow running.my friends telling there could be gear problem also. pls could any body say whats the reason for "jerks" and engine vibrations
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bwire Guru Join Date: Dec 2007 Location: Upper Mid-west USA Posts: 7498 Good Answers: 97	#1 Re: why engine vibration 01/06/2011 1:54 AM
	pls could any body say whats the reason for "jerks" and engine vibrations... Yes the engine doctor, take car to doctor asap __________________ If death came with a warning there would be a whole lot less of it.
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#2 Re: Why Engine Vibration 01/06/2011 11:02 PM
	"any body say whats the reason for "jerks" and engine vibrations" Reason for "jerks" is God ran out of brains before he was done making people and had to put some down here without any (brains). Engine vibrations mean the gears are broken, or something.
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bwire Guru Join Date: Dec 2007 Location: Upper Mid-west USA Posts: 7498 Good Answers: 97	#3 In reply to #2 Re: Why Engine Vibration 01/07/2011 11:36 AM
	Easy does it, mind the BP. I think God knew we needed vibrations so we pay attention to balance. __________________ If death came with a warning there would be a whole lot less of it.
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bwire Guru Join Date: Dec 2007 Location: Upper Mid-west USA Posts: 7498 Good Answers: 97	#4 Re: Why Engine Vibration 01/07/2011 11:39 AM
	Ok, ok, ok maybe you need experiment to reproduce this anomally so you can perceive the reasoning. Strap a brick to the outside of one of your ankles then run a foot race and afterwards determine the effect of adding the brick. __________________ If death came with a warning there would be a whole lot less of it.
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suvarna_mendu Active Contributor Join Date: Nov 2009 Location: IVRCL,India Posts: 12	#6 In reply to #4 Re: Why Engine Vibration 01/08/2011 7:19 AM
	bwire, with experience you are telling?
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Anonymous Poster	#5 Re: Why Engine Vibration 01/07/2011 3:11 PM
	Engine vibrations is a result of several cases, all these cases tends to engine un balance which appears in a form of vibration.such as i - un equal compression in combustion champers which due to defect valves or valve seats ,broken or loosen piston rings,excess corrosion of cylinders and cylinder or cylinder head cracks 2 -for petrol engine it may be results by defect of one or more of spark plugs,spark scape through broken high tension cables,defect distributer cap or distributor rotor 3 - For diesel engines it it may be results by defect injectors or injection pump need to be calibrated to assure any of above cases your engine must be open to be checked by specialized work shop
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