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The engine sound is louder

The engine is heavi and make a big sound

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My 2000 Toyota Fourrunner made a super loud knocking sound when I was driving on the highway?


It is hard to say at this range. If a heavy knocking noise that gets louder if you rev up a bit, and it seems to keep time with the engine, you have a failed con-rod (big end) bearing, or less likely, a failed crank main bearing. A lighter knock may be a failed gudgeon pin (small end) bearing. Another possibility is that the engine has eaten a valve or 2.

A blown head gasket can make a noise but it is more like a 'chuff-chuff' sound, like a steam engine.

If the noise has nothing to do with engine revs, look for a loose road wheel or a failed axle bearing, but I doubt it is that.

If you decide it is the engine, the quickest way to investigate is to drain and remove the sump, and look at the big-end bearings. To investigate the valves you could use a borescope, before going to the trouble of removing the cylinder head.

https://cdn0.pissedconsumer.com/review-media/pictures/6d/c4/13869/autozone_denies-valid-warranty-claims-on-newly-installed-water-pump-20130413400428_6dc4-gallery.jpeg

Mar 12, 2017 | Toyota Cars & Trucks

1 Answer

1997 cutlass supreme started making a knocking noise could it be oil pan


constant heavy knock that gets louder and faster with increased rpm
possible big end bearing failure
if it just happened as you drove over the gutter and it knocked could be a suspension part loose

Oct 01, 2016 | 1997 Oldsmobile Cutlass Supreme

1 Answer

95 Buick Riviera Died on the highway. 95 buick riviera was making a clanking sound, then I felt a big **** and everything shut off now car won't start, or do anything. what does this problem sound


Your flywheel may have broke or the crank could have broke. If the crank broke the engine is done. Try to turn the engine over by hand. You can put a socket on the crank pully bolt and try to turn it.make sure the key is off and out of the ignition. Sorry for your loss.

Mar 20, 2017 | 1995 Buick Riviera

2 Answers

I have a 2005 nissan altima. Which I hate, we've had nothing but problems with this car and now it is making a ticking noise which seems to be coming from the right side of the engine. Also it seems to...


A lot of times a ticking sound is the valves, which usually means a valve job when it gets bad enough.

But if it is a gentler tick sound it could be what is know as a wrist pin knock, which in some cases is not a big deal and others a big deal.

If the sound gets louder and louder, you will have to do something about it. But if it stays pretty constant then you monitor it, and look for other indications such as losing power, excessise oil use, etc.

Aug 12, 2011 | 2005 Nissan Altima

1 Answer

02 Trailblazer Loss of power - replaced fuel filter, - rpm's rise but no accelleration -engine cold or hot does not matter- I hope that it is not the transmission - I read where a bad fan clutch can...


If the fan clutch is bad, your engine would sound like a big rig or an airplane and get louder as you press on the gas more. Do you have a check engine light on?

Feb 23, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

I hear a knocking sound everytime I start my 96 Ford 150. Also, its getting louder and louder each day.


hi this sounds like the big ends are on there way out, these are the parts that connect the piston conrods to the engine crank, when the bearing wear this causes a gap between the conrod connection to the crank and that will give you the knocking noise, the low oil pressure is also an affect of this problem as the pressure is reduced as the engine is running, there are 2 ways to cure this both unfortunatley are expensive, first, complete engine change, which would be better to do, or a repair or replacement of the conrod bearings, dependent on how much they have warn or even how much the crank has warn if they are really bad then it would be a replacement of all the parts...hope this helps please vote thanks

Jul 13, 2010 | 1996 Ford F150 Regular Cab

1 Answer

Would a faulty speed circuit sensor make the car idol noisy like a rattling knocking noise. noise is louder when accelerating.


NO, it sounds more terminal than that, if you have a knocking sound or noise coming from your engine it could be a few different things, 1. big end bearing, need to rebuild bottom end of engine this is the main one, best get it to a mechanic to clarify the problem for you

Feb 05, 2010 | 2001 Hyundai Santa Fe

1 Answer

My engine make a loud noise like metal hitting metal and it gets louder as i rev.. or drive and its got worse


it knackerd......check the oil level but at this stage it sounds like a big end or main bearing is gone and this involves a major rebuild or replacement engine

Nov 09, 2009 | 2000 Volvo S80

2 Answers

I just installed a clutch fan into my 2004 dodge durango and now the suv runs so heavy. I mean the suv runs loud. Is this normal?


Not sure what you mean by "heavy" and "loud"..

The fan might be "louder" because it may have been allot more quiet with the old failing fan clutch and not spinning fast enough.. Thus the new one working correctly making the fan spin much faster and being "louder"..
If that makes sense - to you question..

Sep 25, 2009 | 2004 Dodge Durango

1 Answer

L Reg Vitara engine knock


if anything id say it was the bearing

Jul 06, 2008 | Suzuki Vitara Cars & Trucks

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