Question about 1995 Toyota 4Runner

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Engine knock 2005 4Runner V8

Knocking sound from engine for about 12 minutes after startup. Starts knocking again for about 5 seconds when shift from P to R.

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One or two motor mounts are bad!!

Posted on Jan 01, 2009

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Posted on Jan 02, 2017

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2005 mazda4cycl over head cam knocking noice like a lifter noise or bent rod when reving but noice cycles knocks a minute an stops for a minute an starts and stops


Hi Troy I owned a motor bike years ago and I had the same problem, It would start off with a quiet knocking sound and get louder then suddenly stop but start up quietly again and again and so on which turned out to be the timing chain was worn.... SERIOUS mate. Good luck......

Apr 17, 2016 | Cars & Trucks

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I have a 2001 Chevy Malibu automatic when it is in first and second gear it makes a knocking sound but when it shifts to third gear it stops I don't think it's a rod knocking because it isn't consent


More information is needed to help with this.

1. Is the knocking coming from the engine, the transmission or elsewhere?

2. If you believe it is from the engine, start the motor and put the auto in neutral and gradually depress the accelerator pedal to gently increase the engine speed for 2 minutes. If you can replicate the knocking noise then obviously it is engine.

3. If the knocking is from the engine check the engine oil level which you should be doing frequently anyhow to ensure you top it up and do not run the oil level low and destroy the motor. (Failure to have the engine oil changed at the required intervals can also result in excessive wear and damage to engine components.) If you do this check and find the oil level is very low then advise here when you repost your query with more information about the source of the knocking sound.

4. Also indicate in your post what grade (octane rating) of fuel you are running the engine on.

Apr 14, 2014 | Cars & Trucks

1 Answer

Continued knocking while driving. Seems to knock faster as I accelerate, but does not knock at idle in neutral, starts to knock when reviving at 2200 rpms


Well lift the car up and put it on drive wile you can hear what the knock is. See if is your engine or the transmission. And if ok check your spark plugs make sure you getting fire to them

Feb 26, 2013 | 2001 Volvo C70

1 Answer

I have a 2004 Ford Explorer with a knocking sound coming from the engine. Was told I could be the timing chain. But it's not. What else could be making a loud knocking sound? Thanks.


If your truck has the 4.6 or 5.4 V8 then you know it has two timing chains. The lifters could be causing the knocking noise. If it sounds like it's coming from the top then I would suspect lifters. If it sounds like it's coming from the bottom of the engine then I would suspect main or rod bearings.

Mar 29, 2011 | 2004 Ford Explorer

1 Answer

My Toyota Vitz has a problem of engine knocking even when the engine is cold. the knocking reduces if i press hard on the gas, other wise it knocks while shifting and initial pick up as well.


Knocking can be caused by a bad bearing somewhere in the engine. When the engine is accelerated it might go away due to higher oil pressure.

When did you have the oil changed and how many miles does it have?

Is the knocking rapid (5 or 6 times a second) or periodic (1 or 2 times a second)?

Some knocking is due to low octane gasoline if you experience it at highway speed.

Good luck on solving this knocking problem.

Oct 07, 2010 | 2007 Toyota Yaris

1 Answer

95 SATURN ISSUE


Have you been changing and checking engine oil frequently?

Jun 03, 2010 | 1995 Saturn Sc

1 Answer

Upon starting truck in morning after sitting all nite there is a knocking/rapping sound coming from engine for about 5-10 seconds and once in drive and moving at a slow speed it goes away and does not come...


most likey a wrist pin bad or cam bearing and last a rod bearing you need a stethascope to locate it ehrn it's knocking. could even be a pully or belt tensioner.

Mar 21, 2010 | 2003 Chevrolet Silverado Ss

1 Answer

G'day....I need help in a problem that has happened, I put to much oil in the engine of my 93 Hilux 2.8 Diesel and I drove abot 10 klms and the engine reved out severly and tonns of white smoke came from...


you have some serious internal damage concerning your main bearing and most likely other serious damage to dianose with out doing some diognostic tests

Oct 07, 2009 | Toyota 4Runner Cars & Trucks

1 Answer

I have 1998 Infinti Q45t 4.1L V8, It has 202,750 still runs great except you can hear little knocking sound when idling. Is that bad if you hav knocking sound from engine?? So do you think that we can fix...


a knocking sound in an engine is never good. with a high mileage engine things start to get worn. so bearing clearances get larger and things begin to knock and rattle. i would try running a higher viscosity oil than is recommended it might help with the knock. but truthfully it probably needs to be rebuild or a whole new motor installed

Sep 14, 2009 | Infiniti Q45 Cars & Trucks

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