Question about 2002 Suzuki Esteem

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I have a 2002 5 speed it has a bad knocking in the engine what could it be at first it would knock when I first started the car and would go away now it continues and is louder

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Sounds like the big end bearings. The part that joins the piston con-rod to the crank shaft. Have failed.

Posted on Apr 06, 2011


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Clutch replaced on my 2002 Acura RSX type S. Engine light . codes::Left front wheel speed sensor; Rear right outlet Solenoid sensor mlf:;Low Voltage Knock Sensor.Engine turnover probs afterrefueling

left front wheel speed sensor is more then likely due, to a malfunction sensor for the abs sensor, badly connected sensor, or wiring, or contacts corroded or damaged, the knock sensor is usualy do to a fault sensor at the crank shaft where the timing belt is due, this is also more then likely to your engine turnover problems and is just coincidence when refueiling

Jan 28, 2017 | 2002 Acura RSX

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Why is my 2002 Mazda Tribute making a loud knocking noise when I start it

loud knock and for how long

is it a diesel or petrol

broken engine mount

loud tapping is tappets ..should go away once oil reaches top of motor
water pump or bearing something running off drive belts

if high milage engine
a loud knock at engine revolution or half revolution
big end bearings or
piston slap or gudgeon wear



Oct 07, 2016 | Mazda Cars & Trucks

1 Answer

Knock sensor

Knock sensor rarely go bad. I have never changed one. If you start it and hear a knocking noise or the noise doesn't go away. That is your problem. Not the sensor.

Nov 01, 2015 | 2002 Toyota Sienna

1 Answer

A knocking that starts when engine is cranked then it goes away

The knock is likely a worn connecting rod bearing. Are you using the correct weight of oil, never use any heavier than 10W30W, heavy oil viscosity's cause slow circulation through the oil passages and starve the engine's bearings for oil.

May 17, 2012 | 2002 Dodge Durango

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

My engine started knocking after low oil pressure

These truck's are bad about oil pump's, I would replace the oil pump, and hope for the best, if the knocking goes away, then it's fix, but if you still have the knocking, the only fix is an engine overhaul, or a good used engine.

Sep 09, 2010 | 1999 Dodge Durango

1 Answer

I have an upper knock on the front of the engine. What could it be?

While the engine is cold, remove the serpentine belt and start the engine and see if the knock goes away. If the knock goes away, then you might have a bad belt pulley. Good luck, Gary

Jul 27, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

Experiencing a "ticking" "knocking" type noise when 1st starting the car in colder weather that goes away once the blazer warms up , any help ?? I was told it could be the exhaust manifold , or piston...

it may need a lifter or valve adjustment when cold they will tick or knock depending on how loose or worn out then when it warms up they swell with heast and noise stops. after adjusting or replacing it will stop making noise

Oct 26, 2009 | 2002 Chevrolet Blazer

3 Answers

2002 chevrolet z71 1500 engine cold knock maybe piston what is the cure ?

Yes, this is usually loose pistons. Boring the engine and replacing pistons would fix it. But, this won't hurt anything and lots of vehicles do it. Unless it really bothers you, I wouldn't even fix it. As long as the knock goes away after the engine warms up a little. Do you have any other problems could lead you to a different solution? Like check engine light or low oil pressure when cold?

Mar 05, 2009 | 2003 Chevrolet Avalanche

2 Answers

Knock Sensor 2002 Nissan Frontier

The job of the knock sensor is to detect the vibrations of engine "knock" caused by an advanced ignition system. It allows the fuel mixture to run extremely lean and efficient and when it can't perform at maximum effeciency, it "knocks" like it has bad gas and the computer gets the signal from the sensor and changes the ignition to ****** the spark and make the knock go away. If the computer is confused by the signal (too much signal, no signal or too frequent signal) the computer flips the light on with a 0402 code.

If you hit a pothole and the light goes on it might have got too much signal. If it starts going on at other times, you may have a sensor that is sending out too many signals and it might be from bad gas that the computer can't control the knocks.

Jan 26, 2009 | 2002 Nissan Frontier Crew Cab

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