Question about 1998 Pontiac Bonneville

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I have a knock in my engine it sounds like something is loose and rubbing the motor don't miss and the noise will stop for a second and then go again. It seems to be in the upper part of the motor it is a 98 bonneville with a v-6

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6ya6ya
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Posted on Jan 02, 2017

  • 196 Answers

SOURCE: LOUD TICKING NOISE IN ENGINE AFTER INTAKE REPAIR

How long have you ran the engine ? I know that they will run rough and sometimes make strange noises for a few secounds or a little bit untill everything get oiled up again. I would make sure all the push rods are back in the right place and that all the lifters are tight.

Posted on Jan 18, 2009

loxmith
  • 21 Answers

SOURCE: 1994 pontiac bonneville.car starts but stops after

This car uses a key with a transponder chip in it. The ignition reads the value of the chip thru 2 small contacts just inside the entrance of the keyhole. These contacts are known to get dirty, wear out, or become totally disconnected from the wire they are hooked to. Use electrical cleaner in the lock cylider and run the key in and out a few times to clean the lock. This is your temporary fix. The next item you may want to try ,is having another chip key made. If this doesn't work, then you will need to replace the ignition cylinder. You can try "Plastichead Keys" for these parts. They can be reached at plasticheadkeys@aol.com.

Posted on Aug 03, 2009

  • 14036 Answers

SOURCE: 1992 Bonneville SSEI 3.8 supercharger making internal noise

IF YOU HEAR RATTLING NOISE IN SUPER CHARGER.YOU HAVE WORN DRIVE MECHANISM LIKE LOOSE ROTOR SHAFTS OR WORN ROTOR SHAFT BEARINGS.

Posted on Aug 26, 2009

Testimonial: "thanks for the information,after going to the pontiac bonneville site, found out the couplier is most likely worn and will be replacing"

  • 26 Answers

SOURCE: Sticking lifters.........98 bonneville

Either the rocker arms need to be adjusted or you have a flat cam lobe.

Posted on Apr 11, 2010

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WHEN STARTING KIA 2008 SPORTAGE A NOISE SOUNDING LIKE LOOSE BOLTS OR NUTS FALLING AROUND.LIKE SOMETHING KNOCKING AGAINST A COVER OR SO.GOES AWAY AFTERWARDS THEN COMES BACK WHEN IDLING ..


hydraulic lifters fitted to that engine
shimmed adjustments

that rattle on start up will happen
takes a few seconds to fill with oil
if lifters are worn
motor run low on oil or not serviced regularly

faulty ones can be replaced

other rattles can be idler pulleys

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26330839-radv5n15hhxpcoidihemqese-5-1.jpg

Oct 28, 2016 | Kia Cars & Trucks

1 Answer

Knocking rattling noise from engine appeared while driving loss lil power running but loud knocking in engine


You didnt state vehicle however if the engine knocks the knock sensor will back off the timing thinking its detination not an actual knock if its knocking loudly stop driving it, something is going to let loose

Oct 06, 2015 | Cars & Trucks

2 Answers

Can the oil pump in my vehicle make a rapping noise when it goes bad?


Sorry no one can touch this question .
Their is no good answer .
It sounds like engine is shot you see if the oil pump is bad the engine is had it .
The oil pump is the last thing to go in an engine its always lubericated .
And WHY did you descide to change just before this noise started something is missing with the problem .

May 12, 2015 | Cars & Trucks

2 Answers

Why is there a knocking noise from front drivers side?


If the noise happens when the engine is running and the truck is not moving... Its a good possibilty that its an engine problem.. Go see the person that replaced your motor.. And ask what it is? If there is no noise when stopped but running and you are pressing on the gas pedel increase RPM.then it could be something like a loose or broken shock.. or a cat converter loose and bumping into the floor.or the cat converter heat sheild loose.. You might try taking it to a different shop from the one that did the work and getting an estimate.. Most good mech. can pretty well pinpoint a knocking noise without taking anything apart and usually will give an estimate for free. If not for free go somewhere else.. I guess you got some kind of warrenty on the work you have had done?

May 16, 2014 | 2002 Chevrolet TrailBlazer

1 Answer

Ok its really a Chevy-----1998 suburban with 1 year old factory 383 stroker engine. Engine has great power. Noticed a rattle while coasting lately. Also a grinding noise under hard acceleration from a...


take the transmision cover plate off the bottom and check your flexplate for cracks or loose bolts between the flex plate and the torque converter..also chheck your motor mounts.. you may have a broken mount allowing the fan to rub on the shroud..

Mar 08, 2014 | GMC Sierra Cars & Trucks

1 Answer

Knocking noise in engine of 2002 Nissan maxima


This is hard to say with hearing the noise but try to pin point the noise , is it coming from the top or bottom of the motor , the knocking noise could be a bearing in the lower motor or may be something else making it sound like a bearing,

Oct 05, 2012 | 2002 Nissan Maxima

2 Answers

Knocking noise coming from back tyre


could be a broken belt on the tire could be a wheel bearing possibly a brake caliper hanging up or just something came loose and is rubbing on your tire needs to be lifted up and inspected it may mean removing the rt rear tire for a closer inspection is the car stopping ok if not don't play with your brakes

Jun 28, 2012 | 2001 Fiat Punto

1 Answer

Lifters are knocking and there is a missing in


lifters tick and noise is upper end of engine if lifters are making noise could be from a bad valve,bad lifter ,push rod ,oil pressure,rocker arm - need to take do compression test find out if valve problem and which cylinder is problem also take off valve cover and check for proper oiling of valve head and look to see if and are damaged or loose-------a knocking sound usually comes from lower end of engine,rod knock etc.and thats usually rebuild of engine

Nov 22, 2009 | 1994 Isuzu Trooper

2 Answers

Loud ticking/knocking/rattling sound when I start/accelerate


hi is it miss-firing as it sounds like a knocking noise can be anything but if you can feel it on the accelerater pedal then the noise sounds like its on the inlet valve side which would transfere the noise up the throttle body where the accelerater is located it could be something as simple as a tappet come loose to a burned valve you need to have a look do a compression test and take the rocker cover off see if theres anything come loose yates210456

Oct 13, 2008 | 2000 Dodge Grand Caravan

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