I have a 1800 vectra p.reg,when i take my foot of the accelerator i get a rumbling noise,but it goes when i accellerate.i have been told it is the diff bearing. can i do this job myself,and is it easy. thanks
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Hi my vectra did this and didn't show a fault code it's the crank shaft position sensor located behind the starter motor on the front of the engine the sensor is about 30 pound mines never cut out sins i change my spark plugs and coil pack to trying to figures out who knew it was a little sensor it through a your crank shaft outta wack and it throws through a lot of petrol otta timing cheers scott
most likely you will find that there is a plastic gard up above the tyre. if it has come lose then sometimes one end of it can flop down and rub aainst the tyre. this will usually happen when you go through a dip because the suspension let the tyre go closer to the gard at the same time the plastic bit hangs lower as the car goes through the dip. when my car did this I also found that when I tok my foot off the accelerator the front of the car would drop down causing the suspension to do the same thing as when it goes through a dip. also some corners and and uneven roads do the same thing.
sounds like a gearbox bearing ,,,this sounds like a growling noise usually when accelerating although as the problem gets worse it can happen constantly ,,, wheel bearings can growl too but will give a constant noise regardless of acceleration ,,, you need to see to this quickly as the more you drive you will cause more damage and cost to you ,,,,bearings will fix it in the early stages but if more damage is done you could have to pay for new gears and shafts which is expensive
first thing to come to mind is a wheel bearing, being a noise that 'rumbles'-jacking it up, one wheel at a time and turning by hand might reveal which wheel is making the noise. Does the noise 'change' with speed, or braking? Noises are tough over the internet, but your description leads me to think they need to be checked first.
Probably a disc brake pad scraping on a warped rotor as it goes around. When you apply the brakes the warped rotor causes the car to pulse or shake as the rotor goes around and applies the brake unevenly. You need a front brake job.