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When i start the car theres a popping noise heard when the cars idle. can also here it more when idle and i turn the wheel slightly. any ideas what it could be.
Re: When i start the car theres a popping noise heard...
Petrol or diesel ?? if petrol is it a 1.6 zetec engine and not an american build with a monster engine?? ,well if its the zetec then i would check the power steering fluid level first then re poast if its ok
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there could be a slight hole in one of the air intale hoses and can only be heard at idle as drowned out by engine noise , i'd get the OBD codes read this should tell you which , if any , sensor/switch etc could be causing this issue, keep me posted if you wish
wood38, What you are describing here is a wheel bearing problem. To check this, jack up the vehicle and support it with a jackstand. Grab the wheel on the top and bottom and see if you can shake it. If there is play in the wheel then this usually indicates that the bearing is bad. As you state when turning left the noise is louder. This is because the weight of the vehicle is being 'thrown' to the right putting more pressure on the right bearing. You may have to replace that bearing and what you describe here indicates just that. Good luck with this.
Popping noise when turning is usually CV joints. Is this a 4wd? One more thing to check, is your sway bar bolts, as they can break off, or wear grooves on them, and pop as they have pressure put on them. If the popping noise is something that happens once, and not a continuous thing when you're turning, most of the time it's ball joints though. Did you replace them? How did you check them? Easy way to tell, is to jack the wheel up, and if it slides out slightly when it gets ready to clear the pavement, then you're almost certain it is ball joints.
Is the noise only heard when braking and slightly less when turning? Most likely needs new brakes. If the wheel area noise was there when turning and not braking it would most likely be a wheel bearing.
could be the timing chain. Was it a pop or more like a ping . A ping could indicate a timing chain problem. The tensioner might have gone bad. its not hard to replace for an experienced mechanic
Inner tie rods could make the same noise your describing. Do this......with your car in park and at idle, slightly turn you wheel from left to right, just a slight ****. 1/16 of a turn. Increase the pace from left to right, then slow down the pace. You should feel a bump in the steering wheel almost like something is tapping it. If so, have your inner and outer tie rods checked. Actually, have the steering gear checked also for leaks and wear.
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