Question about 2003 Suzuki Vitara
Hi if the oil wasnt pumping properly then you would get an oil warning light appear on your dash board, how ever to me it sounds more like the hydraulic tappets are making some tapping noise, now you could try an oil change as the oil goes thin over time so changing the oil might make it less noisy but to really solve the problem you need to replace these hydraulic lifters now to do this is a big job it requires the timing belt taking off and the cam/cams if twin cam removing to enable you to get to the lifters plus they are not cheap to buy, how ever as long as the noise is only a tapping noise you shouldnt have any problems its just normal ware and tare on any engine.
they all get this sound over time so its nothing to be to worried about but to stop the noise you need to replace the lifters and the shims that sit on top of the lifters now you could price these up if you can do this sort of work yourself, how ever its not the kind of job a novice should do and even an expert would need a repair manual to do this sort of job.
the noise wont cause any harm to the car unless it starts banging most cars of similar age to yours and older have this tappet noise on the older cars you use to be able to adjust the tappets how ever these needed adjusting on a regular basis to maintain no noise so the newer cars they fitted these hydraulic ones that are not servicable and can only be replaced. if you are mechanically minded and you have a couple of free days and you dont need your car for couple of days then it is some thing you can do using the workshop manual.
you will need to know how to set the timing and you would also need a torque wrench to set the bolts back to correct torque, this is a big job and time consuming so depending on your skills you could do this yourself.
i wouldnt worry to much it wont break down the noise can be annoying but as long as its only a rattling or tapping noise you will be ok if it was in the bottom of engine then i would say you need to get the work done sooner than later as the chances are it would be crank bearings or bottom end piston bearings but as its top end you should be fine driving as long as it is only tappet noise.
if you wanted to make sure just pull into a garage and ask a mechanic to have a listen tell him your looking at having the work done when you get some money saved up but you just want some idea of the problem and costs involved they will then come out and listen to the engine and should tell you what i told you, they wont charge for this but at least it will put your mind at rest, they may tell you it needs doing at once just to get your custom but if they confirm it is the lifters then i wouldnt worry to much unless you really want to get the noise gone
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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