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You need to give us more info about your car, based on your info i would say one of your valve lifters is bleeding off pressure when the engine is off, you can try putting 1/2 qt. of automatic transmission fluid in your engine oil, atf is a good cleaning agent and may clean your lifters up. i have done it many times
Is it possible it might be the fuel pump is this a symptom , if it was the tension, belt, would that also give ticking noise. They told me at the dealers it was not the lifters. but they are getting in touch with kia head office to see what they got to say.
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The ticking noise could be a faulty hydrulic valve lifter. When last was the oil & filter changed, it coul be that the oil is thick and not going through to the lifters and when it warms up the oil is thin. It could be that the engine is need of an overhaul as 148.000 miles is 238.182 Kilometers and that is a hi milage.
Hi, what you mean with ticking noise. In my understanding like you talking about tapet noise. First try to change your engine oil. If the noise still coming you have problem with hydraulic lefters.
If it goes away after the engine warms up it is likely loose pistons or worn piston skits. As long as it goes away after the engine is warm it won't hurt anything. It is common on engines with some age on them. When the engine get hot the pistons expand and the noise usually goes away.
this engine has forged pistons whitch expand more than hyper-u-tec-tic pistons when heated . this is normal for this engine . my brother has a chevy silverado 2001 1500 4.8Lwith 650,000 kms and he said his made that noise when it was brand new and the dealer said this is normal. the truck still runs like new with lots of power and it still makes that noise before it reaches operating temp then goes away.My brother uses lucas oil treatment and it helps quiet the knock a little when cold.
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
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