hi there my Car is Chevy Caprice 2007 LS with 3.6L - V6 Mealge is 110000 KM ( about 65000 mile ) I have noisy lifters sound since 1 year I've tried flashing Oil but and different types of oil but no difference the sound still the same dealer says , I should change Oil pump and open engine head to change lifters but that cost XXXX$ ! How I know the problem is from Oil pump or Lifters ?? plz check my video to hear the sound http://www.youtube.com/watch?v=LeKKi8zsuEI [YOUTUBE]Chevrolet caprice - holden lifters knocking - YouTube[/YOUTUBE] thanks
higher rev's make the noisy faster bit the same level the sound in the video on youtube the more than actual sound I think it's as you make the sound As 50% on youtube Does Pcv valve can make a noisy ? where is this valve thansk
ah well you know the issue is the lifters or the oil pump so don't be cheap and get them replaced. Otherwise turn the stereo up, there is no magic bottle of additive that will make it go away.
If there is an issue with the oil pump I would be replacing it sooner rather than later, if the oil pumps causing it, it means you aren't getting desired oil pressure and the engine will not be lubricated properly leading to early engine wear/failure. (in fact if it was my car and I determined the fault to be with the pump I wouldn't be driving the car at all until it's fixed) If it's just a lifter it could go another 200,000km with ease.
^^^ there's no Oil caution light but I can't check the sound because of lifters or Oil Pump changing oil pump is expensive and if it's not the real problem that's a bad situation losing money and problem is there ! thanks