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[EMD]

I've done 3 oil changes and used wynns tapped treatment
but still have one noisy tappet on the drive side 
Question is how do you identify the right one to replace when the top
end is all stripped down 

[Kevin Wood]

Remove the cam covers and see if you can depress any of the tappets using the end of something soft faced such as a wooden dowel. They should be rock hard, but if you find one that bleeds down with a bit of pressure on it, it's duff.

They can be removed and cleaned. There's a guide, IIRC.

[tunnie]

Listening closely you can tell which bank it's on, I've got same issue on mine. Until you get access to them, hard to tell

[EMD]

Thanks folks , the noisy tappet sound has never gone away with all the oil changes . I will do another few thousand miles first then if its not quietened down it will be time to rip the covers off  Funny thing is though there was no tapping when i bought it and the oil was really bad , since doing the first oil change the tapping started 

[Kevin Wood]

Might be worth dropping the sump and checking the strainer is clear. Could be that you have loosened a load of crud and it's gradually blocking the strainer and reducing oil flow.

[EMD]

Might be worth dropping the sump and checking the strainer is clear. Could be that you have loosened a load of crud and it's gradually blocking the strainer and reducing oil flow.

Serek did all that kevin when he replaced the front crank seal  Oil is super clean now so looks like its inspection time again 

[Kevin Wood]

OK. Concentrate on the lifters, then

[sjc]

I've heard of folks using a short length of garden hose (or similar) and holding it to your ear and using it like a stethoscope to find the noise - at least it should give you a reasonable guide to the area to concentrate on when you get the cover off.

[EMD]

Aye , Will try that or maybe a piece of steel pipe .. old school 

[Steve B]

Remove the cam covers and see if you can depress any of the tappets using the end of something soft faced such as a wooden dowel. They should be rock hard, but if you find one that bleeds down with a bit of pressure on it, it's duff.

They can be removed and cleaned. There's a guide, IIRC.

Is this test best done on a cold engine 

[EMD]

Well no wonder it clogs up if abused with all those components  By the time you have got to the lifters it will be nearly cold anyway