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R34 Lifters

dcanna

By dcanna,
in Engines & Forced Induction

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666DAN Grand Master

666DAN

Posted
Posted (edited)

Yeah I know the sound, I get it for the first 1-2 seconds on startup if the car has been sitting there. You'res definately doesn't cease.

I'm with the guys on this, foamy oil and the lifters staying that noisey kind of indicates that the upper head lubrication isn't going so well.

Edited by 666DAN
dcanna Community Regular

dcanna

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ive got a hoist on friday or saturday so im gonna give it a shot removing the sump, the thing that concerns me the most is how it is not there when i start up but after say 1min it is there?? like someone switched it on? Not the VVT is it? oh and if you dont mind coul someone (maybe trent) just give me some ideas of what to do/look out for when removing the sump, i will have two ppl that kinda know there way around an engine bay but more info the better in this situation.

dcanna Community Regular

dcanna

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edit: Never mind (just repeated some of the stuff that's already been said) .. Tow it to a reputable skyline mechanic, air in the oil doesn't sound good at all. How do you see the bubles anyway (where?) ?

hey i took it to racepace and they looked at it and couldnt 100% figure air bubbles without putting it on hoist but they noticed bubbles on dipstick and oil cap, there IS oil on the oil cap.

The Dan Grand Master

The Dan

Posted
Posted

Hmm definitely a very abnormal sound. Not deep enough to be big end.....slight possibilty of little end but usually that's a sharper knock than that. Take a photo of the sump if you can. I wouldn't mind seeing the dent. They gotta come up a fair way to impede flow.

You were right before about the lines not mattering. It's a sandwich plate design with no relocator but the other two fittings on the side, I would still like to see the instruction sheet to be sure in case the block itself has a specific route. Does the oil cooler get warm with the engine?

If it's getting warm once the engine is running for a couple of minutes, then it is flowing correctly.

Other possibilities are broken valve spring or a shim that has come astray. I wouldn't be going to all the trouble of pulling the sump off yet. It is likely the camshaft will have to come out and chances are the dent is not that bad.

Post the pic for us to see

dcanna Community Regular

dcanna

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you guys probably getting drained by this already, i did another test. from dead cold start car made the ticking straight out. Then turned car off ofter it was hot, turned on NO TICKING WTF, there was this faint inconsistent, sound that didnt increase (it sounded quite normal engine sound), then i hoped in car, gave it some revs to 2k then to 3k no sound?? then i went to 4k, backed off and INSTANTLY the sound was there. ALSO no bubbles in oill at cold but once hot bubbles were on dip stick and oil cap, i have photos and footage, also posting the oil sump dent, doesnt look that bad??

dcanna Community Regular

dcanna

Posted
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Posted

for anyone interested just updating my progress. Look at the videos i uploaded aswell. Anyway i took off the sump the oil pickup looks new. i flushed the engine with wurths engine flush prior for ten mins to remove any gunk. engine looks really clean cleaned out the sump and the pickup. obviuosly when i put everything back together the ticking is still there. so i have eliminated one possible problem. I guess ill have to leave it for someone to open up the engine now i can not think of anything else. However i just have a hunch that its not something inside the engine. thanks for the guys that helped out on this issue cheers.

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