Valve Stem Oil Seals
 

I had previously seen tips on replacing the Valve Stem Oil Seals without taking the head off . . . but since this site has been re-vamped I have done a search but can't find any . . .

I have a recon engine, but when fitting the new stem seals apparently several of them split . . so they bought 6 more. But one cylinder (No 6) still seems to now have a faulty seal (getting lots of oil sucked into the cylinder on de-celeration, and plug gets REALLY oily)

So as it's just one don't really want to pull the head . . . how difficult is it to do this in situ? I know about putting rope down the plug hole and turning the crank to TDC to stop the valve dropping . . . but how hard is it to get the springs off/on and the stem seals off/on? Any tips from anyone who's actually done this would be very much appreciated!
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1991 3.0i (N/A) Manual, Black Mica. Owned 6 yrs, Mint Bodywork, Daily Driver. Recent Engine Recon (rebored, crank ground, new oil & water pumps etc), New Rad & Catless Exhaust, EGR all removed, Inline PCV Filter (Photos at http://wessexproductions.co.uk/supra )

mmm...sorry i cant help you..im assuming u have a 7m...when i had that motor i dint have a problem with the valve stem seals...ill try and search around for it though see what i can find