Posted by Patrick M on August 8, 2009, 12:50 am, in reply to "Book"
211.27.205.240

Wow, thanks Peter --Previous Message-- : : Sorry Pat , thought i was finished then it : dawned to look at a book . : : The book is ... ACL Engine Manual No 413 : Published by Gregory`s Automotive : Publications : ISBN 0 85566 680 3 : 1997 reprint : : It`s similar or carries on from the Repco : Engine Service Manual of the 1970s , it`s : all to do with engines hows and whys builds : fails measurements etc . : : It has a bit on thrust faces and gives pics : ( not real clear ) : : Failure ......... : : When fitting crank and damaging thrust : surface . : : Says wear on 1 face is the norm : as if from insufficient lubrication : : : Excessive thrust placed on thrust bearing : for a LONG PERIOD of TIME ( no time frame : given )such as bad clutch adjust or auto : with heavy or constant thrust can cause oil : flow cut off and the flange becomes wiped : and heated , usually resulting in total : failure . : : { Heated i guess you can work out . : Wiping or smearing is caused by metal to : metal contact described as metal being : displaced (wiped ) and redeposited .} : : Crankshaft Thrust Face machined with a rough : finish can wear into thrust lining causing : failure . : : Suggests if both surfaces have worn , : insufficient end play and/or heavy thrust : loading of the front gears/pulleys/belts . : : The book has a section on engine bearings 42 : pages and give descriptions and pics of : bearing failure and cause etc : : If you have a Library near and are able to : get this or a similar book you could : diagnose , cause/effect , your big and main : bearings , there are to many actual pics and : tech drawings to relay . : : The thrust may have failed but the others : may tell more of the story . : : Now i`m finished and i`ll leave you to it . : : Cheers : : :