Vehicle & Technical > Discovery

Three Part Rocker Shaft

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RichardM:
I took my cylinder head off today and discovered my rocker shaft is in three peices.  It has snapped in the middle and at the front pedestal.  Has any one seen this before?  What would have caused it?  And how come the engine ran fine like that?  Will I be ok just buying a new shaft and swapping all the components over?

extreme90:
dont no the cause, and ive never heard of any storys of it before  :?

but aslong as all the rockers are fine with no cracks or hairline cracks, and the oilways are nice and clear

tappets are all ok with no abnormal ware or uneven ware

springs are all ok

just fit a new shaft and it should be ok

dan

Les Henson:
I've heard of one breaking in two - but again the reason for it was not known. I would check the rockers and pads for excessive wear as the oil pressure/feed would be lower the further along the shaft.


Les.

Range Rover Blues:
Busted timing belt?

RichardM:

--- Quote from: "Range Rover Blues" ---Busted timing belt?
--- End quote ---

If that was the case I'd have some bent push rods and an engine that didn't run...Mine was running fine till I took it apart and found the broken rocker shaft.  In case you're wondering I took it apart to extract the snapped off end of a glow plug that was stuck solid.

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