I replaced the cover due to oil leak which I thought was due to a crack in the cover....on further inspection, I think the leak was caused by a poor sealing Relief Valve cap.....so I am considering replacing the old cover and pump and see what happens!!
tomcat59alan
Well-Known Member
They are a pleasure to own are they not.
Bit of an issue.....
Got in to go home at 4pm, no oil pressure, rev it hard and the light flickers on and off.....back to idle, light on, engine rattling away!!
Pinched a work van to get home so I can see Summer before bed and put the Tesco home delivery shopping away....
Gonna head back to work now and pull the front off again and replace the old front cover....
Gotta do it to night as i have a day off tomorrow for a new parent course on first aid and resuscitation so i have to get the van back tonight for work in the morrning.
Wish me luck, its gonna be a hard slog!
Got in to go home at 4pm, no oil pressure, rev it hard and the light flickers on and off.....back to idle, light on, engine rattling away!!
Pinched a work van to get home so I can see Summer before bed and put the Tesco home delivery shopping away....
Gonna head back to work now and pull the front off again and replace the old front cover....
Gotta do it to night as i have a day off tomorrow for a new parent course on first aid and resuscitation so i have to get the van back tonight for work in the morrning.
Wish me luck, its gonna be a hard slog!
How to check?? While i have the sump off, is there anyway to check with the journals in situ??
Low pressure only start once I replaced the front cover with a replacement one a few months ago...not before and was immediate on changing the cover, never has had good pressure at base idle with the replacement cover....fast idle is fine.....now I have changed the pump, very little pressure.....gonna replace the front cover with original and original pump and see what gives.....
Any guidance on checking the mains without pulling the crank apart??
Datatek
Well-Known Member
I would not know if there is a way of checking the ends or mains without dropping the caps off, Wammers may know different.
Stick the other cover back and hope, bonne chance, I feel for you.
jamesmartin
Well-Known Member
id take sump of first and check the shells ,bottom on crank and top bearing on conrods, was rattle tappet speed or crank,
Datatek
Well-Known Member
Everything crossed AntCheers Keith!! Fingers crossed please!
Tappet speed thankfully....will see what I can see....
jamesmartin
Well-Known Member
drop number 4 cap off and same with conrod but push conrod up to see
tomcat59alan
Well-Known Member
Pull one of the main caps off and see if the white metal is worn off the bearing, it should show as a copper colour if its worn. you may have fecked them running with low oil pressure. You may get away with a set of shells if the crank is ok. They can be replaced in situ, a small copper washer inserted into the oil gallery and the crank turned will slide the top shell out (as long as you turn the crank the right way). Try the cover first. Good luck
Correct, if the excess pressure vented to the filter it would blow the filter sealing ring. I know, the sleeve on the relief valve on a XJ40 became loose and lifted with the valve so preventing the excess pressure venting. Luckily the filter seal blew before any of the engine oil seals
Zacerly. Not much point in venting pressure into the same pressure, sort of defeats the object of the exercise
brianp38dse
Well-Known Member
best of luck, we await the outcome fingers crossed its good
