Well im confused if it does or does not have oil pressure.
Remove the rocker cover and start the motor. Can you see oil being pumped up and squirting from the head? Have you removed the oil pump to see if it its working as it should?
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BigRAWesty (13th February 2017)
Could it be a blocked strainer?
12/97 GEE YOU
4.5lt Gas blower. Lots of mods to come.....all in good time.
BigRAWesty (13th February 2017)
Yeah could well be. Among many other things...Originally Posted by jay see
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You have narrowed it down to 3 possible issues
Oil Circuit shows Sump - Strainer - Pickup - Pump - Filters - Cooler - Engine
Oil Pump relief valve is between pump and filter and drains straight back to sump.
Oil Filter relief valve will bypass filter and send oil to cooler.
1. No oil getting to pump - blocked oil strainer, air leak in oil pickup ( maybe where pickup tube bolts to block )
2. Pump not pumping - drive failure, pump worn out, leaking seal or gasket.
3. Pump output not getting to filters - Pump relief valve stuck open.
Next step I would remove the oil pump relief valve housing completely. Disconnect the fuel solenoid wiring and crank the engine to see if you are getting oil there.
Just re-reading original post. You said "apparantly" rebuilt. Who by? and how much was replaced or just cleaned and new seals/gaskets?
Was there any oil in the fresh filters?
2006 4.2TDi ex-Telstra Remote area Camper. Patrol Sold after 11 years of ownership Replaced with 2006 OKA NT Expedition Truck. Cummins, Allison & lots of goodies
A Nomadic Life (Blog)
didnt some patrol 4.2 have 2 oil filters and were different
found on ebay Oil Filter Z503 x 1 and Oil Filter Z416 x 1
2007 GU 6 /ST-L / MYO8 / DIESEL/AUTO /MOONSTONE /pro vent 200
OH LEATHER IS NICE
Yeah mate, but you can't mix them up as they had different thread sizes. If thats what you were getting at...
BigRAWesty (14th February 2017)
Lets see how this goes TD Oil Circuit drawings
TD oil circuit1.PNGTD oil circuit2.PNG
BigRAWesty (14th February 2017), Knibbventures (15th February 2017)
Thanks Its on my list today. I've given it a rest for a few days.
I've been a bit nervous about starting the car again with no oil pressure so today I will force oil in at the oil pump relief valve port and see where it gets to .
I hope to see some coming up into the rocker area.
No I have not removed the oil pump.
Where is the oil pump?
Whats required to get at it.?
Thanks very much for your input
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