cult45's 45 recovery and remobilisation (6 Viewers)

[cult45]

 

[cult45]

So after discovering the oil gallery up to the rocker assy. wasn't blocked I decided to pull the pan. Dropped the oil [so much oil in that F sump!!]. Pulled the pan and had a bo peep inside.

 

[cult45]

I think it looks pretty clean and there's no scoring on the cam lobes. Bores seem clean. However, I blew into the oil pickup and it went wherever the oil flows to and there was the sound of bubbling oil. So it's not blocked. So I dunno..

Mmmm, sludgey..

The pickup screen was sludgey also. Just wondering if this would have prevented oil getting through the system?

 

[cult45]

And lastly, for the life of me I cannot remove the big nut where it bolts the pickup tube to the oil pump [blue arrow]. Nor the four screws [orange arrows].

So I was considering removing this nut here [yellow arrow]. However, the reinstallation of this ominous looking retaining wire [red arrow] has me concerned. Should I just cut the b@stard and into it?

 

[cult45]

The idea behind disassembling the oil pump and routing was to ascertain the reason for the binding [I prefer not to admit to 'seizing' quite yet ].

I'll also put the battery on charge tonight and crank the engine tomorrow with full amps to see if there's any 'binding'.

 

[cult45]

Cleaned the pickup screen, sump and some weird oily/watery sludgy condensation from inside the rocker cover. Got battery on charge ready for cranking tomorrow!

Oh and am I supposed to be able to blow air through this with my mouth?

 

[andrews520]

I think the cam has to be in the correct spot to allow oil to the top...
Turn it over slowly while drilling....you should see black stuff up there soon enough.

 

[cult45]

I think the cam has to be in the correct spot to allow oil to the top...
Turn it over slowly while drilling....you should see black stuff up there soon enough.

Thanks Andrew. Just thinking though, shouldn't cranking the engine with only the starter get the oil flowing? Would I need to prime the pump with a drill?

 

[cult45]

With a full battery, no plugs or dizzy and no pan I cranked her over. Wound quickly and easily with no resistance. It's a good start. But because I had no oil in it I couldn't check to see if it was being delivered up top. Next is to balance a bucket of oil so the pickup is submerged, drop the unplugged dizzy back in and hit the key. I'm hoping I see drips out my rockers.

 

[ozcrusier]

Free good 2f in coffs if you need it cult

 

[cult45]

Free good 2f in coffs if you need it cult

Thanks oz, but I don't reckon this one's dusted

 

[cult45]

Propped a can of old but non-sludgey oil under the pickup, seated the dizzy and cranked. No oil up top. I assume it's supposed to come out of these holes in the rocker arms?

A few questions that I'm hoping one of the experts can answer..

1. Does the oil system have to be pressurised, therefore me dipping the pickup in oil and cranking is a fruitless exercise?
2. If this ^ test ISN'T fruitless, that means my oil system is blocked or broken somewhere between the pickup and the rocker assy?
3. If this is the case then should I pull the side cover?

 

[gmayer]

It will only allow oil to flow to the head between 3 and 4. The engine needs to be turning over to find this spot. The system is not pressurized. If you had a bucket you would be able to pump from the pickup. Likely your rockers are full of sludge, as is your rocker shaft. Possibly the rocker tower that feeds the oil is plugged. Don't bother dropping the pump at this time. Pull your rocker assembly and clean the aforementioned parts, make sure to remove the plugs from the end of the rocker shaft and run a brush thru it. Was your head gasket installed correctly. If not , it could block flow to the head.
Once the rocker assembly is off, I would try to get oil to the head again, before putting it back on.
Best of luck

 

[ozcrusier]

Cult
I would be checking all the mains and big end rod bearings if it was my engine. If they look OK I would strip the oil pump and go from there.
The offer of the free engine is still their mate. I wouldn't rush your decision just yet.

 

[cult45]

@gmayer thanks very much. Is the rocker assy something I can reassemble with ease or does it require SST's or a torque wench? Sorry, just new to touching engine internals.

@ozcrusier me old, thanks heaps. I'm hoping to not need it. It sounded pretty good when I cranked it sans plugs, dizzy, rocker cover and pan. I thought for sure I would have heard damaged parts easier then as opposed to over the sound of the engine running?

 

[gmayer]

Ditto on the rod and main bearings. If you don't have a torque wrench, you need to buy one. Was the distributor properly seated ? You also need a manual. The Haynes manual is helpful.
I sounds like you siezed your rod and mains from oil starvation to me. Once it cooled off you were able to turn it by hand.
Good luck

 

[cult45]

'Oh hey, Cult, rocker assembly oil delivery pipe crew here. About three months ago we stopped delivering oil up top. Forgot to mention it, my bad. Basically there was a split or two and the oil just haha stopped getting up there! Crazy! Anyhoo, just though I'd let you know. Hope nothing got hurt. Regards, Oil Delivery Pipe Crew.'

 

[cult45]

Ok so let me start again without the smart arsed response haha.

Did a lot on the truck today.
1. Pulled, cleaned, checked the operation of and reinstalled the oil regulator. New gasket. No found obstructions.
2. Pulled, cleaned and cleared for blockages the oil filter lines. No obstructions.
3. Pulled, drained and cleaned the oil filter. No obstructions.
4. Pulled, drained and tested oil pump. Works a treat. Didn't pull apart as it functions as it should (based on my limited knowledge).
5. Disconnected rocker assembly oil delivery pipe and blew compressed air into rocker assy. 8 of 12 rockers are clear enough for air to escape via drain holes. Initially it was only two that allowed air out, but since the camshaft only allows oil through every second revolution (The oil that is being supplied to the head passes through one of the cam journals via a drilled hole. So oil is only pushed to the head 2 times every cam revolution. The amount of oil volume to the rocker assembly is low. With this low volume it take some time for the engine to fill the rocker shaft and have oil dripping out every rocker) from here: (https://forum.ih8mud.com/threads/no-oil-to-head-in-73-fj40-f-engine.194784/) I had to crank the engine to open the others up. As I did, the first two closed off again. That and the equal air pressure escaping for each drain hole allows me to assume here is no blockage in the rocker assy.
9. Pulled the side cover and discovered the kinked and split pipe.

Now I'm off to find a replacement...

 

[andrews520]

Good that you found a problem...and it's an easy fix. A couple of olives, which were an imperial size (3/16??) and some copper tube. 10 minute job! Did mine when I was rebuilding the engine...

 

[cult45]

Andrew to the rescue! Thanks mate I'll head down to Bunnings to try my luck!