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Author Topic: URGENT oil pressure stop engine  (Read 206392 times)

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #390 on: March 24, 2016, 08:07:05 am »
Im going to take the engine off tdc and try to turn the inlet cam first. If that works then it will be a case of setting the crankshaft and exhaust camshaft at tdc aftsr that

Offline Dan_FR

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Re: URGENT oil pressure stop engine
« Reply #391 on: March 24, 2016, 08:12:52 am »
You won't be able to turn the inlet cam with the engine at TDC more than once, as you will then get valve contact with whatever valves are not bent. You will need to rotate the crank so that all 4 pistons are level in the bore - take the plugs out and drop a long screwdriver down in to the hole and use that to judge when the pistons are all about level, and none are at TDC.

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Offline r5gtt

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Re: URGENT oil pressure stop engine
« Reply #392 on: March 24, 2016, 08:30:23 am »
What I said @Dan_FR regarding crank and pistons @Peskyjones

level meaning half way up the bore.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #393 on: March 24, 2016, 08:38:20 am »
Thanks guys, I will try this tonight.

My only worry will be setting the timing up once I've managed to turn the inlet cam.

Say I manage to get the inlet cam so the notches are vertical. Then I will need to rotate the engine at the crankshaft again so that both the crankshaft and exhaust camshaft are at TDC again before refitting tensioner and chain. Will this not push the inlet cam I've set at TDC out of timing again? Will the notches being vertical mean that the inlet cam is at TDC on cylinder 1, in timing with the other shafts? Surely the notches will be vertical twice for every rotation, potentially I could set the crank and exhaust camshaft at TDC, and the inlet with the notches vertical, but its not correctly timed?

on a side note, I had my mate with me yesterday so tried to loosen the adjustor off whilst I had someone to hold the bit in the adjustor. I took the inlet cam notch out of the tool and inserted it so it was just holding the exhaust cam. Then my mate held the bit in the adjustor whilst I tried to pull it.

Unfortunately it has bent one of the bolts that secures the cam locking tool into the cylinder head. I think I will just need to replace the bolt with a similar bolt so not that big of a deal. I think it bent because I didn't have the other notch installed pushing against the inlet cam.

I think I could just use one of the valve cover bolts, and then replace it later?

Offline r5gtt

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Re: URGENT oil pressure stop engine
« Reply #394 on: March 24, 2016, 08:44:59 am »
Take the t belt off pesky as the cams will be inline and crank will be out so you'll have to set the timing back up anyway.
Replace the bolt with a similar one bolt a problem.
I recall doing this as I was in a similar situ like yours. rover 400 springs to mind.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #395 on: March 24, 2016, 10:26:26 am »
Ok so I  would have to remove and refit a new timing belt, time everything up just to do a compression test?

Perhaps I should just CUT the cambelt off, remove the camshafts and do the compression test with no camshafts in.

Then I guess ill have to start removing the head (after confirmation of bent valves), and then fit a new cambelt etc once I have a new head.

Offline r5gtt

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Re: URGENT oil pressure stop engine
« Reply #396 on: March 24, 2016, 10:50:33 am »
Y9u could chop the belt buy it'd personally slacken it and rotate the crank with belt loose and re time it up just to check what's what for the time being.

Offline dazza

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Re: URGENT oil pressure stop engine
« Reply #397 on: March 24, 2016, 11:26:01 am »
Cant you turn the crank and have a mate turn the inlet cam with the tool from the locking kit?

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Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #398 on: March 24, 2016, 11:32:48 am »
Yeah could do. With the cambelt still on? That would turn the exhaust camshaft as well as the crankshaft as im trying to turn the inlet?

Then once ive got the inlet cam notches vertical, keep turning the crankshaft back to TDC, check the the exhaust camshaft is at TDC as well.

This works in theory, but once the inlet is at TDC then continuing to turn the crankshaft might push the inlet out of TDC

Offline dazza

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Re: URGENT oil pressure stop engine
« Reply #399 on: March 24, 2016, 11:37:12 am »
Worth a try.. Means you dont have to touch the cam belt at the moment.

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Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #400 on: March 24, 2016, 12:26:08 pm »
Yeah if I can get the compression test done without touching the cambelt that would be great. I'll go ahead with what was discussed above without touching the cambelt and see how it goes.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #401 on: March 24, 2016, 08:35:21 pm »
I rotated the crankshaft and got the inlet to spin all the way round. I lined it up by eye and put the tool in, although the tool still had some play forwards and backwards. I tried turning the adjustor bolt but it just rotates the camshaft, even with the cam locking tool.

It seems like the tools prongs need to be further apart, although I know others have used it ok. It must be because the chain isnt on.


Offline r5gtt

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Re: URGENT oil pressure stop engine
« Reply #402 on: March 24, 2016, 08:41:48 pm »
I was browsing and came across these on ebay.

231834627004

Offline doylebros

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Re: URGENT oil pressure stop engine
« Reply #403 on: March 24, 2016, 09:12:23 pm »
I rotated the crankshaft and got the inlet to spin all the way round. I lined it up by eye and put the tool in, although the tool still had some play forwards and backwards. I tried turning the adjustor bolt but it just rotates the camshaft, even with the cam locking tool.

It seems like the tools prongs need to be further apart, although I know others have used it ok. It must be because the chain isnt on.
When you were pulling down on the power bar if the tool has failed the way I expect you'll of  felt it give when you were applying the force.
Take the locking tool back out - Look at the tool and see if it's bent the pins on the locking bar so that they've been force apart,if so all is not lost .

Offline Dan_FR

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Re: URGENT oil pressure stop engine
« Reply #404 on: March 24, 2016, 09:39:31 pm »
Right..... I'm lost. What are you trying to do? Time it up i.e. fit a new chain?
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