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Author Topic: URGENT oil pressure stop engine  (Read 189139 times)

Offline rich83

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Re: URGENT oil pressure stop engine
« Reply #480 on: March 29, 2016, 08:49:48 pm »
Ahh yes... that a good idea. easy to mark it up on the adjuster too.  :happy2:

Offline doylebros

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Re: URGENT oil pressure stop engine
« Reply #481 on: March 29, 2016, 08:50:43 pm »
Im starting to think somethings wrong with the timing, I can't get the adjuster back on! Ive marked it and found a reference point and its got to be less then a mm off. I don't really get it, unless it is on! It doesnt feel like its sitting right though. Im thinking I might line it up so its nearly in, take the cam locking tool out and adjut the inlet camshaft slightl with the wrench to get it in.

Hope its nothing serious!
Before you move the locking tool just put the other tool on the inlet cam to help you first they can be tricky.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #482 on: March 29, 2016, 08:51:45 pm »
Haha thats ok. So adjuster is on, had to turn the inlet cam just a smidge to get it to lock in. Didnt take the tool out just turned it a tiny bit to get it on. Compression test soon

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #483 on: March 29, 2016, 08:52:49 pm »
@doylebros exactly what I did and it worked :happy2:

Offline rich83

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Re: URGENT oil pressure stop engine
« Reply #484 on: March 29, 2016, 08:53:42 pm »
Good work pesky  :happy2:

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #485 on: March 29, 2016, 08:57:08 pm »
Is 15lbs really only 20nm on my wrench? Seems very little considering how tight the bolt was. I thought it would be around 150nm

Offline rich83

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Re: URGENT oil pressure stop engine
« Reply #486 on: March 29, 2016, 08:58:04 pm »
its that PLUS a 1/8th turn remember

Offline doylebros

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Re: URGENT oil pressure stop engine
« Reply #487 on: March 29, 2016, 09:00:38 pm »
It's what Rich say that 1/8 turn needs to be done with a 1/2 drive power bar and cleanly done.

Remember what I told you about oil leaks be prepared to make sure it's nice and clean on top of the gearbox area etc before using the starter.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #488 on: March 29, 2016, 09:06:08 pm »
I was just going to leave it as it is, and compression test by hand?

Wont have time to put everything back together tonight because.I want to do it slowly and like you say clean everything

Offline doylebros

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Re: URGENT oil pressure stop engine
« Reply #489 on: March 29, 2016, 09:09:37 pm »
I was just going to leave it as it is, and compression test by hand?

Wont have time to put everything back together tonight because.I want to do it slowly and like you say clean everything

Wise move - remember to put the battery on charge for your return.

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #490 on: March 29, 2016, 09:46:37 pm »
So, compression test done by hand. All four cylinders showed around 30psi. It was hard to tell as I was doing it by myself, and it seemed to change slightly when I repeated them. But all around 30.

Am I wrong in thinking this is a good thing? Am I geyting my hopes up too early :signLOL:

Offline doylebros

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Re: URGENT oil pressure stop engine
« Reply #491 on: March 29, 2016, 09:53:21 pm »
If it turned that's two full revolutions is a good thing - next stage double check all items you've touched and make sure you've left nothing slack or where it shouldn't be.

You'll enjoy your tea tonight  :happy2:

Offline Dan_FR

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Re: URGENT oil pressure stop engine
« Reply #492 on: March 29, 2016, 10:05:05 pm »
Compression needs to be built up with the starter turning to get an accurate reading over several quick turns of the engine.You will not get an accurate result turning it over slowly by hand.

That said - 30 psi is very very low, a healthy engine would be 5-6 times that figure
TFSI... Revo Stage 2+... . WMI.... VCDS HEX + CAN, MPPS, VAG Commander & VAG tacho - South Wales

Offline Pesky jones

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Re: URGENT oil pressure stop engine
« Reply #493 on: March 29, 2016, 10:07:42 pm »
Oh  :sad1: I had it in my head that 2 bar was roughly right. Perhaps it will be better with the starter motor? Is there any hope in the fact that they were all roughly the same?

Offline rich83

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Re: URGENT oil pressure stop engine
« Reply #494 on: March 29, 2016, 10:09:45 pm »
Well.... atmospheric is about 14.7 PSI. Mulitple that by the compression ratio of your engine... 9.8?


14.7*9.8~= 144psi