'Brian' The 25 - Repairs & Update

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1234dist
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Re: 'Brian' The 25 - Repairs & Update

#16 Post by 1234dist » Sat Feb 23, 2019 9:23 pm

That sounds more like Steve :mouthshut
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Re: 'Brian' The 25 - Repairs & Update

#17 Post by ROVER-25X » Sun Feb 24, 2019 10:00 pm

Thanks to GTI John for moving this to the Project Cars section as I have redirected its focus from a problem
solving topic to a minor project. :clapping
ROVER-25X (2001 1.4 ROVER 25)
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Re: 'Brian' The 25 - Repairs & Update

#18 Post by ROVER-25X » Mon Mar 04, 2019 5:02 am

Small update, we cracked on last Thursday but the weather was not good, rain did slow us up and ended up
stopping us, only a few photos as we were covered in oil and obviously with the rain getting heavy.


Finished cleaning up the block, the surface was lightly sanded and wiped over with brake cleaner, I also got
any oil contamination out the waterways with a syringe, before we finished last week we sprayed and wiped
WD40 in the bores to prevent rust, it had a bonus effect, it lifted up the heavy carbon deposits off the top of
the pistons, quite happy with how it turned out.





Image

Image




Needless to say it got the obligatory thumbs up seal of approval from 'The Steve'. :D





Image






New MLS put in place.



Image





We got the head in place and threw in the new head bolts and out came 'The Steve's'
worst fear, 'The Haynes book of Lies' for the torque settings.




Image




......and that is that really, rain stopped play so when we get stuck in again we will
get more photos and update you all. :wink3
ROVER-25X (2001 1.4 ROVER 25)
ROVER Cabriolet (1997 1.6 K-Series)
ROVER 25XD (2004 2.0TD ROVER 25)
ASTRA TwinTop 1.9CDTi

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Re: 'Brian' The 25 - Repairs & Update

#19 Post by 1234dist » Mon Mar 04, 2019 7:14 am

i'm not seeing the shim layer of the gasket there or is it an early pic :S
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Re: 'Brian' The 25 - Repairs & Update

#20 Post by crepello » Mon Mar 04, 2019 12:21 pm

There seems to be quite a loose definition of 'MLS' in general use. Goes with the times, I suppose, there are no longer any absolute truths.

Detail shots of the construction of some MLS gaskets show more than one steel layer, and often the sandwich is united by eyelet rivets through tabs extending front and rear.
The one in this post matches the BGA one I fitted to my rescue job last autumn. That had a single steel layer, conventional crushable fire rings and a pair of outer moulded
elastomer layers. These were bonded, probably by ultrasonic welding, by pinching them together through small rectangular apertures n the steel layer. These are apparent
in the pics above.

I eventually took the view that this was an upgrade of the elastomer design only, over the older narrow beads of elastomer, and fitted it as the instructions for one of those
in respect of bolt torques. I would suppose this would also mean the restrictions on liner height matching would not apply, though mine was an older closed deck engine where
this concern isn't mentioned. Mine's running OK, after a subsequent thermostat problem was sorted, but hasn't come out of hibernation to be stressed on the road yet.

Now that the engine in the pics is clean, it's possible to see the original gasket was fitted the right way up - the small head coolant holes were on the inlet side like the new one.

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Re: 'Brian' The 25 - Repairs & Update

#21 Post by ROVER-25X » Sun Mar 10, 2019 11:51 pm

1234dist wrote:
Mon Mar 04, 2019 7:14 am
i'm not seeing the shim layer of the gasket there or is it an early pic :S

Just the angle of the photo. :D
ROVER-25X (2001 1.4 ROVER 25)
ROVER Cabriolet (1997 1.6 K-Series)
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Re: 'Brian' The 25 - Repairs & Update

#22 Post by ROVER-25X » Wed Mar 13, 2019 9:35 pm

Hit a snag with this while trying to finish it of in the rain yet again, can never get a break, we
have now fitted the new rad and boxed off the coolant system, old rad was falling to bits but
it has a bad oil leak, The 'Steve' neglected to add seam sealer to the cam rail, this is what
happens when you give a gorilla a hammer and put him in a glass room.

So at some point next week the cams are out to fit it all properly, will update with photos then,
I had a faff on Monday evening and stripped down the rocker of coil packs and accessories. :D

1234dist was omnipresent and assisted via phone as I am a muppet. :laughing2
ROVER-25X (2001 1.4 ROVER 25)
ROVER Cabriolet (1997 1.6 K-Series)
ROVER 25XD (2004 2.0TD ROVER 25)
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Re: 'Brian' The 25 - Repairs & Update

#23 Post by 1234dist » Wed Mar 13, 2019 9:44 pm

The question is only difficult if you don't know the answer
:angel
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Re: 'Brian' The 25 - Repairs & Update

#24 Post by 961tat » Wed Mar 13, 2019 10:55 pm

Use a 'anaerobic' sealant on cam ladder , this means it only cures when it is starved of air so any sealant you get in the oilways will not go off .

:D

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Re: 'Brian' The 25 - Repairs & Update

#25 Post by ROVER-25X » Wed Mar 13, 2019 11:03 pm

I have this, came highly recommended.



Image


Link: https://www.amazon.co.uk/Normfest-2896- ... B00PUI7BW2
ROVER-25X (2001 1.4 ROVER 25)
ROVER Cabriolet (1997 1.6 K-Series)
ROVER 25XD (2004 2.0TD ROVER 25)
ASTRA TwinTop 1.9CDTi

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Re: 'Brian' The 25 - Repairs & Update

#26 Post by 961tat » Thu Mar 14, 2019 8:54 am

I use elring Curil K2 , as long as it anaerobic and the surfaces at burr free and clean ( brake cleaner )no issues I've seen mastic in there before now :scared all that work to save penny's :headbanging

And don't put loads on just a smear in the right places look in the Haynes manual it tells you were to put it :mouthshut

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Re: 'Brian' The 25 - Repairs & Update

#27 Post by ROVER-25X » Fri Mar 15, 2019 3:31 am

Mmmmmmmm, brake cleaner. Image

I have an unhealthy relationship with the stuff. :slapme
ROVER-25X (2001 1.4 ROVER 25)
ROVER Cabriolet (1997 1.6 K-Series)
ROVER 25XD (2004 2.0TD ROVER 25)
ASTRA TwinTop 1.9CDTi

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