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Author Topic: Oil sump gasket  (Read 5224 times)

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SMD

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Oil sump gasket
« on: 30 November 2012, 18:03:08 »

Received my sump yesterday from andyc but there wasn't a gasket (only silicone) which I'm sure is correct but can someone confirm? andyc was not available today for comment  ;D

The tube of silicone is half the size of your reglular bathroom sealant so wondering if I need to use it all? How long should I leave the silicone to cure before filling with oil? Will the excess silicone on the inside of the pan cause a problem when mixed with oil? How much should I torque the sump bolts?

Thanks
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v6man54deg              Geffd

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Re: Oil sump gasket
« Reply #1 on: 30 November 2012, 18:26:31 »

I worked for the V6 plant on warranty and durability for 13 years, yes later sump supports / pans didn't have a gasket we used silicone sealant - but you need to use the correct one inorder for it to seal correctly - we used loctite 5900 - this is expensive (£30 a tube) but is the dogs 'dangle berries' of sealers - it goes off in a few minutes so by the time you have got the sump back on you can fill it with oil no problem. the torque is 20 NM for the sump support and 8NM for the sump pan yes it does splay out but no problem - just dont forget to seal around the bolt holes.

« Last Edit: 30 November 2012, 18:41:39 by v6man54deg              Geffd »
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V6 problems solved : Worked at the V6 Engine plant for 13 years on durability testing and warranty issues, this job included many trips to Russelsheim, Trollhattan, Michigan, Atlanta,keiserslaughtern.

kevinp58

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Re: Oil sump gasket
« Reply #2 on: 30 November 2012, 18:35:59 »

That would be the proper stuff to seal it then if Andy supplied it and NO you don't use it all unless you want to bung all the oil ways up and starve the engine of oil all you need to do is run a small bead all round the sump, be carefull not to smear it all over the place when you offer the sump up.
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v6man54deg              Geffd

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Re: Oil sump gasket
« Reply #3 on: 30 November 2012, 18:41:00 »

they do sell in on the net you can get smaller tubes with a plunger like a large shringe - the same sealer was used on the cam covers after years of them trying various sealers, vauxhall (dealers) started using the grey GM sealer as used on the vent housing and heat ex changer cover - although this is cheaper it tends to go hard and not as elastic.
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V6 problems solved : Worked at the V6 Engine plant for 13 years on durability testing and warranty issues, this job included many trips to Russelsheim, Trollhattan, Michigan, Atlanta,keiserslaughtern.

SMD

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Re: Oil sump gasket
« Reply #4 on: 30 November 2012, 18:41:43 »

Thanks for the reply. Didn't think to seal around bolt holes  :y the silicone I have is the grey type, the one used for the oil cooler. How late is 'later'. My car is 2001
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v6man54deg              Geffd

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Re: Oil sump gasket
« Reply #5 on: 30 November 2012, 18:43:53 »

thats a later one as we started building them in 1993 and the plant closed in 2004 - the grey can be used but it goes too hard i would i always use the correct factory loctite 5900 as its not a job you want to do every year
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SMD

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Re: Oil sump gasket
« Reply #6 on: 30 November 2012, 18:46:48 »

Shall I put a bead of gunk on both surfaces or would that be excessive. Can you clarify sump supports, would that be the M6 bolts and the sump pan the drain bolt?
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kevinp58

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Re: Oil sump gasket
« Reply #7 on: 30 November 2012, 18:48:21 »

The later ones are the facelift ones the easiest way to tell is they have the front grill on the bonnet, and not separate.
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kevinp58

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Re: Oil sump gasket
« Reply #8 on: 30 November 2012, 18:49:09 »

No just the sump will be enough
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v6man54deg              Geffd

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Re: Oil sump gasket
« Reply #9 on: 30 November 2012, 18:51:05 »

the support is the aluminium part - the pan is the sheet metal part with the drain plug  - pust seal on the part you are fitting but use a good cleaner / de greaser on both parts before applying any sealer
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V6 problems solved : Worked at the V6 Engine plant for 13 years on durability testing and warranty issues, this job included many trips to Russelsheim, Trollhattan, Michigan, Atlanta,keiserslaughtern.

SMD

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Re: Oil sump gasket
« Reply #10 on: 30 November 2012, 19:37:14 »

Thanks fellas, I think all my questions answered.   :y

FWIW, the new pan looks like its one piece of steel with no ally insert. So should avoid this happening again.
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albitz

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Re: Oil sump gasket
« Reply #11 on: 30 November 2012, 19:40:11 »

Alloy insert is attached to the engine.It sits between the bottom of the block and the top of the sump. ;)
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SMD

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Re: Oil sump gasket
« Reply #12 on: 30 November 2012, 19:46:25 »

I'm confused now. I thought the reason for my sump bolt spinning was because the alloy insert (where the bolt goes in) that is spot welded to the sump pan has cracked, hence not coming out.

Is this what you're on about?
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Andy B

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Re: Oil sump gasket
« Reply #13 on: 30 November 2012, 19:50:34 »

I'm confused now. I thought the reason for my sump bolt spinning was because the alloy insert (where the bolt goes in) that is spot welded to the sump pan has cracked, hence not coming out.

Is this what you're on about?

Different bits of ally  ;) ;) ;)

The lower steel sump that you've got a stripped sump plug in is bolted to a large ally upper sump which in turns bolts to the main cast block.  :y :y :y

The lower steel sump can be changed inside an hour or so ......... you'll need to book a week off work for the other bit.  ;) ;)
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albitz

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Re: Oil sump gasket
« Reply #14 on: 30 November 2012, 19:51:51 »

Sorry,I misunderstood. :y
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