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Sealing Sump


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#1 _MAWLER_

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Posted 20 June 2006 - 08:42 PM

Hey guys, I've had to remove my sump yesterday in order to replace my starter motor. When I say remove I mean the engines still in the car and I just undid it and moved it foward a litte bit, so its hanging there on the crossmember waiting to be bolted back up. Because of this I won't be using a new gasket and was wondering about how well the old one will seal. The gasket is all still in good shape, it didn't break and is infact still stuck firmly to the block, so I think there is a good chance of getting the sump back on without pinching or moving the gasket in any way.

My question is, will the gasket still seal effectively or should I be adding some sort of make-a-gasket stuff in there as well? My fear is because of the difficult postion of the sump etc. that I would drop some goo into the sump, something I certainly don't want to do.

Which way should I jump, just use the gasket and hope it seals or take the risk of dropping something in the sump addint some sealer stuff?

Cheers,

#2 _torana_

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Posted 20 June 2006 - 09:40 PM

why did you remove your sump to replace your starter motor? You should only have to remove the gearbox inspection cover, not the sump. Sounds like you have made extra work for yourself.

None the less, if you broke the seal, i would be using some kind of silicon, just make sure there is no oil where you put the silicon otherwise it wont stick.

cheers julian

#3 _MAWLER_

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Posted 20 June 2006 - 10:27 PM

High energy sump. Can't remove one of the bolts because the sump hangs to close underneath the starter, hence just undoing the sump and sliding it forward, only needed about 10mm is the annoying part.

#4 _munro_

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Posted 21 June 2006 - 12:42 AM

if the gaskets not crushed or britle use a silicone based engine sealant
i personally prefer the permatex range

cheers tom

#5 TORLX8

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Posted 21 June 2006 - 05:31 PM

I too have been down this road before, and changing the gasket can be done with the motor still in. (308 LX)
I didn't want to use the old gasket as it already had oil leaks and was old and brittle.
I removed the engine mounts and lifted the motor up as far as possible with an engine hoist. Even doing this, there isnt a lot of room with the sump dropped.
But managed to scrape out the old gasket with a razor blade. Just got to angle the blade so all the old gasket falls out, not back into the sump.
The new gasket was a 4 piece one, with the cork sides and rubber front and back.
I lightly coated those with the permatex and bolted it back up.
I was a bit worried the gasket might not be lined up somewhere and I would still have oil leaks, but it has been fine.
Even though it was a pretty fiddly job, it sure bet having to take the whole motor out.

#6 _MAWLER_

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Posted 22 June 2006 - 06:01 PM

Alright, looks like adding a bit of permatex might be the way to go. Slow and steady does it and hopefully no gaffs.

#7 _J&S Racing_

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Posted 22 June 2006 - 06:14 PM

I can't remember what it's called but i used some stuff that you can get from Holden, it's like thick honey and very very sticky I have used it on all my cork gaskets and they never ever leak again it's fantastic stuff.

Not much help hey, sorry.

#8 _TORANR AMORE_

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Posted 22 June 2006 - 06:20 PM

There are a few types of gasket goo/sealant/cement or whatever you wanna call them that you can get specifically for this job. I used one on my engine (can't remember the brand and type at the moment, I 'm not at home) and it's not silicon based (I don't think) and if it gets into the sump its supposed to dissolve or break down with the hot oil I'm told. It does however take a long time to set, but it does the job well and, YES you will have to use something like this otherwise it'll be oil leaks as before.
I'll get back to you on what I used, but all I can remember at this stage is I got it from Autobarn.

Edited by TORANR AMORE, 22 June 2006 - 06:22 PM.


#9 _LJ355_

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Posted 22 June 2006 - 09:39 PM

What a bastard job just for a starter !

Edited by LJ355, 22 June 2006 - 09:41 PM.


#10 _MAWLER_

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Posted 23 June 2006 - 04:31 PM

You got that right mate, prick of a job, extractors and sump had to be taken off just to get the starter out. It better last for years, thats all I can say.

Thanks Rick, I'd be interested in that name, sounds like the sort of product I'm after.

Peace,

#11 _torana_

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Posted 23 June 2006 - 06:35 PM

didnt think of the energy sump issue. What a bummer!
Luckily , a sump gasket isnt a monthly fix.

ive used permatex as well ( aviation sealer ). If it stops planes falling out of the sky its gotta be okay for cars.

another option i use is silicon ( oil resistant ) and give everything a coating and then do the bolts up fingertight overnight and wipe of the excess. Next day do them up tight and it works a treat.

best of luck
cheers julian




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