mcramsay
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| posted on 6/5/12 at 09:08 PM |
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type 9 oil leak
finally my car has now passed IVA and been registered. i done my first 40 mile drive in it yesterday, only to find that the gearbox was leaking oil.
the oil was coming out the gap between the bellhousing and the engine sump. (its a zetec engine with a type 9 box) i thought it was the input shaft
seal that was gone, but i am now told that there should be a gasket between the bellhousing and where it bolts on to the gearbox, i never fitted a
gasket. so the oil leak is most likely coming from where the gear lever shaft pokes into the bellhousing (so im told anyway!)
anyway i took the engine out today and took a few photos and was hoping for some advice, here are a few pics of the inside of the bellhousing
you can see the oil tracking down between the 6-7 oclock position
im going to remove the gearbox tomorrow and fit the gasket that goes between the bellhousing and gearbox, while the box is out im guessing its a good
idea to change the input shaft seal a the same time, just to eliminate it totally. however i cannot find any technical drawings/ manuals for the type
9 box,
it looks as if the input shaft as a hollow covering shaft covering it that bolts to the front of the gearbox (the round 4 bolt flange on the inner
diameter of the bellhousing. what i wanted to know is is the input shaft seal fitted on the internal race of this cover? and if i remove this cover am
i likley do desturb any paper shims or anything like that? any advice would be great
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perksy
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| posted on 6/5/12 at 09:18 PM |
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There should be a gasket between where the belhousing bolts to the gearbox
It would also be worth fitting a new input shaft oil seal and a new gasket for the nose which was cork on the last one i did
Now the box is out you might aswell treat it to a new rear oil seal aswell
The front seal fits into the back of the nose
[Edited on 6/5/12 by perksy]
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mcramsay
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| posted on 6/5/12 at 09:21 PM |
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i have already done the rear oil seal a few months ago, sods law i should have done the front one at the same time!
i have ordered a new gasket and oil seal set,
so there is nothing behind the nose that i should be worried about?
unbolt the nose, remove it, nock out the oil seal, press in the new one, fit a new gasket on the nose, bolt it up, then fit the new gasket between the
gearbox and bellhousing and bolt up job done?
haha sounds far too easy!
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omega 24 v6
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| posted on 6/5/12 at 09:26 PM |
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Don't want to worry you but I have seen 2 instances in the last 3 weeks of a crack in the casing of these boxes. Both in cars that are heavily
driven. On a duratec install and the other a heavily cammed pinto. Both were fitted with new gaskets as the crack was missed at first.
Hope yours is just a gasket but please check before you put it all back together.
Good luck.
If it looks wrong it probably is wrong.
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perksy
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| posted on 6/5/12 at 09:28 PM |
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Be very careful when refitting the nose
you have to push it on past the splines on the input shaft and you don't want to damage the new
oil seal in the process
I always wrap a bit of masking tape around the input shaft splines and apply some grease
That way the nose and new seal just slides over
I posted a link to an online repair manual for the type 9 a while ago so it might be
worth a search
Take your time, mark things up first if you not sure
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mcramsay
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| posted on 6/5/12 at 09:33 PM |
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thanks for the advice, the box has had an easy life, im pretty sure the box has had an easy life! i definatley have not given it much stick seen as
ive only done one proper drive! i have will do a dye penetrant NDT test on the bellhousing/gbox before i refit it. good tip on the masking tape! its a
bit anoying to have the engine out after my first drive! but i would rather not risk losing all the oil from the gbox and runining it!
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snapper
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| posted on 6/5/12 at 10:20 PM |
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It was me that said gearbox to bellhousing gasket
Change that turn box on its end(blocks under the bellhousing as spigot may hit the ground first.
If it still leaks look at the input shaft seal.
If you don't have a bellhousing gasket and there is gear oil.
Start there don't complicate it to early.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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