AndyW
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 posted on 23/8/13 at 12:24 PM |
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type 9 rear oil seal - output shaft end
Following on from my small and decent iva fail, I need to look at why my gearbox decided that the oil should be on the outside and all down the
tunnel.
I take it there is an output shaft oil seal, but is it an easy fix from within the tunnel? or box out.
I need to book my iva re-test and must have this done as don't want to go back with more problems.
Any advice very welcome.
Ta
Andy
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adithorp
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| posted on 23/8/13 at 12:37 PM |
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You should just need the prop out then prise the old seal out with a screw-driver. The new one should just press in. A large socket or simlar of a
diameter close to that of the seal should help push it in. Put a smear of grease on the edge to help it go in and around the seal lip to lubricat the
shaft when it goes back. Be careful to keep it square to the hole and not cocked over.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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steve m
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| posted on 23/8/13 at 01:08 PM |
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Before replacing the seal, have you checked the oil level in the gearbox, as it could of been overfilled
and just pumped out the excess?
Thats was probably spelt wrong, or had some grammer, that the "grammer police have to have a moan at
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AndyW
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| posted on 23/8/13 at 01:44 PM |
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quote:
Originally posted by steve m
Before replacing the seal, have you checked the oil level in the gearbox, as it could of been overfilled
and just pumped out the excess?
I will check this first, I filled it so that I just got a trickle out of the plug and it took a litre. It did spit out a load
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Paul Turner
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| posted on 23/8/13 at 02:45 PM |
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Are you sure the leak is from the output shaft seal. The oil level in the box is well below this seal, the bush just in front of the seal relies
simply on a little splash for lubrication and there are channels to return the small amount of oil to the box.
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britishtrident
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| posted on 23/8/13 at 03:18 PM |
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quote:
Originally posted by AndyW
quote:
Originally posted by steve m
Before replacing the seal, have you checked the oil level in the gearbox, as it could of been overfilled
and just pumped out the excess?
I will check this first, I filled it so that I just got a trickle out of the plug and it took a litre. It did spit out a load
On the Sierra 5 speed the level plug isn't really a level plug it is only a filler plug the oil level should be about
25mm/1"/thumb's width lower and the car must be level, but it sounds like the seal is knackered.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Paul Turner
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| posted on 23/8/13 at 04:13 PM |
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quote:
Originally posted by britishtrident
On the Sierra 5 speed the level plug isn't really a level plug it is only a filler plug the oil level should be about
25mm/1"/thumb's width lower and the car must be level, but it sounds like the seal is knackered.
Wrong. That may have been the case with the early boxes but Ford lowered the plug in about 1985 to prevent overfilling and the problems it was
causing. In these later boxes you fill until it runs from the plug but in my Seven with the engine/gearbox alignment I can never get the full amount
in Ford specifies. In the 15 years or so I have been using type 9's never had an issue.
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AndyW
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| posted on 23/8/13 at 08:58 PM |
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OK So,
How easy is it to change and WHAT IS THAT CORRECT OIL LEVEL for a type 9 5 sp please!!!
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David Jenkins
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| posted on 23/8/13 at 09:21 PM |
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I couldn't get a sensible answer to the question of oil level and the filler hole, so I took the lid off the box, sucked all the oil out, and
replaced it with the correct amount of oil (I was changing the oil anyway). The box doesn't have a drain plug, which is why I'd sucked
the oil out with a gadget I'd bought on ebay (looks like a big syringe).
At the same time I modified the lid by adding a brass filler hole, and made a dipstick to match. The dipstick isn't a permanent fitting, I just
take out the plug and insert the dipstick (on which I'd marked the correct level just after I'd filled it with the correct quantity of
oil. The reason for adding the filler hole in the lid is that it's impossible to get to the original filler hole when the gearbox is in the
car.
As for the rear seal - it easy to fit, quite cheap, so if you have doubts then it makes sense to replace it. Just take care when you re-fit the prop
shaft - lots of oil on the shaft end (oooer!) and make sure it goes in straight (oooer again!).
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AndyW
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| posted on 24/8/13 at 08:06 AM |
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Thanks David,
I'm going to fit a new seal anyway just to be safe. Problem is I don't know how much oil is in there now and getting to the top of the box
will be some major taking apart.
I will pop into Burton Power in the week and ask them about oil level and see what they say, got my IVA re-test next week and want it sorted by
then!
Cheers
Andy
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