New crankshaft seal leaking
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New crankshaft seal leaking
I've replaced the belt end crankshaft seal on the 1.9 TD Xantia while doing the cambelt as it was weeping slightly. When I ran up the car before putting it all the covers and bits on I noticed its still leaking and worse than before!
Removed the crankshaft sprocket and its leaking from the inside section of the seal all the way around. Must admit I can't remember if I put grease/oil on the inside. I'm assuming this could be the root of my problem
Surely though, the oil that has now leaked past should have made up for the potential lack of grease/oil I put in or could it be more that I've damaged the seal by not fitting with lubrication?
I'm going to replace it first thing, MOT test is at 1.15pm, hopefully I should be able to get it all back together for then!
I guess I'm just looking for thoughts more than anything else!
Removed the crankshaft sprocket and its leaking from the inside section of the seal all the way around. Must admit I can't remember if I put grease/oil on the inside. I'm assuming this could be the root of my problem
Surely though, the oil that has now leaked past should have made up for the potential lack of grease/oil I put in or could it be more that I've damaged the seal by not fitting with lubrication?
I'm going to replace it first thing, MOT test is at 1.15pm, hopefully I should be able to get it all back together for then!
I guess I'm just looking for thoughts more than anything else!
Kev
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Re: New crankshaft seal leaking
Did the inner seal face prehaps flip outwards from fitting it dry kev and therefore not seal correctly. Id have smeared oil on the inner face if not grease....
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Re: New crankshaft seal leaking
That's a good thought.citroenxm wrote:Did the inner seal face prehaps flip outwards from fitting it dry kev and therefore not seal correctly. Id have smeared oil on the inner face if not grease....
Raises another questions, for the purposes of the crankshaft seal, is oil or grease more effective?
Kev
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Re: New crankshaft seal leaking
Id use oil kev and the same one thats in the engine.. just for the sake of it...
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Re: New crankshaft seal leaking
One important thing to note with more modern cars that use a PTFE seal is that the seal must be fitted absolutely dry, without even a trace of oil, and the seal must be allowed to settle, so allowing it to mould to the shape of the shaft, for at least 4 hours before the engine is run. Of course, a 98 Xantia is hardly likely to use such technology, but worth knowing all the same!
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Re: New crankshaft seal leaking
Worth noting none the less!Bob L'eponge wrote:One important thing to note with more modern cars that use a PTFE seal is that the seal must be fitted absolutely dry, without even a trace of oil, and the seal must be allowed to settle, so allowing it to mould to the shape of the shaft, for at least 4 hours before the engine is run. Of course, a 98 Xantia is hardly likely to use such technology, but worth knowing all the same!
Do these PTFE seals look visibly different?
Kev
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Re: New crankshaft seal leaking
The damage on your Nitrile seal may be caused by it inverting, or heating and wearing on start up due to being dry.
I lube seal and shaft with the oil that box is using. Nicks or groove in steel shaft can cause tearing of rubber.
Sometimes it is possible to get a seal with double lip to replace a single lip one. These double ones are better, especially if you have any groove made from a single lipped seal. The double will generally sit in a different spot to the groove or wear. If you have no groove or wear, the standard single lip Febi or Corteco seal will do.
I lube seal and shaft with the oil that box is using. Nicks or groove in steel shaft can cause tearing of rubber.
Sometimes it is possible to get a seal with double lip to replace a single lip one. These double ones are better, especially if you have any groove made from a single lipped seal. The double will generally sit in a different spot to the groove or wear. If you have no groove or wear, the standard single lip Febi or Corteco seal will do.
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Re: New crankshaft seal leaking
With regard to the new seal leaking, was it made by reputable manufacturer? I ask as many years ago, I fitted new seals to BX DTR's camshaft, supplied by a company that did head repairs, and they leaked. Not messing about, I then fitted the genuine seals from Citroen, and no leaks. So I've been a bit wary of pattern products ever since.
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Perhaps this would be an easier way to go. I always used Comma seak'n seal but it's no longer available, this is an alternative from a different maker.
http://www.captaintolley.com/
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http://www.captaintolley.com/
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Last edited by RichardW on 30 Nov 2015, 12:22, edited 1 time in total.
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Re: New crankshaft seal leaking
I've had another look and there's a decent scratch on the crankshaft, looks like its leaking past. Not sure if I can be doing with replacing the crankshaft this time of year so I'll consider my options.
Kev
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Re: New crankshaft seal leaking
How deep is the scratch Kev?
You'd be surprised how well an oil seal can seal even on a slightly damaged surface..
Have you a picture at all?
You'd be surprised how well an oil seal can seal even on a slightly damaged surface..
Have you a picture at all?
Jim
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Re: New crankshaft seal leaking
I've fitted a second brand new seal today and this one is also leaking. It's a fairly deep scratch, guess I could try filing it down a bit as I've nothing to lose?
I've heard about this chemical metal, has anyone had experience of using that?
Whatever I do it's going to have to wait as I don't think my scratched up hands or mental health can deal with it at present!
I'll have to stick with driving the 605 until I'm ready to have another go. Funny really, this time last year and the year before the 605 was trying my patience and the Xantia was the trooper. This year its the other way around!
I've heard about this chemical metal, has anyone had experience of using that?
Whatever I do it's going to have to wait as I don't think my scratched up hands or mental health can deal with it at present!
I'll have to stick with driving the 605 until I'm ready to have another go. Funny really, this time last year and the year before the 605 was trying my patience and the Xantia was the trooper. This year its the other way around!
Kev
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Re: New crankshaft seal leaking
That's a shame Kev
The surface needs to be smooth and if you can fill the scratch with chemical metal and make the surface as smooth as the surrounding you should be OK...
Don't attack the seal face with a file as this might make deeper scratches and flat which will then never seal...
Rub down the chemical metal only with fine wet and dry used dry...
Good to know the 605 is being good now... How's the XM?
The surface needs to be smooth and if you can fill the scratch with chemical metal and make the surface as smooth as the surrounding you should be OK...
Don't attack the seal face with a file as this might make deeper scratches and flat which will then never seal...
Rub down the chemical metal only with fine wet and dry used dry...
Good to know the 605 is being good now... How's the XM?
Jim
Runner, cyclist, time triallist, duathlete, Citroen AX fan and the CCC Citroenian 'From A to Z' Columnist...
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Re: New crankshaft seal leaking
Just got the short gear linkage to replace on the 605 (just arrived in at the local dealer) as its being secured with cable ties at the moment and then it will be perfect again!
The XM also has an oil leak...suspected crankshaft seal but on the gearbox side! That's sitting on the drive awaiting some warm weather!
The XM also has an oil leak...suspected crankshaft seal but on the gearbox side! That's sitting on the drive awaiting some warm weather!
Kev
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