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Christian406

Camshaft seal "popping" out & leaking

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Christian406

Hi,

 

I have a 205 CTI-90 1,9 XU9J1 engine (105HP).

 

After changing the cam sealing I have a oil leak and the seal is slightly popping out.

 

What could I do to prevent this ?  Reason for the problem ?

 

Thanks for any advice

 

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Gohn

damaged seal ? or

damaged seal seat or

incorrect installation of the seal maybe ?

not sure what's preventing a good seal but "popping out" doesn't sound right

you could try tapping around it gently to see if you can get a nice even fit

but I think I'd be removing it

the seal may be in good condition and not the cause of the problem

but removing it for inspection is likely to damage it so have a new one ready

(this is annoying I know as you've already just spent money on the first one)

if you have to damage the seal to get it out that's ok, but dont get frustrated and damage the seal seat

once its out have a proper inspection of the seal seat to make sure its clean and sound

lubricate both the seat and the OD and ID of the seal

if you have a good fitting drift that puts pressure on the outer ring of the seal only use that to tap it all the way home all round

I've also used an old seal with a piece of wood across it

sometimes a small piece of some nice soft flat wood can also work but just do a bit at a time

if they go in right, those cam, crank and driveshaft type seals are all pretty reliable

so give it another go

 

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DamirGTI

As above , incorrect installation , or wrong size seal  , or excessive crankcase pressure .

 

Socket which is about the dimension of outer end dia/size of the seal is handy for drifting the seal in the housing ,

smaller dia. seals are easy to fit , with bigger ones need to be more careful to install it in center within the housing . 

 

D

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Tom Fenton

Henry had a problem with this, he thought it was down to pattern seals being slightly down on outside diameter.

 

What you could do is either glue it in with loctite bearing fit, or heavily centre punch round the external face to nip the housing diameter in slightly.

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welshpug

I do recall one of the pug tuners did a retainer for the seal.

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mollisk

Longman engines had an aluminium  plate fitted to retain the seal. I believe that they are available from Brett Simm.

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