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valve stem seals 

 

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 Post subject: valve stem seals
Posted: Fri Apr 29, 2011 3:19 pm 
Oompa Loompa
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Joined: 14th Dec 2008

Ride: Ford Ef Futura

Location: Brisbane
QLD, Australia

are valve stem seals meant to be really hard to press onto the valve guides? I'm worried about damaging them.
also is there any secret to putting them on?
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 Post subject: Re: valve stem seals
Posted: Fri Apr 29, 2011 4:45 pm 
Getting Side Ways
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Location: FNQ
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I did the seals on my head a couple of weeks ago - and previously did a set over 10 years ago as well.

In short yes they do seem very difficult to get on - and the little feckers will tilt over and sort of try to bind no matter what you do - but they do straighten up as they continue to be driven on.

I place my socket on and then "tap-tap-tap-tap..." - and intially it's always "oh crap, oh crap! - it feels wierd and I can tell it's tilted over!" - but then you feel it pull straight and it's all good.

The ideal tool would be something that has a pilot shaft that goes into the guide with an upper part that shoulders the seal housing and a space for the seal part itself - that would probably make the whole thing less stressful - maybe that's what the proper tool looks like? I just use a socket that shoulders on the housing without hurting the seal itself and then it's just pluck and perseverance. First time I did it I swore I would put a pin punch the right size for a good fit inside the guide down thru the socket until the body shouldered on the socket and do it that way - but when it came to it I just freehanded with a socket again. You might want to try the punch + socket idea? (would need to use a 3/8 drive socket I think).

My ED manual had a caution about not bottoming the seal housing on the top of the guide - my impression is that the proper tool controls how far the seal is driven down onto the guide and stops it just shy of contact - but I've seen an aftermarket manual that simply says drive the seal on until it bottoms.

I personally just go until it's JUST on all the way - I did a set of these seals like that on a brand new EF XR6 head over 10 years ago and it was still running fine last year - and that's the way I did the seals I just did on my EF Gli head.

 

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 Post subject: Re: valve stem seals
Posted: Sun May 01, 2011 3:18 pm 
Oompa Loompa
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Age: 26

Posts: 39

Joined: 14th Dec 2008

Ride: Ford Ef Futura

Location: Brisbane
QLD, Australia

thanks heaps. all sorted :D
now all i have to do is put the cylinder head back on
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 Post subject: Re: valve stem seals
Posted: Mon May 02, 2011 7:02 am 
Getting Side Ways
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Location: FNQ
QLD, Australia

Sweet. I step over the front with my left leg and stand on the driver side part of the K frame with my left foot which leaves me pretty much hunched over the engine and I can just lay it nicely into place.

 

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96 EF Auto GLi - Bilstein Shocks - Adjustable Front sway bar - JMM Cam - TI Perf J3 - TCI 2500/3000 stall converter. 2015 Jeep Cherokee Trailhawk.

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 Post subject: Re: valve stem seals
Posted: Sat Jun 18, 2011 10:04 pm 
Getting Side Ways
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VIC, Australia

well i have stuffed up two of them cant work out how to put them on i feel there way to tight and when i was give them by the shop there all the same colour not like the red ones on the exhaust side
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 1:45 am 
Tyre Shredder
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Ride: 2002 AUII Fairlane Sportsman V8

Location: Roxby Downs
SA, Australia

is there meant to be a special/correct tool to remove/fit these little fockers?
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 2:09 am 
Getting Side Ways
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Location: vic
VIC, Australia

Shen Long wrote:
is there meant to be a special/correct tool to remove/fit these little fockers?

as far as i know i just took mine off with some pliers and i cant get the new one on with out f**k it up i have tryed the 3/8 drive socket and tap tap and it ripped the rubber right of the seal so im not sure now
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 2:11 am 
Tyre Shredder
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Ride: 2002 AUII Fairlane Sportsman V8

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SA, Australia

1) is your head still on the block/car?
2) if yes what method are you using to keep the valve's from falling down into the piston chamber?
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 2:18 am 
Getting Side Ways
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Age: 39

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Ride: EA

Location: vic
VIC, Australia

Shen Long wrote:
1) is your head still on the block/car?
2) if yes what method are you using to keep the valve's from falling down into the piston chamber?

yes my head is still on the block im using a air hose in the spark plug hole to keep valve up
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 2:21 am 
Tyre Shredder
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Age: 42

Posts: 368

Joined: 22nd Aug 2008

Ride: 2002 AUII Fairlane Sportsman V8

Location: Roxby Downs
SA, Australia

what's the name of that part you are using?

i want to go & buy one but i don't know the exact name for it.
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 2:25 am 
Getting Side Ways
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Age: 39

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Gallery: 16 images

Ride: EA

Location: vic
VIC, Australia

as for name of tool is a ABW Pressure hose part number from burson is 70715 $32.10
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 Post subject: Re: valve stem seals
Posted: Sun Jun 19, 2011 3:13 am 
Tyre Shredder
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Age: 42

Posts: 368

Joined: 22nd Aug 2008

Ride: 2002 AUII Fairlane Sportsman V8

Location: Roxby Downs
SA, Australia

thanks for that. will have to go & order one from burson's.
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