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Steve H
Firing on two.
Joined: February 27th, 2009, 11:56 pm
Posts: 105
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 Valve Stem Seals I'm about to replace the valve stem seals ( I first asked about this a couple of years ago! Still haven't done it!) In this youtube video. Why is the guy putting PTF tape around the valve stem? And does it really take that much hammering to get it in place? He's taken the spring collar off before installing. Is this the correct way to do it? thanks for comments. https://www.youtube.com/watch?v=IEkl3M3H74g
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| February 14th, 2017, 10:25 pm |
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knightley
Firing on two.
Joined: June 19th, 2010, 8:40 pm
Posts: 761
Location: Kingswood, S.Glos.
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Re: Valve Stem Seals The PTFE tape is to protect the lip of the seal as it passes the groove for the collets.
Seems a bit of a ballache to get the tape off afterwards.
I thought the seals from ECAS used to come with a sleeve to perform the same function, but that maybe a 'false' memory.
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John Jordan
It is a truth universally acknowledged, that a single man in possession of a good fortune must be in want of a d'olly.
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| February 14th, 2017, 11:49 pm |
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Steve H
Firing on two.
Joined: February 27th, 2009, 11:56 pm
Posts: 105
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Re: Valve Stem Seals Thanks Knightley. Obvious when someone pints it out to you!
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| February 15th, 2017, 1:04 am |
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ChrisW
Firing on two.
Joined: February 21st, 2012, 9:01 pm
Posts: 1136
Location: Avranches, Sud Manche, France
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Re: Valve Stem Seals Think when I did it, I put oil on the seal and the valve ( without PTFE) and yes they need to be hit to get them onto the head
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| February 15th, 2017, 2:30 pm |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: Valve Stem Seals Oh no, they don't...  An M10 or M11 deep socket, depending on make, will do the job with a firm, steady push. Also there's really no need to @rse around removing and refitting that little spring on each seal. p.s. Knightley's memory is fine, 'fitting sleeves' always used to be included with every seal kit and it was worth keeping hold of them for use with those kits which don't have them. ChrisW wrote: Think when I did it, I put oil on the seal and the valve ( without PTFE) and yes they need to be hit to get them onto the head
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| February 15th, 2017, 4:33 pm |
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Steve H
Firing on two.
Joined: February 27th, 2009, 11:56 pm
Posts: 105
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Re: Valve Stem Seals Merci Beaucoup a tous!
Ken, I thought the guy was making more of it! my preliminary investigations led me to believe that it wasn't going to be quite a "push fit" but not the amount of hammerwork the guy in the video was doing, but if there was a laod of PTF tape perhaps it need more whacking 'cos it all got puckered up!
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| February 16th, 2017, 9:45 am |
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