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How to put on exhaust valve stem

Old Mar 14, 2011 | 06:32 PM
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From: Toms River
Arrow How to put on exhaust valve stem seal

Noob question I know but I need to put one on and its a TIGHT fit, is there a tool to do this or does everybody use just a socket or something and push/tap it down? It's not going down as smooth as ones I've done before (only replacing one on this motor tho), which were for a stang and had different style seals but just wondering is theres a trick to put these on? What tools are used?

Last edited by My03evo; Mar 16, 2011 at 08:18 AM.
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Old Mar 14, 2011 | 06:36 PM
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Old Mar 14, 2011 | 08:30 PM
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From: sc
Use a deep socket (12MM I think) that will just fit around, but not touch the spring. Tap on socket squarely with something heavy and metalic. Listen to the sound, it will change once seated, like - tap, tap, tap, tap, tink
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Old Mar 15, 2011 | 10:21 PM
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Originally Posted by C6C6CH3vo
Use a deep socket (12MM I think) that will just fit around, but not touch the spring. Tap on socket squarely with something heavy and metalic. Listen to the sound, it will change once seated, like - tap, tap, tap, tap, tink
Did that and the seal kept on getting banged up and not going down straight, also had the valve through it a hair enough to help it guide it down square but not enough the valve stem would hit the inside of the socket.

I had only gotten one replacement, got a set today from extremepsi.com and will have a whole set tomorrow so I'll have extras if I mess one up.
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Old Mar 15, 2011 | 11:09 PM
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Rent a valve spring compressor tool? Not really sure wat ur trying to do
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Old Mar 16, 2011 | 06:40 AM
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I think the title should read "How do you install a valve stem seal?"
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Old Mar 16, 2011 | 10:23 AM
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best bet is to rent the tool, Autozone rents them out and you get the full amount back when you return it. better to do it right (with the right tools) the first time.
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Old Mar 16, 2011 | 10:34 PM
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From: Toms River
Originally Posted by barneyb
I think the title should read "How do you install a valve stem seal?"
That's what I meant...

As for the tool from Autozone I don't think they have a tool for the seal, and not sure if they got a spring compressor for OHC motors. I got one made from a modified C-clamp but only works on OHV motors like in my stang. I know a guy with a machine shop I might end up going there, he has a setup on his drill press that pushes the spring down to get the keepers in instead, save me some time goin to autozone and all that.
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