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Author Topic: Valve stem seals  (Read 2811 times)

tennesseeguy

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  • Posts: 24
Valve stem seals
« on: November 22, 2009, 12:44:00 PM »
Hey guys, i just installed valve stem seals and replaced everything, new headgaskets intake gasket and exhaust gaskets,. I started the car and it has a miss at idle, but it runs fine when i drive it down the road. It sounds like a vaccumm leak but all the hoses that i can see are fine. I checked the timing sevral times, everything is perfect would anyone know why it has this miss, thanks.
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bryanknight

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  • Posts: 300
    • 91 foxboy modified, 91 capri xr2 modified,
Valve stem seals
« Reply #1 on: November 23, 2009, 01:41:00 PM »
i did the same thing man and had my head redone and my car ran bad for a couple days before it started runing like it did before... i thought it was timing to but it just started running right one day expect for starting it has never started the same but runs and idles fine... have you been driving it ??
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tennesseeguy

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Valve stem seals
« Reply #2 on: November 24, 2009, 12:45:00 AM »
iv not drove it  whole lot, but im begining to wonder if one of the valves isnt seating right. I might drive it a few days and see if it clears up.
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tennesseeguy

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Valve stem seals
« Reply #3 on: November 27, 2009, 12:23:00 PM »
Well i removed the head and seated the valves, and it still doing the same thing, if anyone has any info i would appreciate it, thanks.
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tennesseeguy

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Valve stem seals
« Reply #4 on: November 28, 2009, 06:48:00 AM »
Well i got everything fixed today runs like a new one.
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Gostlrs

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Valve stem seals
« Reply #5 on: November 28, 2009, 08:49:00 AM »
what was it..?
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

tennesseeguy

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  • Posts: 24
Valve stem seals
« Reply #6 on: November 28, 2009, 09:50:00 AM »
Well this is gonna sound stupid, but i had to make my own valve spring compressor, i took a 3/4 inch pipe and cut one side of it out, and then i took a 24 inch slide clamp to compress the springs. Well little did i know the clamp was hitting the spark plugs and completly closing the gap on the plugs, so once i took the plugs out and regapped them it was fine. I am glad i took the head back off because the valves really needed seating. Needless to say i learned a valuable lesson this time around.
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Gostlrs

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Valve stem seals
« Reply #7 on: November 28, 2009, 12:59:00 PM »
internal engine work is something i want to learn myself. i have not had to do any of it yet..knock on wood..but i want to learn and do it at my own pace..LOL
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

tennesseeguy

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  • Posts: 24
Valve stem seals
« Reply #8 on: November 28, 2009, 01:34:00 PM »
Iv done some internal work, iv rebuilt a 302, 351, 2.3 and a 4.0. Its really intersting to tear one down and rebulid it, you will learn alot when you start doing it.Im all the time learning something new on an engine.
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