importance of dowel pin on crankshaft to flywheel
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From: richardson, tx, US
importance of dowel pin on crankshaft to flywheel
i just did an automatic swap, and changed the plate for the engine from the AT to the engine i'm installing. The crankshaft has the bolts for the flywheel/plate for the AT and a tiny hole for a dowel pin to properly align it. I couldnt get that pin out from the crankshaft, so i just installed it without it.
i know a lot of manual transmission flywheels don't even have that pin, but could it be important for an AT? thanks
i know a lot of manual transmission flywheels don't even have that pin, but could it be important for an AT? thanks
Joined: Nov 2003
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From: Stockbridge, GA
Re: importance of dowel pin on crankshaft to flywheel (mingbling96)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mingbling96 »</TD></TR><TR><TD CLASS="quote">i just did an automatic swap, and changed the plate for the engine from the AT to the engine i'm installing. The crankshaft has the bolts for the flywheel/plate for the AT and a tiny hole for a dowel pin to properly align it. I couldnt get that pin out from the crankshaft, so i just installed it without it.
i know a lot of manual transmission flywheels don't even have that pin, but could it be important for an AT? thanks</TD></TR></TABLE>
The purpose of that is kinda like marking a driveshaft or something.
Its for balanceing purposes. If there was a slight inconsistancy of the makeing of that flywheel, and you took it off, you would want to put it back exactly as you took it off.
That is why you mark driveshafts and stuff on rwd vehicles and such when you take them off.
The pin in this case is what makes sure that flywheel goes back right. You are right when you say that manuals do not have it. They dont. So what I can say is, As long as your bolted up good, you should be fine.
I dont think theres a possiblity that your flywheel/flexplate is that off where it would cause a problem.
i know a lot of manual transmission flywheels don't even have that pin, but could it be important for an AT? thanks</TD></TR></TABLE>
The purpose of that is kinda like marking a driveshaft or something.
Its for balanceing purposes. If there was a slight inconsistancy of the makeing of that flywheel, and you took it off, you would want to put it back exactly as you took it off.
That is why you mark driveshafts and stuff on rwd vehicles and such when you take them off.
The pin in this case is what makes sure that flywheel goes back right. You are right when you say that manuals do not have it. They dont. So what I can say is, As long as your bolted up good, you should be fine.
I dont think theres a possiblity that your flywheel/flexplate is that off where it would cause a problem.
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Joined: Jul 2003
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From: The Zoo,, MI, USA
Re: importance of dowel pin on crankshaft to flywheel (vtecluder97)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtecluder97 »</TD></TR><TR><TD CLASS="quote">The purpose of that is kinda like marking a driveshaft or something.
Its for balanceing purposes. If there was a slight inconsistancy of the makeing of that flywheel, and you took it off, you would want to put it back exactly as you took it off.
That is why you mark driveshafts and stuff on rwd vehicles and such when you take them off.
The pin in this case is what makes sure that flywheel goes back right. You are right when you say that manuals do not have it. They dont. So what I can say is, As long as your bolted up good, you should be fine.
I dont think theres a possiblity that your flywheel/flexplate is that off where it would cause a problem. </TD></TR></TABLE>
Thats not why you mark driveshafts on rwd cars. The reason you do that is because they will wear together, and sometimes if you put it in 180* you will get a cracking or popping noise so you just mark 'em to avoid the chance of that.
Its for balanceing purposes. If there was a slight inconsistancy of the makeing of that flywheel, and you took it off, you would want to put it back exactly as you took it off.
That is why you mark driveshafts and stuff on rwd vehicles and such when you take them off.
The pin in this case is what makes sure that flywheel goes back right. You are right when you say that manuals do not have it. They dont. So what I can say is, As long as your bolted up good, you should be fine.
I dont think theres a possiblity that your flywheel/flexplate is that off where it would cause a problem.
</TD></TR></TABLE>Thats not why you mark driveshafts on rwd cars. The reason you do that is because they will wear together, and sometimes if you put it in 180* you will get a cracking or popping noise so you just mark 'em to avoid the chance of that.
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