Need help fast!! Crank Pulley torque - Performance Forum

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Need help fast!! Crank Pulley torque
Friday, June 30, 2006 3:35 PM
like the topic says what is the torque for the crank pulley? Im talking about the ecotec but if you 2.4 guys know yours that would help put me in the ballpark.


15.4 @ 89mph

Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 3:37 PM
major F'N tight

i think it was a couple hundred ftlbs






Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 3:38 PM
ok thanks. anyone else


15.4 @ 89mph
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 3:55 PM
ive done a few eco's and several 2.4's

pretty much i set my impact as high as it will go , and up the line pressure on my compressor , and make sure its tight as i can get it

dont sit there for a hour trying to make it tighter , but a few good bursts and a solid couple seconds once its semas tight is usually good , ive never had 1 come undone






Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 6:56 PM
I think the 2.4 is 149 ft-lbs no idea on a eco...at least not yet




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 7:15 PM
Looking at the Chiltons manual.
Page 3-26 at the bottom, for the 2.3/2.4L:

Bolt 175Nm or 129 lbs ft plus 90 degrees.
Guess I better tighten mine down a little more.

-M


Remember....syringes go in the RED waste basket.
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 8:02 PM
Thanks for the help guys.I took it to 100ftlbs and buttoned everything back up put about 40miles on it tonite so far so good. The only thing is when the motors is running the bolt that holds the pulley on looks like its off center but the pulley itself spins perfectly has anyone else noticed this?


15.4 @ 89mph
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 8:22 PM
I noticed it on my 2.4L too.

At first I though it was the UD pulley I was using.
But its doing the same thing with the factory pulley.
Drvies fine, no belt or ac shudder noise or anything so I hope its fine.

Hoping the tensoner doesn't need reset though.

-M


Remember....syringes go in the RED waste basket.
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 8:30 PM
yea mine drives fine too. i should have looked at it run before i took it off, but no noise or anything.


15.4 @ 89mph
Re: Need help fast!! Crank Pulley torque
Friday, June 30, 2006 10:03 PM
i think its the washer that is behind the bolt head

they dont seam to be perfect circle round







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