Crank pulley came loose f#$@
 

Ok guys hopefully I can get some insight as to how badly I'm screwed well here goes somehow the oem crank bolt came loose so I purchased a new crank bolt as for they only have a single use torque spec tightened it down approx 240 lbs torque and put locktite on it as well after bolt 50 miles I started hearing a tapping noise so immediatly brought back home. After removing the serpentine belt I found out tgat tge crank pulley is loose but the crank bolt is still tight hope I haven't messed the crank up any input guys?

Stock balancer? If so look to see if the outer ring moved in or out

If it hasn't worked itself forward or backward yet, you'll be fine. Get it replaced and grab an ARP crank bolt and a Powerbond balancer. There exists a ton of aftermarket balancers, but a nice powerbond unit will be fine at stock power levels.

I really appreciate yiur guys input I'm not quite sure by seperation is doesn't seem to be but I could ve wrong I took some pictures hope this may help.
https://cimg7.ibsrv.net/gimg/www.cor...e85d46f430.jpg

https://cimg9.ibsrv.net/gimg/www.cor...23087038c0.jpg

See the rubber coming out? How much does it wobble while running?

it wobbled about a quarter inch last i checked now the belt is off still about 1/4 inch left to right?

yes i do see it thank you for pointing that out

Time for a new one.. If you are staying stock the power bond pulley and the ARP bolt is what I would get

That is not correct. The 240 lb-ft is applied to the old bolt during the installation process, which is then removed and replaced with the new bolt. The new bolt is then tightened to 37 lb-ft followed by a 140 degree rotation. That is likely the issue and why it came loose. Question now is if it spun on the crank, and if so, if it damaged the hub of the harmonic damper requiring replacement with a new one. This is a rather precise interference fit so spinning on the crank will cause issues with that fit.


https://cimg3.ibsrv.net/gimg/www.cor...14801f3ec7.jpg

https://cimg4.ibsrv.net/gimg/www.cor...5b3030aaed.jpg

Ok so arp bolt it is with an aftermarket balancer but as far as pinning the crank im not sure? Can one of you guys help me understand this process?

Ok so arp bolt it is with an aftermarket balancer but as far as pinning the crank im not sure? Can one of you guys help me understand this process?

Note that my post above is for stock parts, the ARP bolt is not TTY and uses the ARP lube and a specified torque value. Depending on which aftermarket harmonic dampener you are installing, the key for pinning may already be machined in place to use the ATI pinning kit.

Totally unnecessary with a stock setup.