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Nothing special about it, just got to install it right. Majority of pulleys that fail is because of bad install. Use someone who has done many crank pulley installs
The bolt should be torqued to 200nm(148 foot/pounds) and wait for 20-30 minutes then the bolt is turned an additional 90 degrees to lock/stretch it.
Make sure it's aligned with the keyway because if it's not you will lose that pulley.
Use a brand new bolt
The keyway can be shredded easily and then you can be in trouble.
Nothing special about it, just got to install it right. Majority of pulleys that fail is because of bad install. Use someone who has done many crank pulley installs
The bolt should be torqued to 200nm(148 foot/pounds) and wait for 20-30 minutes then the bolt is turned an additional 90 degrees to lock/stretch it.
Make sure it's aligned with the keyway because if it's not you will lose that pulley.
Use a brand new bolt
The keyway can be shredded easily and then you can be in trouble.
Thanks for the tip!
where did you have yours done?
Mine was done by Wade at European specialists in Wellington from the previous owner. Many guys have gone to him for crank pulleys and never problems. He was a master tech and foremen at a Benz dealer then left and opened his shop years ago. He still gets calls from dealers to help with certain problems.
Mine was done by Wade at European specialists in Wellington from the previous owner. Many guys have gone to him for crank pulleys and never problems. He was a master tech and foremen at a Benz dealer then left and opened his shop years ago. He still gets calls from dealers to help with certain problems.
i have the 180mm UPD pulley and crank extension from shardul... i had previous pulley failure so i sent my crank to BIP for repair and install the crank extension as well as do a full length keyway... i have put 2500 hard miles on the car since i reinstalled the crank and just rechecked the torque on the ARP bolt, still at 250ft-lbs... i will say that i will never recommend holding the balancer to torque the bolt... i built a tool that bolts to both of the torque converter bolts and interferes with the oil pan, it takes probably 15 minutes to recheck the torque on the bolt...
you can see the orientation on the block here
Last edited by draggbody; Apr 4, 2015 at 06:03 PM.
i have the 180mm UPD pulley and crank extension from shardul... i had previous pulley failure so i sent my crank to BIP for repair and install the crank extension as well as do a full length keyway... i have put 2500 hard miles on the car since i reinstalled the crank and just rechecked the torque on the ARP bolt, still at 250ft-lbs... i will say that i will never recommend holding the balancer to torque the bolt... i built a tool that bolts to both of the torque converter bolts and interferes with the oil pan, it takes probably 15 minutes to recheck the torque on the bolt...
you can see the orientation on the block here
Why would you say that? I think that would be much better than transferring all that twisting load through the crank like your tool does.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
LOL.
