Thread: 181 pulley responsible for belt rib cutting problem
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Old Jan 10, 2009 | 08:36 PM
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splinter
Joined: Sep 2007
Posts: 217
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From: Los Angeles
Default Re: 181 pulley responsible for belt rib cutting problem
Sorry to hear of your hardware woes. Drove to work thinking about your nifty stacked pulley arrangement – and how maybe it’ll work on mine – only to return and learn of this major bollocks mucking up the works.

I’d respectfully suggest, as have the others, that you contact LET at once explaining your predicament.
Although their warranty ( http://letmotorsports.com/warranty.asp) expressly absolves them of any responsibility for faulty product or problems arising for those who’ve purchased their hardware/software, it’s incumbent upon you to at least make them aware of your situation. Granted, such exclusions and hold-harmless clauses are performance industry norm. However, perhaps they’ll step up and furnish a correctly-fitting pulley in this instance.
…I had to give mine a few more pumps from the high tq impact to sit right.
Some well-intentioned installation notes to make of what you will.
Published maximum permissible runout specification for the vibration damper is radial 0.5mm/axial 0.3mm. Its bolt is to be torqued to 200 Nm/147 ft-lbs, plus an additional 90 degrees. Installing a new woodruff key (N 006888 005005), seal (A 023 997 84 47), and bolt, aka “screw-vibration absorber to crankshaft” (A 006 990 70 04) while fitting a pulley is sound protocol and inexpensive insurance, IMHO. Part numbers and torque specifications furnished courtesy of Mercedes-Benz’s service literature. Additional documentation available upon request.
 
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