Thread: Weak = leak
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Old Apr 25, 2011 | 09:15 AM
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onehundred80
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From: Ontario
Default Re: Weak = leak
Originally Posted by dtinker
I put mine back together using the old gasket and put RTV around the edge off the gasket just to hold it in place. After it cured it seems to be working fine. I did buy a new gasket later at a MB dealer off I-45 North for $13.39. Besure to do the Throttle reset. Idles very smooth now. Going to get Jerry at Eurocharged to do a re-dyno tune since I have added 74mmTB and K&Ns. If I take the TB off again for any reason I am sure the gasket will have to be replaced. I would also suggest you feel up past the throttle plate where the two parts go together to make sure the two are aligned top to bottom. There is a lot of room for the two parts to be misaligned due to the bolt lineup, the holes are larger than they need to be.
I would move the throttle plate very slowly when doing this as the little electric motor is turned and as there is a compound gear train involved, the motor ends up turning quite rapidly for very little movement of the throttle plate. This puts a heavy load on the small gears, the gear train is why there is throttle lag, as the motor has to spin rapidly and move the throttle plate very little each rev.
Yanking rapidly on the throttle plate could strip a gear.
 
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