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- Sep 14, 2008
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looks good, dunno if anyone mentioned it here but i've come past some thread that it's more beneficial to actually giving an oil pump pulley bolt a tack of weld as they can come loose, it did on my mates cupra couple weeks ago, so far that the bolt cracked the sump open
Thats mostly due to people not tightening them up properly after removing the sprocket to remove/replace the pump... never had a factory pump do this on an engine I have built...
You can wiggle the pump on and off with the sprocket in place especially on a new build engine like Prawns but if you find you need to remove it then make sure the bolt is tight...
http://workshop-manuals.com/audi/a3...tion_system/removing_and_installing_oil_pump/
This is much like the interneterised information about the crank trigger wheel needing welding... this is again due to people not realising that both the wheel and the bolts are onetime use... once removed for whatever reason (some engine shops have been known to do this for balancing) they are toast... refitting them inevitably leads to their demise along with some of your engine...
IE used to ship stroker cranks with the trigger wheel removed but supplied new bolts... this is probably where the myth started as reusing the original wheel would lead to its failure..
Use a new wheel and new bolts you won't have an issue..
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