Question about Cars & Trucks
2009 1.4tfsi A3
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Posted on Jan 02, 2017
SOURCE: audi a3 1.8t dump valve fitting
A dump valve replaces the recirc valve. Did you see the reply to your prior post on this topic that I put up the other day? You can do it but it'll cost you your catalytic converter and O2 sensors - that has been proven out many times in the past. If you don't care about that and don't mind spending $1200-1500 every year or 18 months to replace those parts, then go to www.audiworld.com or www.audidiy.com and look in the tech areas - there are step by step procedures there that walk you through recirc valve replacment. They'll show you how to fit an aftermarket recirc valve, but you can follow that procedure to do a BOV as well.
Seriously though, as I said before, some cars are fine with BOVs but Audis are not. You're going to cost yourself a LOT of money just for the sneeze sound and slightly slower turbo spool. Your car and money though so it's your decision.
Posted on Oct 19, 2008
TDC has marks on the pulleys and engine block to line up, best bet is to get a haynes manual to show you exactly where. Too complacated to explain where they are on this
Posted on Sep 03, 2009
Just the guide is probably making the noise. So either a new guide or a new chain. I would start with guide first, unless chain looks loose or cruddy
Posted on Sep 16, 2009
found this, and from what I could find it is a non-interference engine:
Posted on Jan 24, 2011
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REMOVAL & INSTALLATION
SOHC Engine See Figures 1, 2, 3 and 4
Fig. Fig. 1: At 90 degrees past TDC, the crankshaft sprocket timing mark and keyway will align with the main bearing cap split line
Fig. Fig. 2: Exploded view of the timing chain and sprocket assembly-SOHC engine
Fig. Fig. 3: Insert the timing pin to ensure that the camshaft is at No. 1 TDC-SOHC engine
Fig. Fig. 4: When the camshaft is at TDC, rotate the crankshaft counterclockwise 90 degrees to achieve TDC
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