Oil port threads on back of AAZ head. - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source.

• Oil port threads on back of AAZ head. by Jetmugg on 12 Jun, 2013 20:09
• Can anyone tell me what the threads are for the oil port on the back of an AAZ head?  Are they 1/8 NPT, or 10mm x 1.0 pitch straight threads?
  
  I'm having a little bit of an issue figuring out what kind of fitting (threads to AN fitting) to use at that location.
  
  Steve.
• #1 by Gizmoman on 12 Jun, 2013 20:33
• I don't know of any "oil ports" on the back of an AAZ head.
  The only ports I am aware of (other than intake and exhaust), are both for water.
• #2 by Jetmugg on 12 Jun, 2013 20:50
• You are not looking hard enough then....
  
  I'm describing the "back" of the head as the end opposite the camshaft pulley (driver's side when installed in a US spec vehicle in transverse orientation).
  
  After a little more measuring and test fitting, the threads are 10mm x 1.0.  I think that some folks will use 1/8 pipe, but the threads appear to be straight 10 x 1.0. 
  
  Steve.
• #3 by libbydiesel on 12 Jun, 2013 20:51
• They are straight. 
• #4 by Gizmoman on 13 Jun, 2013 06:40
• Got it - where the sensor is screwed in  DOH!