Injector Questions - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source.

• Injector Questions by Quantum TD on 14 Aug, 2008 00:05
• So, I'm braving the injector rebuild for the first time. I acutally haven't decided if I'll buy rebuilt, or rebuld them myself. I get parts at cost, so that will be a factor.
  
  My question is this:
  
  Is there any reason why VW lists a a different nozzle (and rebuilt injector) between the Mechanical 1.6 NA and the Hydraulic 1.6 NA?
  
  The reason I ask, is because I need injectors for a 1987 Hydro 1.6 NA, and the nozzles cost $18. each. But the nozzles for the 1.6 Mechanical NA are only $8.
  
  If they're the same, then I'll probably rebuild and save some change buying the cheaper nozzles. But if I have to use the nozzles specified for the Hydro motor, the  I might just buy rebuilts.
  
  Any clue to the difference? Breaking pressure?
  
  Thanks
• #1 by rabbitman on 21 Oct, 2010 21:41
• Bumpity bump because I'm wondering too and I'm sure someone knows .
  
  Why different nozzles for hydro and mech?
• #2 by Mark(The Miser)UK on 22 Oct, 2010 04:51
• Quote from: rabbitman on 21 Oct, 2010 21:41

  Bumpity bump because I'm wondering too and I'm sure someone knows .
  
  Why different nozzles for hydro and mech?
  

  No reason at all. Batches, counter-productive 'progress' 
• #3 by vanbcguy on 22 Oct, 2010 11:50
• Probably doesn't make a difference, but didn't we all figure out the precup size had changed between the original mech head NA and the hydraulic head NA?  Might explain the difference in nozzle part number...
• #4 by bigbillyboy on 22 Oct, 2010 15:06
• where is the best place to buy nozzles?  I want to rebuild mine...
• #5 by Mark(The Miser)UK on 23 Oct, 2010 06:56
• Quote from: bigbillyboy on 22 Oct, 2010 15:06

  where is the best place to buy nozzles?  I want to rebuild mine...
  

  
  A scrap yard, from a frontal victim. Get German/French ones.  All for the price of one, or less
• #6 by rabbitman on 23 Oct, 2010 12:14
• Quote from: bigbillyboy on 22 Oct, 2010 15:06

  where is the best place to buy nozzles?  I want to rebuild mine...
  

  
  Rockauto has real bosch nozzles for like $11.53 each, the problem though is they make you buy 'em in packs of 10 so it's $115.30 for 10. Or you can pay 12.91 and get 'em each.
  
  That's for mech heads. Hydro nozzles cost $22.99 each.
• #7 by vanbcguy on 25 Oct, 2010 12:14
• Canadians can get hydro nozzles for about $12.00/ea:
  
  http://parts.autopartsonlinecanada.com/parts/apocanada/wizard.jsp?year=1986&make=VW&model=JET-D-001&category=D&part=Diesel+Inj.+Nozzle
  
  http://www.autopartsway.ca/autoparts2/index.cfm?fetch=part~ID=1984~Volkswagen~Jetta%20Diesel%201.6%20L4%20Turbo~240709
  
  ...or fully rebuild injectors for about $45.00/ea
  
  http://www.autopartsway.ca/autoparts2/index.cfm?fetch=part~ID=1984~Volkswagen~Jetta%20Diesel%201.6%20L4%20Turbo~240708