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Author Topic: Valves, 1.9idi and 1.9tdi, are they the same?  (Read 1880 times)

July 21, 2007, 11:06:32 am

subsonic

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Valves, 1.9idi and 1.9tdi, are they the same?
« on: July 21, 2007, 11:06:32 am »
Does anyone know if there is interchangability between the 1.9 idi and tdi cylinder head valves?  I know there are two sizes for the idi, will either of these work in the tdi?  What about the other way around, tdi valves into idi head?  Just wondering about parts availability for 1.9idi heads in the US.  It would be nice to be able to use common parts.
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2009 Jetta TDI Loyal edition, 6-spd. 16V 2.0CR


1985 VW Golf 5-spd, 4-door, 1.6NA  Bought from orig. owner in Savannah with 42,000 miles.
"Making the jump NA to TD" slow but sure.

1980 VW Rabbit LS 5-spd, 4-door 1.6NA almost 450,000miles  RIP
Reply #1July 21, 2007, 10:20:35 pm

subsonic

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Valves, 1.9idi and 1.9tdi, are they the same?
« Reply #1 on: July 21, 2007, 10:20:35 pm »
Lots of lookers.  Any takers?
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2009 Jetta TDI Loyal edition, 6-spd. 16V 2.0CR


1985 VW Golf 5-spd, 4-door, 1.6NA  Bought from orig. owner in Savannah with 42,000 miles.
"Making the jump NA to TD" slow but sure.

1980 VW Rabbit LS 5-spd, 4-door 1.6NA almost 450,000miles  RIP
Reply #2July 21, 2007, 11:41:05 pm

QuickTD

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Valves, 1.9idi and 1.9tdi, are they the same?
« Reply #2 on: July 21, 2007, 11:41:05 pm »
Nope, TDI valves are slightly larger and the stems are slightly longer.
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