It's a real bear to get out. Yes, 19mm is the right size. I couldn't even get mine out with an impact wrench. I had the engine out of the car, finally 6' of breaker bar broke it loose.

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'83 240D with 617.952 and 2.88
'01 VW Beetle TDI
'05 Jeep Liberty CRD
'89 Toyota 4x4, needs 2L-T
'78 280Z with L28ET - 12.86@110
Oil Burner Kartel #35

http://i16.photobucket.com/albums/b1...oD/bioclip.jpg