Caddy 1.6D conversion to 1.9 tdi - Are there any guru's out there ??? Post Posted 03 June 2024, 11:56 PM #1674928 (In Topic #243023) jazzydog Old Timer I’m searching for information on replacing a 1.6d with a 1.9 Tdi from a mk3 golf I believe… is it a viable proposition and what is required to make it all happen ?here’s the engine I have…. 0 guests and 0 members have just viewed this: None. Forum home Helllllpppp!!