Top Post Dawg
- Aug 3, 2003
- Saint Paul (ex-San Diego)
- 2003 Golf GL 5-spd, red; 2003 Golf GLS 5-spd, indigo blue; 2003 Jetta TDI wagon, Candy White
I gather that they don't provide a TBN?Blue_Hen_TDI said:2006 Golf TDI
Miles on oil - 10,000
Miles on unit - 70,000
Elf Excellium DID 5W/40 VW 505.01
Iron - 94
Insolubles - 0.4
The iron seems too high, considering that the soot is not that bad.
I don't think driving hard is the cause, but I don't know what is.
I'd suggest testing at 5k but not changing right away. The iron will probably still be high because of residual old oil in the sump.