steve5250

New Member

• Mar 1, 2011

• #1

Reads some threads that said 5w/30 for a 300tdi. Then changed oil/filter to 5w/30 now reading some more i read i shoulda used 10w/40 - have i fooked up, got a long drive to scotland coming up so need to know please.

 

The Mad Hat Man

Well-Known Member

LZIR Despatch Agent

• Mar 1, 2011

• #2

No
it just alters the hot and cold perfomance characteristics of the oil slightly......

http://www.castrol.com/castrol/iframe.do?categoryId=9024084&contentId=7044829

read the oil viscosity guide in the Q's and A's section

 

B

Brithos

Member

• Mar 1, 2011

• #3

Yeah it will be fine. Mine is still running on 5w 30 after I went to the Arctic. (Had to change it for -40c!!)
It will increase the chances of you having an oil leek though.