r300csl Posted May 10, 2009 Share Posted May 10, 2009 I think my ZF LSD needs an oil top up. I've read lots in the archives that I should be using an EP90 GL4 oil. My question is, if the diff is currently filled with the Caterham diff oil, can I top it up with a Ford/Comma/Castrol/Redline alternative provided it is the same grade? Also, how frequently should the diff oil be renewed typically? Mine has only covered about 3k miles since it was installed about 3 years ago. Link to comment Share on other sites More sharing options...
Mick Day Posted May 10, 2009 Share Posted May 10, 2009 On my Ford Sierra type diff there is no drain plug. Ford specify life of diff on one factory fill. It's not like engine oil that degrades with combustion products. If it needs a small top up then any GL4 EP90 can be used. If it's lost a lot of oil you need to work out where it's going. 3 yrs 3000 miles is OK & really there is no need to change the oil. In fact my 1st diff went 10 years 35,000 miles when it was swapped for an LSD. Now 5 years on & 9000 miles on the same oil. It'll get an oil change when it needs to come out again. Link to comment Share on other sites More sharing options...
r300csl Posted May 10, 2009 Author Share Posted May 10, 2009 Great, thanks for the help Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now