What Gearbox oil - Manual

[Deano1300]

Hello fellow enthusiasts,

Just looking for a sanity check as to what gearbox oil I should be using for a manual box Series 3. I’m looking to order Castrol Transmax Manual EP 80W-90 GL4. Is this the correct oil? Thanks in advance.

Regards
Dean
Series 3 2+2

[Gfhug]

Quite a few of us use Redline MT90. If you search for these you’ll see very positive views.

Geoff

[Deano1300]

Quite a few of us use Redline MT90. If you search for these you’ll see very positive views.

Geoff

Thanks Geoff, I’m trying to ascertain whether the Castrol EP 80W 90 GL4 is suitable? Thanks

[mgcjag]

S3 Service manual has EP90 for a manual gearbox.....thats assuming you have an original type box.....service manual is a vital tool....it tells you everything about your car......Steve

[Deano1300]

S3 Service manual has EP90 for a manual gearbox.....thats assuming you have an original type box.....service manual is a vital tool....it tells you everything about your car......Steve

Thanks Steve, Looks like I’ve ordered the wrong oil then so will order the EP90 instead. Many thanks. Much appreciated.

[abowie]

If you are not satisfied with your gearbox with the Castrol oil, give the Redline MT90 a go.

I am usually a complete non believer when it comes to one oil being better than another but the MT90 definitely improves the Jaguar box.

[angelw]

Andrew Wrote:

I am usually a complete non believer when it comes to one oil being better than another

Hello Andrew,

In particular for the synchromesh gearbox, the type of oil is quite important. EP additive is important for lubricating the teeth of the gear but too high a level will affect the grip of the balk rings of the synchro hubs and can result in notchy gear changes.

Regards,

Bill

[abowie]

Andrew Wrote:

I am usually a complete non believer when it comes to one oil being better than another

Hello Andrew,

In particular for the synchromesh gearbox, the type of oil is quite important.

Yes I've got you there Bill. You do need to use the correct oil for the job.

I'm just not an "oils ain't oils" kinda guy.