Oils - ATF, TC and Diff - whats best?

[Mattadvance]

God I'm glad I read this thread. I have suspected the belts all along for that 1200 rpm 'groan' noise. Iv'e had it for almost 2 years, and noticed it went when I had the belts replaced just 12 months ago, but returned about a month later. They have obviously slackened a little. Actually it's just one belt with a tensioner pulley isn't it? Anyway, as soon as this damn rain stops, I will be under the hood with the tool kit. Haven't done it before, but after reading another thread on how to do it I think I should be right. Will let you know how I go

[Mattadvance]

You little RIPPER!!!! Took a couple of goes, but the dreaded "groan" now gone. Tis a glorious day!!! :-)

[KWAWD]

Thinking of swapping the Mits Diaqueen for the Redline lightweight shockproof in the rear diff and TC. Read lots of good feedback about it improving smoothness. Anyone know of any problems using it in the AWD? I think its also recommended for the Evo 6, so should be ok as the TC is the same one used on the Evo 6?

[jowet]

I've been running redline lightweight shockproof in the rear diff and TC (+ gearbox) for a few years without issue - it's excellent - smoothed out the whole drivetrain.

[KWAWD]

I've been running redline lightweight shockproof in the rear diff and TC (+ gearbox) for a few years without issue - it's excellent - smoothed out the whole drivetrain.

Great thanks! How often would you recommend changing it?

[jowet]

I'd do it as per service manual to be safe - but redline says you can extend the change intervals with their oils....