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RCZ THP200 transmission oil change.

French Letter

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Hi All, I spent an arduous morning doing the above oil change.
Phew! To get to the filler plug is horrendous. Battery removal was time consuming. Finally at the filler hole and disconnect one of the two gear linkages.

Underneath, easy-peasy. In the attached video the dude removed his cross member. I didn't, as I used a slimmer long socket. Duh!

I would say that about 1.5 litres came out, looking brown, as in the video. No metal filings on the magnet topped plug, but a layer of grunge. I put back 2.2 litres of this stuff.


I am aware that manufactures do not fill tranny boxes to spec fill. Seen it before. They might save half a litre on each car, but if they make 100,000, then that's 50,000 litres!

Took the RCZ for a spin, and yes the shifts are smoother and more precise. It is the precision that I noticed and liked the most. THP200 has just turned over 52,000 klicks (32,500 miles).

 
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RCZIain

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I did mine, but don't recall disconnecting any gear linkages.
Just drained the old oil, using tin foil as a "chute" then popped the cap off the top of the gearbox and filled it back up using a long, flexible tubed funnel.
Didn't change the crush washer either, just torched it red hot then refitted it.
 

Verbaliser

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Just did mine today (156). Just took intake bit with the cowl off and could just reach filler. Linkage not necessary to remove, just gives you a bit more room to get filler cap off. Put 2l of fuchs sintofluid (£20). Re-used the crush washer - just flat it on some fine grade sandpaper
 

Bobby D

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Changed my Automatic gearbox oil at the weekend. Used Triple QX ATF. Copied the procedure used by Volvo mechanic on Utube. (Flushed it through three times.)
 

RCZ-R

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I also strongly recommend to change gearbox's oil on a regular basis.
I did it twice on my R, despite claims from Pug it is a lifetime fill not required to be changed. Yeah right, thank you.

The cogs are not the weak spot in a gearbox. They will run almost forever, even with bad oil or hardly any oil. But the bearings suffer the most. They need a clean and "healthy" oil (where the additives are still doing their work).
 
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