Hi Guys, quick update on this. I had the valve block refurbished and tested. There was an issue with the 4th gear piston and cylinder, which was reamed out and a sonnax item put in its place. However, upon reinstalling the valve block, every...

There’s no longer such a thing as a Sonnax valve body assembly. I would suggest that you send your worn unit to someone like Valve Bodies UK http://www.valvebodyuk.co.uk/ or STA Aylesbury https://www.staautogearbox.co.uk/ who own a Hydra-Test...

Mine was refurbished by a fairly local gearbox specialist around 6 years ago for £1.5k including TC.

Thanks for your input. Will be removing it again and sending to Valve Bodies UK for a refurb.

I have contacted one of their UK distributors who were unable to provide one. However they did helpfully provide me with a company that will refurb my existing one. Seems like the best available option.

Hi Guys, has been a while since I posted here after enjoying L322 ownership for the last 5 years, following years of P38 ownership. I am experiencing the inevitable TD6 gearbox issues, approaching 140k miles. Does anyone on here know where I can...