C Chris Kennedy Nov 10, 2025 #1 Hi: Has anyone used synthetic gear oil in a ZF? If so, how did it work? Thanks, /s/ Chris Kennedy
P Lee Patterson Supporter Nov 10, 2025 #2 No. Never needed to try as Butfoy (Roy and Lloyd) and McCall said don't. And every ZF owner that did told me it caused many more leaks. All pain, no gain. 30 years of happy motoring using conventional gear lube.
No. Never needed to try as Butfoy (Roy and Lloyd) and McCall said don't. And every ZF owner that did told me it caused many more leaks. All pain, no gain. 30 years of happy motoring using conventional gear lube.