Insufficient tightening of the TR6 factory oil filter bolt and/or use of more than one (1) filter sealing neoprene "O" ring, can promote ...
All to Preserve and Drive the Triumph
Tag: leak
To prevent final drive/differential housing pressurization and subsequent pinion and inner axle shaft oil seal/gasket leaks ...
To prevent rear axle internal air pressure build-up and subsequent axle shaft and pinion oil seal by-pass/leakage