https://www.lrsoc.com/forum/forum_files/ServiceBulletin2C3.pdf 5166 – 2/C3 GEARBOX: WATERPROOFING BELL HOUSING
https://www.lrsoc.com/forum/forum_files/ServiceBulletinX2.pdf 5106 – 1950-51 LAND-ROVER RECOMMENDED LUBRICANTS
https://www.lrsoc.com/forum/forum_files/ServiceBulletinC5.pdf 5145 – C5 GEARBOX: COMPLAINT – Clutch slip/Oil-leak
https://www.lrsoc.com/forum/forum_files/ServiceBulletinC2.pdf 5119 – C2 GEARBOX: DUST PROOFING BELLHOUSING
https://www.lrsoc.com/forum/forum_files/ServiceBulletinB1.pdf 5115 – B1 CLUTCH: CLUTCH SPIN OR DRAG AFTER A NEW ENGINE
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5050.pdf 5050 – TRANSFER GEARCHANGE LEVER JUMPING OUT OF LOW-RANGE
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5047.pdf 5047 – GEARBOX: Leakages from Transfer Box to main Gearbox
