1 introduction, Tool-kit recommendations, Tools – ARB RD90 User Manual
Page 6: Supplies

1 Introduction
4
1.2
Tool-Kit Recommendations
Below is a list of tools and supplies you may need to complete this 
installation. Requirements for your vehicle may vary. Please consult 
your vehicle service manual for additional recommendations. 
1.2.1
Tools
c Standard automotive sizes (metric and/or imperial) of sockets,
wrenches, Allan keys, and drills.
c A dial indicator or other suitable measuring tool for checking ring &
pinion backlash.
NOTE : Split ‘clamshell’ type Toyota differential housings
require a long series dial indicator to check backlash. 
Refer to Section 1.3 Vehicle Type Identification. 
c A razor knife for nylon tubing. 
c A torque wrench (See vehicle service manual for required torque 
range)
c A lubricant drain reservoir. 
c A slide hammer for removing CV axles. 
c Suitable measuring tools to measure a differential for preload 
shimming. (e.g., an automotive feeler gauge)
c A 11.2mm [7/16”] drill and ¼”NPT tap for bulkhead fitting
installation.
c An automotive bearing puller (2 jawed) or a differential carrier
bearing puller.
c A bearing press or arbor press.
1.2.2
Supplies
c Thread lubricant/sealant compound (e.g., LOCTITE #567) 
c Thread locking compound (e.g., LOCTITE #272) 
c A gasket sealant or replacement gasket for your differential. 
c A sufficient volume of differential oil to completely refill your 
housing. (see the ARB Air Locker Operating and Service Manual 
for recommended lubricants) 
c A soap and water mixture to test for air leaks. 
c Teflon paste. 
c A selection of differential bearing shims to set-up preload and 
backlash.
