ARB RD158 - Manual (Page 24)

4 Installing the Air Locker
22
NOTE : Do not spray this soapy mixture inside the differential.
 Check that leaky fittings have been adequately tightened.
 Disassemble, clean threads, and reapply thread sealant if leaking
persists.
 If a leak is found at the seal housing, carefully remove the seal
housing assembly and examine the O-rings. Be very careful with
the O-rings and check for defects, damage, wear, or presence of
foreign material in the O-ring grooves. Replace if necessary.
4.11 Reinstalling the Axles
 Insert both axles fully into the housing and gently tap them inward.
NOTE : Be careful not to damage the axle oil seals with the
spline of the axle.
 Reassemble the brakes, differential and wheels to the vehicle
according to your vehicle’s service manual.