Toyota Hilux Surf 1993 Owner's Manual page 597

SUSPENSION AND AXLE –
3. ADJUST RING GEAR BACKLASH
(a) Install only the plate washer on the ring gear back
side.
HINT: Insure that the ring gear has backlash.
(b) Snug down the washer and bearing by tapping on
the ring gear with a plastic–faced hammer.
(c) Hold the side bearing boss on the teeth surface of
the ring gear and measure the backlash.
Backlash (reference): 0.13 mm (0.0051 in.)
(d) Select a ring gear back plate washer, using the
backlash as reference. (See page SA–99)
(e) Select a ring gear teeth side washer with a thickness
which eliminates any clearance between the outer
race and case.
Front Differential (Disassembly and Assembly of
Differential w/ A D D )
SA–97