Toyota Hilux Surf 1993 Owner's Manual page 600

SA–100
SUSPENSION AND AXLE –
6. MEASURE TOTAL PRELOAD
Using a torque wrench, measure the total preload.
Total preload (starting):
Add drive pinion preload
7. INSPECT TOOTH CONTACT BETWEEN RING GEAR AND
DRIVE PINION
(a) Coat 3 or 4 teeth at three different positions on the
ring gear with red lead.
(b) Hold the companion flange firmly and rotate the ring
gear in both directions.
(c) Inspect the tooth pattern.
If the teeth are not contacting properly, use the following
chart to select a proper washer for correction.
Front Differential (Disassembly and Assembly of
Differential w/ A D D )
0.4 – 0.6 N–m (4 – 6 kgf–cm, 3.5 – 5.2 in.–lbf)
Washer thickness