5-42. REAR TANDEM AXLE AND DIFFERENTIAL-Continued
Check runout of ring gear.
(a) Install a dial indicator on the mounting, flange of the carrier (28). Adjust the dial indicator so
that the pointer is against the back surface of the ring gear (18).
(b) Adjust the dial indicator to zero. Rotate the ring gear and read the dial indicator. The runout of
the dial indicator must not exceed 0.008 inch (0.20 mm).
(c) If runout exceeds specifications, remove the differential case assembly (37) from the carrier
(38). Remove the screws (12) and washers (5) securing the bearing caps (36) to the carrier.
Loosen the retaining rings (3) and lift differential case assembly (37) from carrier (38).
(d) Refer to Cleaning and Inspection and check parts for any problem that causes runout to exceed
specifications. Repair or replace parts as required.
(e) Install the differential case assembly (37) in differential carrier (38). Refer to steps b. (33)
through b. (36) above to install differential assembly (37).
(f) Repeat steps d. (38) (a) and d. (38) (b) above. Repeat as necessary to obtain correct runout of
ring gear (18).