Axle Assembly Specifications; Backlash And Side Bearing Preload; Adjusting Differential Bearing Preload - Mazda 1983 RX7 Service Manual

tightening.
Backlash & Side Bearing Preload
1) Place differential case assembly into carrier making sure
index marks on ring and pinion gears are aligned. See Fig. 7. Install
bearing adjusters and bearing caps, then tighten bearing cap nuts or
bolts finger tight.
2) Turn adjusters with a spanner wrench until bearing end
play is eliminated and some backlash exists between ring gear and
pinion. Slightly tighten one bearing cap nut or bolt on each side of
carrier and measure backlash.
3) Mount a dial indicator to carrier flange so button of
indicator contacts one of the ring gear teeth at a right angle. Check
backlash between ring and pinion gears.
4) Using the spanner wrench, turn both bearing adjusters
equally until backlash is as specified in Axle Assembly
Specifications.
5) Differential bearing preload (case spread) is obtained by
tightening both bearing adjusters equally. Tighten adjusters until
distance between pilot sections of side bearing caps is
6.5133-6.5158" (165.437-165.50 mm) on GLC Wagon, 7.3004-7.3033"
(185.43-185.50 mm) on RX7 or 8.485-8.0513" (204.428-204.50 mm) on
Pickups.
Fig. 7: Adjusting Differential Bearing Preload (Case Spread)
When adjusting side bearing preload, care must be taken not to affect
the ring and pinion gear backlash.

AXLE ASSEMBLY SPECIFICATIONS

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Application
Pinion Bearing Preload
GLC Wagon ........................................ 2.6-6.1 (.29-.68)
Pickups ...................................... 11.3-15.6 (1.27-1.76)
All Others ..................................... 7.8-12.2 (.88-1.37)
Side Bearing Preload
GLC Wagon ........................................... 4-9 (.45-1.01)
Pickups ............................................ 4-13 (.45-1.47)
DRIVE AXLE
Article Text (p. 8)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 06:34PM
(1)
INCH Lbs. (N.m)