Mazda MX-3 silhouetteMX-3

Engine Speed Sensing Power Steering — Support Yoke / Adjusting Cover / Tie Rod

N-41prose procedure

Engine speed sensing power steering — support yoke, pinion preload via adjusting cover, tie rod installation.

17. Support yoke

  1. 1
    (1) Secure the gear housing in a vise so that the support yoke position faces upward.
    Line drawing of installing the support yoke, pressure pad, and yoke spring into the gear housing secured in a vise with the support yoke position facing upward. Disassembled parts shown to the right.
  2. 2
    (2) Apply grease (lithium base NLGI No.2) to the rack sliding surface of the pressure pad, then install it in the housing.
  3. 3
    (3) Install the support yoke.
  4. 4
    (4) Install the yoke spring.

18. Adjusting cover

  1. 1
    (1) Set the rack in the center position.
  2. 2
    (2) Apply sealant to the adjusting cover.
  3. 3
    (3) Set the SSTs and a torque wrench against the adjusting cover.
    Line drawing of setting the SSTs and a torque wrench against the adjusting cover. Tool labels '49 H032 321A' and '49 D032 316' are shown.
  4. 4
    (4) Tighten the adjusting cover to 9.8 N·m {100 kgf·cm, 87 in·lbf}, then loosen it.
  5. 5
    (5) Tighten again to 4.5—5.3 N·m {45—55 kgf·cm, 40—47 in·lbf}, and then return it 45°.
  6. 6
    (6) Measure pinion torque with the SST and a pull scale.
    Line drawing of measuring pinion torque with the SST and a pull scale. Tool label '49 0180 510B' is shown.
  7. 7
    (7) If not within specification, repeat steps (5) through (6).
  8. 8
    (8) Apply thread sealant to the threads of the locknut.
    Line drawing of using the SST to tighten the locknut on the adjusting cover. Tool label '49 H032 321A' is shown.
  9. 9
    (9) Use the SST to tighten the locknut.
Center of rack ±90°Pull scale reading: 1.0—1.2 kgf {2.2—2.6 lbf}
1.0—1.3N·m {10—14 kgf·cm, 8.7—12.1 in·lbf}
At other positionPull scale reading: 1.7 kgf {3.7 lbf} max.
1.6N·m {17 kgf·cm, 14.7 in·lbf} max.
Tightening torque (adjusting cover locknut)
490 - 569N·m

19. Tie rod

  1. 1
    (1) Secure the rack in a vise.
    Line drawing of installing the tie rod onto the rack with the rack secured in a vise and a wrench.
  2. 2
    (2) Install the tie rod onto the rack.
Tightening torque (tie rod)
1206 - 1393N·m

Search Manual

Search pages, specs, and procedures