Transmission Speed Sensor: Service and Repair
Revolution Sensor
COMPONENTS
REMOVAL
1. Disconnect the battery cable from the negative terminal.
2. Drain ATF through drain plug.
3. Remove exhaust front tube and center muffler with power tool.
4. Remove rear propeller shaft.
CAUTION: Do not impact or damage propeller shaft tube.
5. Remove control rod.
6. Remove oil pan and oil pan gasket.
7. Check foreign materials in oil pan to help determine causes of malfunction. If the A/T fluid is very dark, smells burned, or contains foreign particles, the frictional material (clutches, band) may need replacement. A tacky film that will not wipe clean indicates varnish build up. Varnish can cause valves, servo, and clutches to stick and can inhibit pump pressure.
^ If frictional material is detected, perform A/T fluid cooler cleaning.
8. Support transmission assembly with a transmission jack.
CAUTION: When setting transmission jack, place wooden blocks to prevent from damaging control valve with TCM and transmission case.
9. Remove engine rear member with power tool.
10. Remove tightening bolts for rear extension assembly and transmission case.
11. Tap rear extension assembly with soft hammer.
12. Remove rear extension assembly from transmission case. (With needle bearing.)
13. Disconnect revolution sensor connector.
CAUTION: Be careful not to damage connector.
14. Straighten terminal clips to free revolution sensor harness.
15. Remove revolution sensor from transmission case.
CAUTION:
^ Do not subject it to impact by dropping or hitting it.
^ Do not disassemble.
^ Do not allow metal filings, etc., to get on the sensor's front edge magnetic area.
^ Do not place in an area affected by magnetism.
INSTALLATION
CAUTION: After completing installation, check A/T fluid leakage and fluid level.
1. Install revolution sensor in transmission case.
CAUTION:
^ Do not subject it to impact by dropping or hitting it.
^ Do not disassemble.
^ Do not allow metal filings, etc., to get on the sensor's front edge magnetic area.
^ Do not place in an area affected by magnetism.
Tightening Torque: 5.8 Nm (0.59 kg-m, 51 inch lbs.)
2. Connect revolution sensor connector.
3. Securely fasten revolution sensor harness with clips.
4. Apply recommended sealant (Genuine Anaerobic Liquid Gasket or equivalent. Refer to "Recommended Chemical Products and Sealants".) to rear extension assembly as shown in illustration.
CAUTION: Complete remove all moisture, oil and old sealant, etc. from transmission case and rear extension assembly mounting surfaces.
5. Install rear extension assembly to transmission case. (With needle bearing.)
CAUTION: Insert the tip of parking rod between the parking pawl and the parking actuator support when assembling the rear extension assembly.
6. Tighten rear extension assembly mounting bolts to specified torque.
CAUTION: Do not reuse self-sealing bolt.
Rear extension assembly mounting bolt: 52 Nm (5.3 Kg-m, 38 ft. lbs.)
Self-sealing bolt: 61 Nm (6.2 Kg-m, 45 ft. lbs.)
7. Install engine rear member.
8. Install oil pan to transmission case.
a. Install oil pan gasket to oil pan.
CAUTION:
^ Do not reuse oil pan gasket.
^ Install it in the direction to align hole positions.
^ Complete remove all moisture, oil and old gasket, etc. from oil pan gasket mounting surface.
b. Install oil pan (with oil pan gasket) to transmission case.
CAUTION:
^ Install it so that drain plug comes to the position as shown in the figure.
^ Be careful not to pinch harnesses.
^ Complete remove all moisture, oil and old gasket, etc. from oil pan mounting surface.
c. Tighten oil pan mounting bolts to the specified torque in numerical order shown in the figure after temporarily tightening them.
CAUTION: Do not reuse oil pan mounting bolts.
Tightening Torque: 7.9 Nm (0.81 kg-m, 70 inch lbs.)
9. Install drain plug to oil pan.
CAUTION: Do not reuse drain plug gasket.
Tightening Torque: 34 Nm (3.5 kg-m, 25 ft. lbs.)
10. Install control rod.
11. Install rear propeller shaft.
CAUTION: Do not impact or damage propeller shaft tube.
12. Install exhaust front tube and center muffler.
13. Pour ATF into transmission assembly.
14. Connect the battery cable to the negative terminal.