Corolla Sport RWD L4-1587cc 1.6L DOHC (4A-GE) (1986)
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Governor: Service and Repair
On A43DE type transmissions, the governor is replaced with an electronic rotor sensor.
1.
Raise and support vehicle and remove driveshaft.
2.
Raise transmission just enough to take weight off rear mount, using a suitable jack.
3.
Disconnect speedometer cable and remove cable drive gear assembly.
4.
Disconnect ground strap and rubber exhaust hanger from crossmember, then remove crossmember.
5.
Remove extension housing retaining bolts, extension housing and seal.
6.
Remove outer snap ring and speedometer drive gear from output shaft.
7.
Remove lock ball and inner snap ring, if equipped.
8.
On all except A43DE transmissions, remove governor lock bolt, pry up retaining clip with a suitable lever and slide governor off output shaft.
9.
On A43DE transmissions, remove rotor sensor using a suitable drift and pry drive key from shaft groove.
10.
Reverse procedure to install, noting the following:
a. On A43DE transmission, ensure rotor sensor drive key is properly seated in shaft groove.
b. On all except A43DE transmissions, ensure retaining clip is seated in shaft, torque governor lock bolt to 27-43 inch lbs., then stake lock plate.
c. Renew extension housing and speedometer gear seals as needed.
d. Torque extension housing bolts to 25 ft. lbs.
e. Fill transmission to specified level, then road test vehicle.
