Q: How to disconnect the OSS sensor on a Ford Ranger?
A: Disconnect the cable from the negative battery terminal. Raise the vehicle and place it securely on jackstands. On 4WD models, remove the front driveshaft. The OSS sensor is located on the upper left side of the transmission, at the rear. Note that on some later models, there are three speed sensors on the upper left side of the transmission. The OSS sensor is the rear one. Disconnect the electrical connector from the OSS sensor. Remove the OSS sensor retaining bolt. If you're planning to reuse the old OSS sensor, remove and discard the old 0-ring. Before installing the new 0-ring, lubricate it with petroleum jelly. Installation is the reverse of removal. Be sure to tighten the OSS sensor bolt securely.
Q: How to disconnect and replace the ISS sensor on a Ford Ranger?
A: Disconnect the negative battery terminal and raise the vehicle on jack stands. Disconnect its electrical connector and remove the retaining bolt. If reusing, discard the old O-ring and lubricate the new one. If installing a new sensor, lubricate its O-ring. Reverse these steps for installation.
Q: How to disconnect and remove the TSS sensor in a Ford Ranger?
A: Disconnect the cable from the negative battery terminal. Raise the vehicle and place it securely on jackstands. The TSS sensor is located on the left side of the transmission. Detach the shift cable from the cable bracket, then remove the bracket for access. Disconnect the electrical connector from the TSS sensor. Remove the TSS sensor retaining bolt. If you're planning to reuse the old TSS sensor, remove and discard the old 0-ring. Before installing the new 0-ring, lubricate it with petroleum jelly. Installations the reverse of removal. Be sure to tighten the TSS sensor bolt securely.