REMOVAL & INSTALLATION
See Figures 1 and 2
- Disconnect the negative battery cable.
- Detach the valve body electrical connector. Failure to disconnect the connector can result in damage to the connector if struck by removal tool.
On 1989-92 vehicles, the switch can best be accessed from underneath.
- Remove the pressure switch with special socket T85P-20215-B or equivalent.
If a new pressure switch is installed, the pump motor relay must be replaced.
- Inspect the mounting O-ring and replace if necessary. Install the switch in the reverse order of removal. Tighten to 15-25 ft. lbs. (20-34 Nm).