940 L4-2.3L SOHC VIN 88 B230F (1992)
Overdrive Unit, M/T: Component Tests and General Diagnostics
NOTE: Oil pressure can be checked when driving on test rollers or on the road.
1. Remove the plug underneath the control valve and connect pressure gauge P/N 2834.
2. Read the pressure when driving in direct gear at approx. 70 km/h (42 mph). The pressure should be 0.15 MPa (21.8 psi).
3. Engage the overdrive and check that the pressure rises to the specific amout. For more information refer to "Oil Pressures" in Specifications.
4. Disengage the overdrive and check the time taken for the pressure to drop to 0.15 MPa (21 psi). This time must not exceed 3 seconds.
