Pressure Test

Special Tool(s):

The special tests are designed to aid the technician in diagnosing the hydraulic and mechanical portions of the transaxle.

Pressure Test

Pressure Tap Location:

CAUTION: If the pressure is low at stall, do not continue with the test or further transaxle damage will occur. Do not maintain wide open throttle (WOT) in any transaxle range for more than 5 seconds.

This test verifies that the pressure is within specification.

1. Connect a pressure gauge to the appropriate pressure tap.
2. Start the engine and check the pressures, see the pressure charts to determine if the pressures are within specification.

Clutch and Brake Pressure Chart

Clutch And Brake Pressure Chart:

Pressure Diagnostic Chart

Pressure Diagnostic Chart:

3. If the pressure is not within specification, install a new main control valve body.
4. If the pressures are OK, clear all DTCs. Test drive vehicle, code could be intermittent. If DTC returns, install a new valve body.