Tools Required

Caution: One or more of the following guidelines may apply when performing specific required tests in the work stall:

Important: Ensure the area around the fluid pressure test hole plug is clean before removing the plug. Do not allow dust or other foreign particles to enter the fluid pressure test hole.

1. Inspect the transmission fluid level to ensure that the level is correct. Refer to Transmission Fluid Check .
2. Raise the vehicle and correctly support. All four wheels will rotate. Refer to Lifting and Jacking the Vehicle in General Information.
3. Start the engine and allow the engine to idle until the fan operates.
4. Install a scan tool.
5. In order to connect to desired fluid pressure test hole plug the following is required:

•	Line pressure - Accessible from under the vehicle.

•	5th clutch or reverse clutch - Remove the O2 wire harness bracket.

•	3rd clutch - Accessible from under the vehicle.

•	2nd clutch - Accessible from the topside of the transmission.

•	4th clutch - Disconnect the 4th clutch pressure switch connector. Remove the wire harness bracket bolt.

•	1st clutch or coast clutch - Remove the left side splash shield. Refer to Engine Splash Shield Replacement in Body Front End.




6. Install the J 45542  (3) using the J 45542-3 bolt (2) and 2 sealing washers to the desired fluid pressure test hole recommended in the symptom tables.
7. Connect the SA9127E  (1) to the J 45542  (3).
8. When the test is completed, remove the J 45542 .
9. Install the fluid pressure test hole plug with a new seal. Do not use the seal again.

Tighten
Tighten the test hole plug to 18 N·m (13 lb ft)

1. 4th Clutch
2. 1st Clutch
3. Coast Clutch

1. 2nd Clutch
2. 5th Clutch and Reverse Clutch
3. Line Pressure
4. 3rd Clutch

Line Pressure Test

1. Remove the fluid pressure test hole plug (1).
2. Connect the J 45542 and the SA9127E .
3. Start the engine and operate at 2,000 RPM in the PARK or NEUTRAL position.

Important: If the transmission is not in the PARK or NEUTRAL position the gage may have a higher pressure reading.

4. Measure the line pressure reading and compare the measurement to the following specifications:

Specifications

•	Standard: 900-960 kPa (130-140 psi)

•	Service Limit: 850 kPa (120 psi)

5. If the pressure reading is below the service limit, inspect for the following conditions:

•	Low fluid level

•	Restriction in the automatic transmission filter

•	Faulty torque converter check valve

•	Automatic transmission fluid pump worn or damaged

•	Torque converter faulty

•	Regulator valve body for the following conditions:

-	weak spring

-	stuck valves

-	leaking O-ring seals

5th Clutch Pressure Test

1. Remove the fluid pressure test hole plug (2).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 5th gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the 5th clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

7. If the pressure reading is below the service limit, refer to the table at the end of this procedure for a possible cause.

3rd Clutch Pressure Test

1. Remove the fluid pressure test hole plug (3).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 3rd gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the 3rd clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

7. If the pressure reading is below the service limit, refer to the table at the end of this procedure for a possible cause.

Reverse Clutch Pressure Test

1. Remove the fluid pressure test hole plug (2).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Reverse.
4. Increase the engine speed to 2,000 RPM.
5. Measure the 2nd clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

6. If the pressure reading is below the service limit, refer to the table at the end of this procedure for a possible cause.

2nd Clutch Pressure Test

1. Remove the fluid pressure test hole plug (1).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 2nd gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the 2nd clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

7. If the pressure reading is below the service limit, refer to the table at the end of this procedure for a possible cause.

4th Clutch Pressure Test

1. Remove the fluid pressure test hole plug (2).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 4th gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the 4th clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

7. If the pressure reading is below the service limit, refer to the table at the end of this procedure for a possible cause.

1st Clutch Pressure Test

1. Remove the fluid pressure test hole plug (2).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 1st gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the 1st clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 890-970 kPa (130-140 psi)

•	Service Limit: 840 kPa (120 psi)

7. If the pressure reading is below the service limit, inspect for the following conditions:

•	Faulty 1st clutch piston check valve

•	1st clutch piston O-ring seals worn or damaged

•	Scored or worn clutch hub piston bore

•	1st or 2nd clutch shaft fluid passage O-ring seals worn or damaged

Coast Clutch Pressure Test

1. Remove the fluid pressure test hole plug (1).
2. Connect the J 45542 and the SA9127E .
3. Shift the transmission into Drive.
4. Using the scan tool, command the transmission to shift into 1st gear.
5. Increase the engine speed to 2,000 RPM.
6. Measure the coast clutch pressure reading and compare to the following specifications:

Specifications

•	Standard: 760-830 kPa (110-120 psi)

•	Service Limit: 710 kPa (100 psi)

7. If the pressure reading is below the service limit, inspect for the following conditions:

•	Faulty coast clutch piston check valve

•	coast clutch piston O-ring seals faulty

•	Scored or worn clutch hub piston bore

•	1st or clutch housing fluid passage O-ring seals faulty