Transmission Replacement

Transmission Replacement (LY7)
Tools Required
- J 35944-A Transmission Oil Cooler Flusher
Removal Procedure

Important: Transmission oil circulates between the transmission assembly and the transfer case. In situations where transmission related failures circulate debris into the transfer case, the transfer case must be disassembled, cleaned, and inspected for damage.

1. Raise and support the vehicle. Refer to Vehicle Lifting.





2. Remove the transmission lower bell housing bolt located between the engine oil pan and the transmission oil pan.
3. Remove the powertrain (engine, transmission and frame) from the vehicle. Refer to Engine Replacement.
4. Remove the filler tube.





5. Remove the transmission bell housing bolts (2).
6. If the vehicle is equipped with all wheel drive (AWD), remove the transfer case brace.
7. Remove the coolant inlet pipe.
8. Remove the transmission mount with the transmission mount bracket.
9. Remove the starter motor.
10. Remove the torque converter bolts.
11. Remove the transmission lower brace.





12. Remove the transmission upper brace nut located behind the power steering pump and above the transfer case.





13. Remove the transmission bolt near the crank sensor and the engine coolant (block) heater.
14. Separate the transmission from the engine.
15. If the vehicle is equipped with AWD, remove the transfer case.
16. Flush the transaxle oil cooler and the transaxle oil cooler hoses.

Installation Procedure

Important: If you are replacing the transaxle, transfer case or any internal components, you must inspect the end play and adjust as needed.

1. If the vehicle is equipped with AWD, install the transfer case.





2. Use the dowel locator pins (1) in order to align and install the transmission to the engine.

Notice:
Refer to Fastener Notice in Service Precautions.

3. Install the transmission bell housing bolts (2).
Tighten the transmission bell housing bolts to 50 Nm (37 lb ft).





4. Install the transmission bell housing bolt near the crank sensor and the engine coolant (block) heater.
Tighten the transmission bell housing bolt to 50 Nm (37 lb ft).





5. Install the transmission upper brace nut located behind the power steering pump and above the transfer case.
Tighten the transmission upper brace nut to 50 Nm (37 lb ft).
6. Install the transmission lower brace.
7. Install the torque converter bolts.
8. Install the starter motor.
9. Install the transmission mount with the transmission mount bracket.
10. Install the coolant inlet pipe.
11. If the vehicle is equipped with AWD, install the transfer case brace.
12. Install the filler tube.
13. Install the powertrain (engine, transmission and frame) to the vehicle. Refer to Engine Replacement.





14. Install the transmission lower bell housing bolt located between the engine oil pan and the transmission oil pan.
Tighten the transmission bell housing bolt to 50 Nm (37 lb ft).
15. Inspect and adjust the transaxle fluid level as needed. Refer to the following information.
^ Transmission Fluid Checking Procedure
^ Fluid and Lubricant Recommendations
^ Capacities - Approximate Fluid