Installation Procedure
- Install the engine to the transmission. Transmission Replacement
- Place the powertrain and frame assembly on the engine support table.
- Secure the powertrain to the support table using straps and binders.
- With the aid of an assistant, carefully lower the body onto the powertrain assembly.
- Ensure when lowering the body the following items are clear from the frame:
- Vacuum lines
- Steering knuckles
- Electrical wiring harnesses
- Oil cooler lines
- Install the drivetrain and front suspension cradle with the powertrain attached. Drivetrain and Front Suspension Cradle Replacement (LGX - Coupe) , or Drivetrain and Front Suspension Cradle Replacement (LGX - Convertible)
- Remove the engine support table.
Install the 2 lower transmission bolts (1, 2). Transmission Replacement
- Connect the electrical wiring harness retainers to the transmission to engine fasteners and to the transmission case.
- Align the torque converter to flex plate orientation marks made during the removal procedure.
- NOTE:
Torque converter bolts are self-locking and must be replaced with NEW torque converter bolts every time the bolts are removed.
Complete the following steps for all torque converter bolts (1) :
- Rotate the harmonic balancer center bolt clockwise ONLY, in order to align the torque converter bolt holes in the flex plate with the starter opening in the engine block.
- Install all NEW torque converter bolts. Transmission Replacement
Install the transmission close out plug (1).
- Torque Converter Cover- Right Side - Install - Transmission Vent Hose Clip Bracket Replacement
- Install the starter motor. Starter Replacement (LGX)
- Install the left side catalytic converter. Catalytic Converter Replacement - Left Side (LT1, LT4)
- Catalytic Converter@Right Side - Install - Catalytic Converter Replacement - Right Side (LT1, LT4)
- Transmission Fluid Cooler Inlet and Outlet Pipe@Radiator Assembly - Connect [2x] - Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LGX With M13, With 1LE Package) , or Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LGX With M5T, With V03) , or Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LGX With M5T, Without V03)
Front Wheelhouse Splash Shield (4) - Install - Front Wheelhouse Splash Shield Replacement
- Front Compartment Lower Noise Shield - Install - Front Compartment Lower Noise Shield Replacement (Coupe - LGX, LTG)
- Lower the vehicle.
- Engine Coolant Fan Electrical Connector - Disconnect - Engine Coolant Fan Replacement (LGX Without V03) , or Engine Coolant Fan Replacement (LGX With V03)
Air Conditioning Compressor Hose (1) @Air Conditioning Compressor - Connect - Air Conditioning Compressor Hose Replacement (LGX without J6G) , or Air Conditioning Compressor Hose Replacement (LGX with J6G)
Power Brake Booster Vacuum Sensor (1) - Connect
- Evaporative Emission Canister Purge Tube - Install - Evaporative Emission Canister Purge Tube Replacement
Fuel Line (1) @Fuel Feed Pipe - Connect - Fuel Feed Pipe Replacement (LGX at Engine) , or Fuel Feed Pipe Replacement (Fuel Tank To Engine LGX)
Heater Outlet Hose (1) @Radiator Surge Tank - Connect
- Heater Outlet Hose (1) @Heater Core - Connect
Heater Inlet Hose (1) @Heater Core - Connect
- Remove mechanics wire that supported the radiator assembly to the vehicle body.
- Reposition and connect harnesses as necessary.
Radiator Outlet Hose (1) - Install - Radiator Outlet Hose Replacement (LGX without V18) , or Radiator Outlet Hose Replacement (LGX with V18) , or Radiator Outlet Hose Replacement (LGX with KC4 without V18)
Radiator Surge Tank Inlet Hose (2) @Engine Coolant Air Bleed Pipe - Connect
Radiator Inlet Hose (2) @Water Outlet - Connect
{ If equipped }Reposition the heater cord harness and attach the retainers.
- Position the engine harness and attach the retainers.
Install the battery terminal (1) to the jump start post. Battery Negative Cable Extension Cable Replacement (LGX)
- Engine Control Module Bracket - Install - Engine Control Module Bracket Replacement (LT1) , or Engine Control Module Bracket Replacement (LT4)
- Install the engine wiring harness junction block. Engine Wiring Harness Junction Block Replacement
Electrical Connector - Connect@Transmission Control Module - Transmission Control Module Replacement (Except V18) , or Transmission Control Module Replacement (V18)
- Attach the harness retainer (2)
- Install both front wheelhouse liners. Front Wheelhouse Liner Replacement
Air Cleaner Assembly (1) - Install - Air Cleaner Assembly Replacement
- Intake Manifold Insulator - Install - Intake Manifold Insulator Replacement
- Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
- Fill the cooling system. Cooling System Draining and Filling (GE 47716) , or Cooling System Draining and Filling (Static Fill)
- Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement
- If the engine is replaced with a new engine or has been overhauled, perform the Engine Prelubing procedure. Engine Prelubing
- Charge the A/C system. Refrigerant Recovery and Recharging (R-134a) , or Refrigerant Recovery and Recharging (R-1234yf)
- Disable the ignition system.
- Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
- Enable the ignition system.
- Start the engine and listen for unusual noises.
- Check the vehicle oil pressure gauge and confirm that the engine has acceptable oil pressure.
If necessary, install an oil pressure gauge and measure the engine oil pressure.
- Start the engine and run the engine speed at about 1, 000 RPM until the engine has reached normal operating temperature.
- Listen for sticking lifters and other unusual noises.
- Inspect for fuel, oil, and/or other coolant leaks while the engine is running.
- Perform a final inspection for the proper engine oil and coolant levels.
- Align the vehicle. Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment
Prelube is necessary if the engine is replaced or overhauled.