Oil Cooler: Service and Repair

LINES-OIL COOLER

REMOVAL





1. Raise vehicle on hoist.
2. Drain cooling system.
3. Disconnect oil cooler coolant hoses (1,2).
4. Remove oil filter (3).





5. Remove oil cooler connector bolt (2).
6. Remove oil cooler (1).

INSTALLATION





1. Replace oil cooler seal (1).





2. Lubricate seal and position oil cooler to oil filter adapter, aligning notch (1) to tab (2).





3. Install oil cooler connector bolt (2). Torque connector bolt to 55 Nm (41 ft. lbs.).
4. Install oil filter.





5. Connect oil cooler coolant hoses (1,2).
6. Lower vehicle.
7. Fill cooling system.LINES AND HOSES

REMOVAL

OIL SUPPLY LINE





1. Raise vehicle on hoist.
2. Remove elbow support bracket (4).





3. Disconnect oil supply line (1) flared fitting (2) from brass fitting (3) at engine block.





4. Lower vehicle.
5. Disconnect oil supply line (1) flared fitting (2) from brass fitting (3) at turbocharger.
6. Remove oil supply line.

OIL RETURN LINE
1. Raise vehicle on hoist.
2. Remove the two fasteners securing the oil return line to the turbocharger.
3. Remove hose clamp from oil return line.
4. Remove oil return line from crankcase nipple.

INSTALLATION

OIL SUPPLY LINE
1. If brass fitting was removed from engine block or turbocharger, apply thread sealer to threads and install. Torque brass fitting to 41 Nm (30 ft. lbs.).
2. Position oil supply line to mounting location.
3. Hand start flared fitting at turbocharger.
4. Raise vehicle on hoist.
5. Hand start flared fitting at engine block.
6. Torque flared fittings to 31 Nm (23 ft. lbs.).
7. Install elbow support bracket.
8. Lower vehicle.

OIL RETURN LINE
1. Clean gasket surfaces.
2. Install new gasket.
3. Install oil return line hose over crankcase nipple.
4. Install the two fasteners securing the oil return line to the turbocharger. Torque fasteners to 12 Nm (105 inch lbs.).
5. Install hose clamp for oil return line hose.
6. Lower vehicle.