6.7L Cummins Air Intake System – Charge-Air Cooler – Preparatory Steps
• Use compressed air to clean debris from the outside of the charge-air cooler. • Remove the charge air cooler piping. Refer to Procedure 01 0-019 in Section 1 0.
Category Archives: 6.7L Cummins
6.7L Cummins Air Intake System – Charge-Air Cooler – Temperature Differential Test
Inspect the charge-air cooler fins for obstructions to airflow. Remove obstructions such as a winterfront or debris. Manually lock the shutters in the open position, if equipped. Lock the fan drive in the ON mode to prevent erratic test results. This can be done by installing a jumper wire across the temperature switch. Use INSITE’M… Read More »
6.7L Cummins Air Intake System – Charge-Air Cooler – Pressure Test
Use pressure gauge, Part Number 3823205, to record the air pressure at the inlet of the charge-air cooler. Install the pressure gauge in the 1/8 – inch fitting in the turbocharger compressor outlet elbow. Monitor the intake manifold pressure sensor reading with INSITE electronic service tool, to record the air pressure at the outlet of… Read More »
6.7L Cummins Air Intake System – Charge-Air Cooler – Leak Test
To check the charge air cooler for cracked tubes or header, remove the inlet and outlet hoses from the cooler. The charge air cooler does not have to be removed from the chassis. Use protective caps from the Air Handling Clean Care Kit, Part Number 4919498, to cover the open points on the engine plumbing… Read More »
6.7L Cummins Air Intake System – Charge-Air Cooler – Initial Check
Inspect the charge air cooler for cracks, holes, and other damage. Inspect the tubes, fins, and welds for tears, breaks, or other damage. If any damage causes the charge air cooler to fail the air leak check, the charge air cooler must be replaced. Inspect the charge air cooler plumbing for cracks and other damage.… Read More »
6.7L Cummins Air Intake System – Air Leaks, Air Intake and Exhaust Systems – Initial Check
Leaks in the intake air system are most commonly identified by: • Inspection of piping for cracked or loose clamps • Applying a solution of soapy water in the suspected area and inspecting for bubbles • Listening for a high-pitched whining or sucking noise in the suspected leakage area. Engine intake air must be filtered… Read More »
6.7L Cummins Air Intake System – Air Intake Manifold – Install
If previously taped off, remove the tape from the cylinder head prior to installing the intake manifold. Install the air intake manifold to the cylinder head with a new gasket. Lightly coat the threads of the capscrews with thread sealant, Part Number 382404, to prevent boost leaks. Tighten the capscrews in a criss-cross pattern, starting… Read More »
6.7L Cummins Air Intake System – Air Intake Manifold – Clean and Inspect for Reuse
Inspect the air intake manifold heater for plugging or soot buildup. If plugged , check for the source; turbocharger, air compressor, temperature/pressure sensor, relay, or wiring harness. Soot only covering individual elements is acceptable . Soot bridging the heating elements is not acceptable. Replace the air intake manifold cold starting aid if necessary. NOTE: The… Read More »
6.7L Cummins Air Intake System – Air Intake Manifold – Remove
Remove the remaining capscrews holding the air intake manifold to the cylinder head. Remove the intake manifold from the cylinder head, taking care not to drop any debris into the cylinder head. Use heavy tape to cover the intake manifold opening in the cylinder head to prevent debris from entering the engine.
6.7L Cummins Air Intake System – Air Inlet Connection – Install
Remove the protective caps from the component. Install the air inlet piping and connections. Tighten the attaching clamps. Torque Value: 8 N•m [ 71 in-lb ]