Series 50 – Section 25.4 Restricted Air Cleaner Element

Section 25.4
Restricted Air Cleaner Element

To determine if a restricted air cleaner element is causing lack of power, perform the following:‪

1. Remove the air filter element from the air cleaner container; refer to OEM guidelines.
2. Visually inspect the air cleaner element for damage or clogging.
   1. If no damage or clogging is found, check the charge air cooler; refer to "25.5 Restricted or Cracked Charge Air Cooler or Leaking Intake Manifold" .
   2. If damage or clogging is found; refer to "25.4.1 Air Filter Element Replacement" .

Section 25.4.1
Air Filter Element Replacement

Perform the following to replace the air filter element:‪

1. Remove and replace the damaged or clogged air filter element; refer to OEM guidelines.
2. Verify air filter element replacement; refer to "25.4.1.1 Test the Engine with Replaced Air Filter Element" .

Section 25.4.1.1
Test the Engine with Replaced Air Filter Element

Perform the following to determine if the new filter element resolved lack of power:‪

1. Start and run the engine.
2. Test drive the vehicle to ensure lack of power has been resolved.
   1. If no lack of power occurred during the test drive, no further troubleshooting is required. Shut the engine down.
   2. If lack of power occurred during the test drive, shut the engine down. Check the charge air cooler; refer to "25.5 Restricted or Cracked Charge Air Cooler or Leaking Intake Manifold" .