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Always replace the secondary filter element. Never attempt to reuse it by cleaning. The secondary filter element should be replaced at the time the primary element is serviced for the third time. The secondary filter element should also be replaced if the yellow piston in the filter element indicator enters the red zone after installation of a clean primary element, or if the exhaust smoke is still black. |
| NOTICE |
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The filter should be kept in service for no longer than one year. |
| NOTICE |
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Always leave the secondary filter element in place while you clean the air cleaner housing. |
Note: Replace the secondary filter element when you service the primary element for the third time. If a clean primary element has been installed and the filter element indicator still enters the red zone, replace the secondary filter element. Also if the exhaust smoke remains black and a clean primary filter element has been installed, replace the secondary filter element.
- Open the access cover (if equipped).
- Remove the housing cover and the primary element.
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Illustration 1 g00611614 - Remove the nuts that hold the secondary filter element to the air cleaner housing. Do not remove the two nuts that hold the air cleaner housing to the inlet manifold. Remove the secondary element.
- Cover the air inlet opening. Clean the inside of the air cleaner housing.
- Uncover the air inlet opening. Install a new secondary element. Tighten the nuts to a torque of
27 ± 7 N·m (20 ± 5 lb ft) . - Install the primary element and the air cleaner housing cover. Use your fingers to tighten the cover bolts. Do not use a tool to tighten the bolts.
- Close the access cover (if equipped).
