2003-07 Hummer H2 V8-6.0L K&N Kit Installation Instructions
1. Turn the ignition OFF and disconnect the vehicle’s negative battery cable.
3. Disconnect the mass air sensor electrical connection.
2. Remove the 8mm bolt that retains then engine cover onto the engine then remove the cover from vehicle.
4. Loosen the hose clamp at the throttle body.
5. Loosen the hose clamp at the mass air sensor.
6. Detach the intake tube from the throttle body and mass air sensor then remove the intake assembly.
NOTE: K&N recommends that customers do not discard factory air intake.
7. Remove the 3 10mm bolts that retain the air box onto the vehicle.
8. Remove the air box from vehicle as shown.
9. Loosen the hose clamp that retains the mass air sensor onto the air box then remove the mass air sensor from the air box.
10. Install the mass air sensor and filter adapter onto the heat shield using the gaskets and hardware provided.
11. Install the edge trim onto the heat shield. Trim if needed.
12. Install the 1/2 long rubber mounted stud onto bracket as shown.
13. Install the 1” long rubber mounted stud onto bracket as shown.
14. Install the rubber mounted stud onto the vehicle as shown.
15. Install the 3 brackets onto the vehicle with the provided hardware as shown. Don’t tighten completely at this time.
16. Install the silicone hose (084053) onto the K&N intakes tube as shown using the supplied hose clamps.
NOTE: The synch bolt in the #400 hose clamp at the throttle body will need to be replaced with the longer synch bolt supplied.
Get pdf 2003-07 Hummer H2 V8-6.0L K&N Kit Installation Instructions