How to Replace the Secondary Air Injection System Components and Air Injection Pump on Subaru Outback?

To replace the secondary air injection pump on 2006 and later turbo-charged models, disconnect the negative battery terminal, detach the wiring harness from the pump, remove the pump's mounting bolts, disconnect the electrical connector, lift and disconnect the air hose, then remove the pump. Reinstall in reverse order. For the secondary air combination valves, disconnect the negative battery terminal, remove the intercooler, disconnect the electrical connector, and remove the air duct. Unbolt the outlet pipe, discard the old gasket, remove the left and then the right valve. Reinstall with a new gasket in reverse order.

Genuine Subaru Outback Air Injection Pump

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Subaru Outback Pump Assembly SECD Air
Part Number: 14828AA050
$656.03 MSRP: $967.60
You Save: $311.57 (33%)
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Product Specifications
- Other Name: Pump Assembly-Secondary Air; A.I.R. Pump, Air Pump, Pump Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2007-2009 Subaru Outback | GT, GT Limited, XT Limited | 2.5L H4 Turbo

Subaru Outback Air Injection Pump

The Air Injection Pump of the Subaru Outback cars is a part of secondary air injection system, the Subaru Air Injection Pump system that helps to inject the fresh air to the exhaust system. This process supports the oxidation of un-burnt fuel, which will reduce hydrocarbons (HC) and carbon monoxide (CO) emissions. The Outback Air Injection Pump system uses an electric or belt-driven air pump to produce pressurized air; at different times, based on engine temperature and the conditions it is operating under, the pressurized air is directed to the exhaust ports and catalytic converter. The models of the Subaru Outback might have slight modifications of the Air Injection Pump, although the essence will remain the same. Air routing through the system is controlled by the air control valve whereas by diverter valves, one way check valves reduce backpressure in the system as well as exhaust gas prevalence. Routine diagnostics is important because it ensures the system functions optimally, failure may result to high emissions and poor fuel economy.

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Subaru Outback Air Injection Pump Parts Questions & Experts Answers

Pump Assembly SECD Air
14828AA050
Q: How to Replace the Secondary Air Injection System Components and Air Injection Pump on Subaru Outback?
A:
To replace the secondary air injection pump on 2006 and later turbo-charged models, disconnect the negative battery terminal, detach the wiring harness from the pump, remove the pump's mounting bolts, disconnect the electrical connector, lift and disconnect the air hose, then remove the pump. Reinstall in reverse order. For the secondary air combination valves, disconnect the negative battery terminal, remove the intercooler, disconnect the electrical connector, and remove the air duct. Unbolt the outlet pipe, discard the old gasket, remove the left and then the right valve. Reinstall with a new gasket in reverse order.