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First of all, the "Air Pump" is actually
called the "Secondary Air Injection (AIR) Pump". Here are the
instructions to replace it. To Remove AIR pump:
1 - Turn OFF the ignition (just in case you forget).
2 - Raise the vehicle & remove the left-front wheel (for easy access).
3 - Remove the left front fender liner. You have to do this to get to the pump.
4 - Loosen the pinch clamp on the secondary air injection (AIR) exhaust pipe hose.
5 - Disconnect the AIR exhaust hose from the AIR pump.
6 - Disconnect the AIR pump electrical connector.
7 - Remove the AIR pump from the bracket.
Installation is the reverse of the removal process.
The secondary air injection (AIR) system helps reduce exhaust
emissions. The purpose of the AIR Pump is to force fresh filtered air
into the exhaust stream. This is to accelerate catalyst
operation.
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