How to Replace the Secondary Air Injection Pump on GMC Envoy?

The first step for secondary air injection (AIR) pump replacement is to lift up the vehicle. First detach both air pipes from the air reaction pump before removing the Relay from its bracket and breaking the electric connector from the air pump. The installation begins by taking out the air pump from the vehicle after removing its 3 frame securing bolts. After placement of the air pump inside its installation slot position the three bolts on the vehicle frame until torque reaches 20 n.m (15 lb ft). Complete the electrical connector connection to the air pump followed by installing the electrical Relay on the air pump bracket then finalize contact between the air inlet and outlet pipes and the air pump by checking for debris before connection. Finally, lower the vehicle.

OEM GMC Envoy Secondary Air Injection Pump

Secondary Smog Air Injection Pump

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GMC Envoy A.I.R. Pump Part Number: 12574379
$252.47 MSRP: $512.79
You Save: $260.32 (51%)
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Product Specifications
- Other Name: Pump, Air Injection Reactor Pump And Multi-Function Air Compressor; Secondary Air Injection Pump; Pump, Air Injection Reactor Pump And Multi - Function Air Compressor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy A.I.R. Pump Part Number: 10373306
$181.01 MSRP: $324.68
You Save: $143.67 (45%)
Product Specifications
- Other Name: Pump, Air Injection Reactor Pump And Multi-Function Air Compressor; Secondary Air Injection Pump; Pump, Air Injection Reactor Pump And Multi - Function Air Compressor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2009 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS

GMC Envoy Secondary Air Injection Pump

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The GMC Envoy Secondary AIR Pump is a valuable substance to improving the function and dependability of GMC Envoy vehicles manufactured from 1998 to 2009. This innovative pump is a very effective tool for the Steering omission of the above said- where and when it injects fresh air into the exhaust system HC and CO emissions. The Secondary Air Injection Pump is one that sprays air under high pressure towards the exhaust ports and the catalytic converter to enhance the oxidation process of the non burnt fuel. To this end this process emphasizes energy, and at the same time contributes to the safety of the car through lowering the effect on the surrounding environment. This important pump can be fitted to the GMC Envoy models from the first generation, as well as to the more advanced second generation, what provides safe and comfortable driving for different trims such as SLT, Envoy XL and the luxurious Envoy Denali. The role of the Secondary Air Injection Pump in the environmental emissions reduces, good fuel consumption, and the model's famed reliability when maintained frequently. For instance, there is an air control valve and one-way check valves which are added features in the pump that makes it more efficient as well as long lasting. Different automobiles require different additional components for their proper functioning and in case of GMC Envoy it is the Secondary Air Injection Pump that hits the automotive market due to its efficiency and worth in the overall engineering of GMC Envoy.

GMC Envoy Secondary Air Injection Pump Parts Questions & Experts Answers

A.I.R. Pump
12574379
Q: How to Replace the Secondary Air Injection Pump on GMC Envoy?
A:
The first step for secondary air injection (AIR) pump replacement is to lift up the vehicle. First detach both air pipes from the air reaction pump before removing the Relay from its bracket and breaking the electric connector from the air pump. The installation begins by taking out the air pump from the vehicle after removing its 3 frame securing bolts. After placement of the air pump inside its installation slot position the three bolts on the vehicle frame until torque reaches 20 n.m (15 lb ft). Complete the electrical connector connection to the air pump followed by installing the electrical Relay on the air pump bracket then finalize contact between the air inlet and outlet pipes and the air pump by checking for debris before connection. Finally, lower the vehicle.