How to service the Secondary Air Injection Pump on GMC C2500?

Service of the air injection pump starts with bracing removal from the fender and cowl and disconnection of electrical connectors from the air pump , air solenoid valve , and Relay . Start the procedure by disassembling the hose clamp on the air shut-off valve hose then disconnecting the hose from the valve unit. The vacuum line needs to be taken out of the air solenoid valve before you can remove the air pump assembly hold down fastener and block. The procedure begins with post-release of the air pump rubber mounting posts from the pump then follows removal of hoses from the air pump before taking out the pump itself. Install the air pump so it rests on the rubber mounting posts then link the hoses to their respective points on the pump. Install the air pump assembly into the vehicle followed by fixing the air pump assembly hold down block together with fastener and applying 25.0 n.m (18 lb ft) torque to the fastener. Fasten the hose to the air shut-off valve by using a hose clamp. After connecting the electrical pins to the air pump and air solenoid valve and air pump Relay you can install the vacuum hose to the air solenoid valve. Reinstall the brace to the fender and cowl before performing a system test of the air system.

OEM GMC C2500 Secondary Air Injection Pump

Secondary Smog Air Injection Pump

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8 Secondary Air Injection Pumps found

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GMC C2500 A.I.R. Pump
Part Number: 7842812
Product Specifications
- Other Name: Pump Assembly Air Injection; Secondary Air Injection Pump; Pump, Air Injection Reactor Pump And Multi - Function Air Compressor; Pump, Air Injection Reactor Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7849832
Product Specifications
- Other Name: Pump Assembly-Air Injection; 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:
- 1988-1990 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7843607
Product Specifications
- Other Name: Pump Assembly, Secondary Air Injection; Secondary Air Injection Pump; Pump, Air Injection Reactor Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C2500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7835394
Product Specifications
- Other Name: Pump; Secondary Air Injection Pump; Pump, Air Injection Reactor Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C2500 | Base | 6 Cyl 4.1 L GAS, 6 Cyl 4.8 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7849833
Product Specifications
- Other Name: Pump Assembly-Air Injection; 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:
- 1991-1993 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 7.4 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7849167
Product Specifications
- Other Name: Pump Assembly-Air Injection; 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:
- 1988-1993 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 7842361
Product Specifications
- Other Name: Pump Assembly, Air Injection; Secondary Air Injection Pump; Air Injection Reactor Pump & Multi-Function Air Compressor.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
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GMC C2500 A.I.R. Pump
Part Number: 10240806
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:
- 1996-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS

GMC C2500 Secondary Air Injection Pump

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GMC C2500 Secondary Air Injection Pump Parts Questions & Experts Answers

A.I.R. Pump
10240806
Q: How to service the Secondary Air Injection Pump on GMC C2500?
A: Service of the air injection pump starts with bracing removal from the fender and cowl and disconnection of electrical connectors from the air pump , air solenoid valve , and Relay . Start the procedure by disassembling the hose clamp on the air shut-off valve hose then disconnecting the hose from the valve unit. The vacuum line needs to be taken out of the air solenoid valve before you can remove the air pump assembly hold down fastener and block. The procedure begins with post-release of the air pump rubber mounting posts from the pump then follows removal of hoses from the air pump before taking out the pump itself. Install the air pump so it rests on the rubber mounting posts then link the hoses to their respective points on the pump. Install the air pump assembly into the vehicle followed by fixing the air pump assembly hold down block together with fastener and applying 25.0 n.m (18 lb ft) torque to the fastener. Fasten the hose to the air shut-off valve by using a hose clamp. After connecting the electrical pins to the air pump and air solenoid valve and air pump Relay you can install the vacuum hose to the air solenoid valve. Reinstall the brace to the fender and cowl before performing a system test of the air system.

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