What is the purpose and operation of the EGR Vacuum Solenoid and EGR Valve on Chevrolet Caprice?

The system reduces exhaust-emitted nitrogen oxides by recirculating a portion of the exhaust gas. The EGR valve, on the intake manifold, is central to this system. Two EGR valve types exist: negative and positive backpressure. It's inactive at idle and during deceleration, controlled by a thermal vacuum switch. EGR issues can cause rough idling and performance. To inspect, ensure the diaphragm plate moves freely and observe engine speed changes when manually depressed. Examine vacuum lines for blockages. Test the thermal vacuum switch with a gauge, replacing if faulty. For EGR valve replacement, disconnect vacuum hose, remove, and install a new valve with a gasket. For the switch, drain coolant, remove, and install a new one.

Genuine Chevrolet Caprice EGR Vacuum Solenoid

EGR Valve Vacuum Solenoid

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10 EGR Vacuum Solenoids found

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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997223
$37.05 MSRP: $119.21
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Product Specifications
- Other Name: SOLENOID, Emission Control System; Solenoid, Vacuum Control Solenoid
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Caprice | CLASSIC 4 DOOR, CLASSIC STATION WAGON, LS 4 DOOR | 8 Cyl 4.3L, 8 Cyl 5.7L
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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997173
Product Specifications
- Other Name: SOLENOID, Emission Control System; EGR Valve Solenoid, Solenoid
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 4 DOOR, CLASSIC LS 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997647
Product Specifications
- Other Name: VALVE
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1983 Chevrolet Caprice | 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON | 6 Cyl 3.8L
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Chevrolet Caprice Solenoid Asm,EGR Control Valve Relay
Part Number: 1997554
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982 Chevrolet Caprice | 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 8 Cyl 5.0L
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Chevrolet Caprice Solenoid Asm,EGR Control Valve Relay
Part Number: 1997169
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1988 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 5.0L
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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997161
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1988 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 4.3L
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Chevrolet Caprice Solenoid Asm,EGR Control Valve Relay
Part Number: 1997125
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1983 Chevrolet Caprice | 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 3.8L, 8 Cyl 4.4L
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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997168
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1988 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 4.3L, 8 Cyl 5.0L
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Chevrolet Caprice Solenoid Assembly, Egr Control Valve Relay
Part Number: 1997160
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1990 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 4.3L
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Chevrolet Caprice Valve Assembly, Egr & Carb Idle Speed & Vacuum
Part Number: 1997126
Product Specifications
- Other Name: SOLENOID, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1990 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 8 Cyl 5.0L

Chevrolet Caprice EGR Vacuum Solenoid

This part is applicable to the exhaust gas recirculation system of the Chevrolet Caprice car model and is known as the EGR Vacuum Solenoid. Its main purpose is to enable backflow of exhaust gases to the intake manifold enabling the reduction of the release of toxic gases into the atmosphere. This is realized by the solenoid opening to allow the passage of exhaust gases when required. Different types of EGR Vacuum Solenoid have also been installed in Caprice over the years, although specific differences between the various types are also not clarified. The consistent goal across these variations remains the same: for optimizing the usage of recirculation of exhaust gases for improving emission control. EGR Vacuum Solenoid is critical in the prevention of emission of gases to the environment while at the same time improving the performance of the engine.

Each OEM Chevrolet Caprice EGR Vacuum Solenoid we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Caprice EGR Vacuum Solenoid Parts Questions & Experts Answers

Solenoid Asm,EGR Control Valve Relay
1997169
Q: What is the purpose and operation of the EGR Vacuum Solenoid and EGR Valve on Chevrolet Caprice?
A: The system reduces exhaust-emitted nitrogen oxides by recirculating a portion of the exhaust gas. The EGR valve, on the intake manifold, is central to this system. Two EGR valve types exist: negative and positive backpressure. It's inactive at idle and during deceleration, controlled by a thermal vacuum switch. EGR issues can cause rough idling and performance. To inspect, ensure the diaphragm plate moves freely and observe engine speed changes when manually depressed. Examine vacuum lines for blockages. Test the thermal vacuum switch with a gauge, replacing if faulty. For EGR valve replacement, disconnect vacuum hose, remove, and install a new valve with a gasket. For the switch, drain coolant, remove, and install a new one.

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