How to replace the EGR valve on Chevrolet Metro?

The first step in replacing the EGR Valve requires rote removal of the two vacuum hoses which attach to the exhaust gas recirculation (EGR) valve. Connectors for the exhaust gas recirculation valve must be detached before unscrewing the bolts which keep the valve fixed to the Intake Manifold. After this, you must take out both the valve along with its gasket from the Intake Manifold. When installing the new gasket together with the EGR Valve onto the Intake Manifold position the two bolts for attachment. When the job is done attach the EGR Valve to the Intake Manifold with bolts secured to 20 n.m (15 lb ft), then reattach the two vacuum hoses to their respective ports on the EGR Valve.

OEM Chevrolet Metro EGR Valve

Emissions EGR Valve

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Chevrolet Metro EGR Valve Part Number: 96055570
$77.54 MSRP: $216.12
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Product Specifications
- Other Name: Valve; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 Chevrolet Metro | Base | 3 Cyl 1.0 L GAS
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Chevrolet Metro Purge Valve Part Number: 30020566
Product Specifications
- Other Name: Valve, Fuel Tank Evaporator/Purge Control; Air Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2001 Chevrolet Metro | Base, LSi | 3 Cyl 1.0 L GAS, 4 Cyl 1.3 L GAS
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Chevrolet Metro Solenoid Valve Part Number: 96068662
Product Specifications
- Other Name: Solenoid, Emission Control System; EGR Vacuum Solenoid; Purge Valve; Purge Control Valve; Valve, Fuel Tank Evaporator/Purge Control; Valve, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 Chevrolet Metro | Base, LSi | 3 Cyl 1.0 L GAS, 4 Cyl 1.3 L GAS
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Chevrolet Metro Vacuum Modulator Part Number: 96060167
Product Specifications
- Other Name: Valve, Emission Control System; Transducer; Modulator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 Chevrolet Metro | Base, LSi | 3 Cyl 1.0 L GAS, 4 Cyl 1.3 L GAS
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Chevrolet Metro Check Valve Part Number: 91172386
Product Specifications
- Other Name: Valve, Emission Control System; EGR Vacuum Solenoid; EGR Valve; Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2001 Chevrolet Metro | Base, LSi | 3 Cyl 1.0 L GAS, 4 Cyl 1.3 L GAS

Chevrolet Metro EGR Valve

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So the EGR Valve used in Chevrolet Metro helps to control the circulation of exhaust gases back into the combustion enclosure hence eradicating air pollutants when the air and fuel mixture is inadequate. Relative to fresh air, the EGR Valve reduces the amount of oxygen getting into the cylinder and brings in inert gases that can help to dissipate heat resulting from combustion that results to the formation of Nitrogen oxide (NOx). From the above information, we can clearly see that Chevrolet Metro has used many EGR Valves styles they are using a simple Orifice jet then to the use of today's advanced EGR Valves, which is sensitive to engine conditions such as coolant temperature and manifold vacuum among others. The backpressure transducers are also used in the modern EGR systems to further optimize the flow of EGR in relation to the load that is being applied to the engine. Although there are numerous ways that a Chevrolet Metro vehicle can meet the emission standards, the EGR Valves can have a tendency of getting blocked by carbon deposits, hence calling for regular cleaning.

Chevrolet Metro EGR Valve Parts Questions & Experts Answers

EGR Valve
96055570
Q: How to replace the EGR valve on Chevrolet Metro?
A:
The first step in replacing the EGR Valve requires rote removal of the two vacuum hoses which attach to the exhaust gas recirculation (EGR) valve. Connectors for the exhaust gas recirculation valve must be detached before unscrewing the bolts which keep the valve fixed to the Intake Manifold. After this, you must take out both the valve along with its gasket from the Intake Manifold. When installing the new gasket together with the EGR Valve onto the Intake Manifold position the two bolts for attachment. When the job is done attach the EGR Valve to the Intake Manifold with bolts secured to 20 n.m (15 lb ft), then reattach the two vacuum hoses to their respective ports on the EGR Valve.