Other Name: VALVE, Emission Control System; EGR Valve
Replaces: 12639422
Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
Other Name: VALVE, Emission Control System; EGR Valve
Replaces: 97379347
Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
2006-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
Other Name: VALVE, Emission Control System; EGR Valve
Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
2001-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 8.1L
Chevrolet Express EGR Valve
The EGR Valve which operates inside Chevrolet Express vehicles uses exhausted gas recirculation to decrease nitrogen oxide emissions through the intake air system. The combustion cycle becomes cooler during this procedure to prevent NOx formation that leads to damaging smog. The EGR Valve functions within particular engine operational limits during cruising speed or light acceleration through vacuum-operated diaphragm or electric motor control mechanisms based on model and technology type. Multiple EGR Valve designs have been implemented by Chevrolet Express since its inception which comprise ported vacuum mechanisms as well as positive and negative backpressure valves and electronic digital control valves. The systems can include extra components of sensors or solenoids together with other components to maximize EGR flow. The proper operation of the Chevrolet Express EGR Valve remains crucial because performance problems and excessive NOx emissions together with drivability issues occur when the valve is defective and buildup of carbon requires either maintenance or system replacement.
Each OEM Chevrolet Express EGR Valve 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 Express EGR Valve Parts Questions & Experts Answers
Q: How to replace the EGR Valve on Chevrolet Express?
A:
Mixing oxygen and nitrogen in a combustion chamber results in compounds called NOx or Nitrogen Oxides. They are produced at high temperatures in the combustion chamber. In the presence of sunlight, reactive organic compounds and NOx from tailpipes undergo ozone formation that result to photochemical smog. NOx is reduced by EGR system because it takes exhaust gases back through the engine, which cools it hence minimizing NOx production. The system combines various sensors, an EGR valve and PCM. With its feedback circuit controlling the pintle valve's position, the EGR valve is managed by PCM. This will cause problems with the engine if the EGR flow increases or decreases beyond normal levels. For instance, when replacing the EGR valve or pipe, make sure you unplug the electrical connector, remove mounting bolts and discard old gasket. Finally put everything back together using a new gasket and tighten all bolts securely.