Other Name: Regulator Assembly-CNG High Pressure; Regulator, Natural Gasoline Pressure Regulator
Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
2006 Chevrolet Avalanche 1500 | LS, LT, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
Chevrolet Avalanche 1500 Fuel Pressure Regulator
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Chevrolet Avalanche 1500 Fuel Pressure Regulator Parts Questions & Experts Answers
Q: What are the critical steps involved in servicing a fuel pressure regulator on Chevrolet Avalanche 1500?
A: The Fuel Pressure Regulator service requires precise execution because the system contains three distinct regulator types and Fuel Rail designs which have distinctive receiving ports and particular retaining clips that cannot be exchanged. Start the procedure by eliminating pressure from the fuel system before dealing with the Fuel Pressure Regulator vacuum hose and thoroughly cleaning the retainer surrounding area. You must pull out both the Fuel Pressure Regulator retainer and the Fuel Pressure Regulator from the Fuel Rail while verifying that the back up ring and regulator seal o-ring together with the regulator filter and regulator seal o-ring remain outside of the Fuel Rail. Inspection of the new Fuel Pressure Regulator retainer should verify its correct identification because the tabs should only fit on the straight vacuum port retainer and the e85-straight vacuum port retainer but not the angle vacuum port retainer . The Fuel Pressure Regulator requires installation of back up ring and regulator seal o-ring followed by a regulator filter and another regulator seal o-ring. Before this installation, apply clean engine oil to o-rings (11, 13). It is crucial to install fresh o-rings together with a new retaining clip when reinstalling the component. Secure the new retainer for the Fuel Pressure Regulator and restore both the Fuel Pressure Regulator vacuum hose and reinstall the fuel fill cap with negative Battery Cable connection. A leak check requires activating the ignition while leaving the engine off for two seconds before switching it off for ten seconds and repeating the procedure with the ignition on and engine off for leak inspection.