Transform 5.3L Fuel Pressure Regulator
The 5.3-liter Vortec V8 engine features an electronic throttle government course, E85 "Flex Fuel" capability, iridium sparkplugs, sequential fuel injection and variable valve timing technology. Designed by Universal Motors, applications for the 5.3-liter Vortec V8 contain the Chevrolet Tahoe, GMC Sierra, GMC Yukon, Chevrolet Silverado, Chevrolet Definitive and assorted other vehicles specious by the American Car manufacturer. Discard the old fuel pressure regulator, O-rings and filter screen.8. Lightly coat the new fuel pressure regulator and O-rings with fresh engine oil.
Loosen the vehicles fuel filler cap to balm depressurize the fuel method.
2. Remove the fuel pump relay from the fuse panel, located underneath the hood. Consult the owner's guide for the vehicle whether you obtain complication locating the Correct relay.
3. Inauguration the vehicle's engine to fully depressurize the fuel course. When the fuel system has been fully depressurized, the engine Testament die due to the abridgement of fuel in the process.
4. Switch off the vehicle's ignition and disconnect the cynical battery terminal, using an adjustable wrench.
5. Disconnect the vacuum column attached to the side of the fuel vigour regulator. The fuel compel regulator resides on the upper Chauffeur's side quantity of the engine, directly below the plastic intake manifold shroud (Study Method For instance).
6. Remove the retaining clip securing the fuel pressure regulator to the fuel rail. Use a pair of screwdrivers to aid in the removal of the retaining clip.
7. Pull the fuel pressure regulator out of the fuel rail assembly. Remove the O-rings and filter screen from the fuel rail assembly. Concentrated starting, Rugged sluggish and empty-handed engine performance could be the consummation of a malicious fuel energy regulator. Replacing the dangerous fuel impulse regulator for your 5.3-liter Vortec engine is a straightforward elbow grease, when using the Correct tools and data.
Instructions
1.9. Install the new fuel pressure regulator, with the O-rings and filter screen properly in place. Replace the retaining clip to secure the fuel pressure regulator to the fuel rail assembly. Make sure the retaining clip snaps over the outer ring of the fuel pressure regulator.
10. Reconnect the negative battery cable, replace the fuel pump relay and tighten the fuel filler cap. Prime the fuel system by switching the vehicle's ignition to the "On" position for 3 to 5 seconds. Check the fuel pressure regulator for any leaks.
11. Start the vehicle's engine after successfully checking for fuel leaks, to complete the replacement process.
