FAQ for Fuel Pressure Regulator Repair
Q: What is the recommended torque for the fuel rail bolts?
A:
It is 10 N.m (89 lb in).
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the fuel rail stop bracket bolt?
A:
It is 50 N.m (37 lb-ft).
By BobGM Specialist
01/11/2022 Q: What should be noted when installing the fuel rail stop bracket?
A:
The fuel rail stop bracket must be installed onto the engine assembly. The stop bracket serves as a protective shield for the fuel rail in the event of a vehicle frontal crash. If the fuel rail stop bracket is not installed and the vehicle is involved in a frontal crash, fuel could be sprayed possibly causing a fire and personal injury from burns.
By BobGM Specialist
01/11/2022 Q: What should be noticed while removing the fuel injection fuel rail assembly?
A:
You shall remove the fuel rail assembly carefully to prevent damage to the injector electrical connector terminals and the injector spray tips, and support the fuel rail after the fuel rail is removed to avoid damaging the fuel rail component.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the engine wiring harness bracket nut?
A:
The recommended torque is 5 N.m (44 lb in).
By BobGM Specialist
01/11/2022 Q: What should be learned about before servicing the fuel injection fuel rail crossover tube?
A:
An 8-digit identification number is located on the fuel rail.
By BobGM Specialist
01/11/2022 Q: How to install the fuel rail and injectors?
A:
The proper way is to install the O-ring seals to the fuel injectors, the fuel injectors, and retainers, the fuel rail assembly to the manifold, the fuel rail bolts, the evaporative emission (EVAP) canister purge solenoid valve, and tubes, and the fuel rail stop bracket and bolt.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the fuel rail crossover pipe retainer screws?
A:
The recommended torque is 3.8 N.m (34 lb in).
By BobGM Specialist
01/11/2022 Q: How to properly relieve the fuel pressure (without CH 48027)?
A:
The proper way is to loosen the fuel fill cap to relieve the fuel tank vapor pressure, remove the fuel rail service port cap, wrap a shop towel around the fuel rail service port, depress (open) the fuel rail test port valve, remove the shop towel from around the fuel rail service port, place in an approved gasoline container, and install the fuel rail service port cap.
By BobGM Specialist
29/10/2022 Q: What should be noticed while relieving the fuel pressure (with CH 48027)?
A:
If relieving the fuel pressure for the fuel pressure gage installation and removal, it is not necessary to proceed with the following steps.
By BobGM Specialist
29/10/2022 See more FAQs (6)