Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
2001-2002 GMC Savana 2500 | Base, SLT | 6 Cyl 4.3 L GAS
GMC Savana 2500 Fuel Rail
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GMC Savana 2500 Fuel Rail Parts Questions & Experts Answers
Q: How to replace the Fuel Injection Fuel Rail Assembly on GMC Savana 2500?
A: The fuel injection Fuel Rail assembly replacement process starts with removing the engine cover and the air cleaner resonator outlet duct. A part number identification based on eight digits exists on the Fuel Rail assembly for service purposes. Spray type engine cleaning solution gm x-30a should be used to clean the Fuel Rail assembly while avoiding liquid cleaning solvents. Start the replacement by disconnecting both accelerator control cables and cruise control cables from the cable bracket that connects to the Throttle Body when needed. Also separate the upper engine wire harness retaining nut. Move the evap purge valve harness connector while disconnecting it then reposition the upper engine wire harness. The technician should use ch-48027 or not to relieve fuel system pressure while marking electrical connectors to match their proper sequential firing order. The disconnect procedure starts with pulling the connector position assurance (CPA) while raising it on the injector connector and then pressing the tab before releasing cpa to detach the fuel injector connector. Follow this procedure with all injector connectors by ensuring protection of the electrical connector terminals along with the spray tips throughout the process. Remove the Fuel Rail by disconnecting its fuel feed and return pipes together with the fuel pressure regulator vacuum line then unfastening the crossover tube to right Fuel Rail retainer screw and carefully removing all Fuel Rail bolts. After getting rid of the old fuel injector lower o-ring seals users should apply oil to new parts which get fitted to each injector before installation. Next dispose of the retaining clip attaching screw from the right-hand Fuel Rail then remove the crossover pipe and its o-ring material. New o-rings must first receive oil before installation onto the crossover pipe which will return to the right Fuel Rail. The crossover pipe retainer and its attaching screw receive loose attachment before installation of the Fuel Rail. Apply gm p/n 12345382 threadlock for a 5 mm band to the Fuel Rail bolts' threads and tighten the bolts to 10 nm before screw tightening reaches 3.8 nm. The next steps involve reattaching the fuel pressure regulator vacuum pipeline and the fuel feed and return hoses while making sure every electrical connection fits its designated fuel injector specific place and each injector needs some rotation to prevent wire harness damage. The technician should position the upper engine wire harness then install an evap purge solenoid connector and tighten the retainer nut to 5.5 nm. You should install both the accelerator control cable and cruise control cable. Afterward attach the air cleaner resonator outlet duct and engine cover. The inspection for leaks should be performed by turning on the ignition with the engine off for two seconds followed by engine shutdown for ten seconds and ignition restart before checking for fuel leaks.