Compression Ignition Addict
Join Date: May 2013
Location: Yeah Right
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I'm talking about the pump underneath the driver door on the frame rail.
1. Shut off engine.
2. Get your SAE and METRIC socket set, throw a piece of cardboard or what have you down on the ground and crawl under.
3. Using the cheap Autozone/Oreillys/Etc fuel line quick disconnect tool, disconnect the four fuel line connections by sliding them around the fuel line and into the coupling. Push them in well to release the spring and pull the fuel line out. This may be easier on some than others. Be prepared to get a little bit of fuel on you. An empty tank is better than a full fuel tank for this job.
4. Locate the 3 nuts on the frame that hold the pump on. Loosen and remove the pump. Might take a bit of finesse to twist it out. Don't forget to remove the electrical connections before removing the pump.
Once the pump is out, there are three or four torque screws that hold the cover on. Remove that and fuel filter from the housing. It might be best to crack open the fuel filter cap before you pull the pump since they stick pretty good sometimes and can be hard to do while holding the pump in hand. Open the pump up and spray clean with carb cleaner and a rag. Use compressed air to flush out all final debris. Leave absolutely nothing, even a spec of dirt, inside to minimize contaminating the fuel system.
Install is reverse. After install is complete, cycle ignition key 10 times, each time waiting for the fuel pump to shut off. This will prime the system and remove the air bubbles.