Where is the fuel pump on a Chevy 3500HD?

Raised the dump body and it was right there behind the forward fuel tank mounted on the frame rail. 15 minutes later, I gave the truck a start and that new pump gurgled into life emptying the rear tank into the forward tank and raising my fuel level. Yippee. I’m so happy I fixed this fuel curse I’ve been shouldering for a few months.

Is there a fuse for the fuel pump?

Click to expand… or maybe the fuse box is shared with differently optioned trucks and that is the spot for a fuel pump relay on a diesel :shrug: My friend has a 07.5 chevy with a fuse and relay but in my 09 it doesn’t.

How can you tell if your Chevy Silverado fuel pump is going out?

The only way that you are going to know that your Silverado’s fuel pump is going out is that it is no longer providing enough fuel pressure to keep the engine running under a heavy load, or at high-speed. Typically, if you are heading up a hill (or accelerating) the engine may start to feel like it is just running out of steam.

Why is the fuel pump and relay not working?

The ignition circuit, which includes the ignition switch, controls power to many components, including the fuel pump and relay. If there is an issue with the switch or the circuit, perhaps a wiring problem, then power to the fuel system may be cut off.

What kind of fuel pump does Chevy 3500HD have?

THe rear tank has only a two conductor wire connector going to it which is prob the sensor circuit only, and that rear tank does seem to feed thru a remote frame rail rmounted pump to supply the fwd tank. That fwd tank has a 4 wire connector I assume to power both the in tank fuel pump/sending unit combo.

Where is the fuel pump on a 2005 Chevy Silverado?

This video outlines replacement of the fuel pump module on a 2005 Chevy Silverado Pickup in under 1 hours time. The fuel pump module is located in the fuel tank and this process involves lowering the fuel tank and replacing the pump assembly.

What are the symptoms of a bad fuel pump?

Here are the most common symptoms of a bad fuel pump in your Chevy Silverado: One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues. Keeping an open ear can save you from getting stuck somewhere with a bad fuel pump.

When to replace the fuel pump on a Chevy Silverado?

If your Chevrolet Silverado isn’t performing the way it once did, or if you feel like you’re stepping on the gas pedal and not much is happening, it may be time to replace the fuel pump. This article applies to the Chevrolet Silverado (1999-2006).

How do you Drop the fuel tank on a Chevy Silverado?

This article will walk you through the second method of dropping the fuel tank. Open the hood. Pull the fuel pump relay from the fuse box. Start the vehicle and let it run until it shuts down. Figure 1. Pull the fuel pump relay and start the engine in order to relieve gas pressure in the line and the pump.

Why does my Chevy fuel pump keep failing?

The Chevrolet service bulletin states that the cause of the repeat failures is due to worn or damaged electrical connectors at the fuel pump assembly. When you get the Delco replacement parts it comes with a new connector on the fuel pump side.

How do you replace the fuel pump in a Chevy Silverado?

Pull the quick release tabs off of the old fuel lines and put them onto the nipples of the new fuel pump. Reconnect the three fuel lines to the quick connect tabs. If you have to swap out the wiring harness, make sure that you do not cut into the wires for the fuel pressure sensor.

How do you replace a fuel pump relay?

Reconnect the power plugs to the top of the fuel pump with the quick connect wiring harnesses. Reconnect the fuel lines and lastly, reconnect the filler neck and tighten down the hose clamp and the vapor hose. Keep the truck in the air while you replace the fuel pump relay and start your truck.

How long does it take to replace a fuel pump?

A novice with limited to no mechanical abilities can swap out a fuel pump in just a couple of hours at home. A professional is going to cost a good deal of money to do this job. Doing it yourself will keep your costs at a minimum, save you a large bundle of cash from giving it to a pro and you’ll have quite an accomplishment to brag about.