How to replace the fuel pump for a 2003 Chevy Silverado 1500?

How Do I Replace the Fuel Pump for a 2003 Chevrolet Silverado 1500? Removing and replacing a fuel pump in a 2003 Silverado 1500 truck means replacing the entire pump/sending unit module that is mounted within the fuel tank. This pump can wear out if you constantly drive your truck with the fuel level low.

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 does my Silverado have a trouble code P0420?

If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms. One of the best indicators of a clogged fuel pump is going to be that the your Silverado is difficult to start. This because there’s not enough fuel pressure to properly atomize the fuel as it enters the combustion chamber.

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.

What happens when the fuel pump goes out on a Chevy Silverado?

There are physical signs that you can feel when your Silverado’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.

What kind of fuel pump do I need for my Silverado 1500?

When it comes to your Chevrolet Silverado 1500, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Fuel Pump product and part brands so you can shop with complete confidence.

When did the Chevy fuel pump come out?

It started on Chevrolet truck models from 1996 to 2003 model years, but has expanded to other models as the connector and pump assemblies are not aging well. In fact, I have a financially strapped friend with an 04 Silverado that now caries a heavy rubber mallet in the truck.

How do I replace the fuel pump module?

Press and release the locking tab on the fuel pump module’s flange ring using a needle-nose pointer while grasping the ring with a large pair of locking pliers. Turn the ring counterclockwise using the pliers to loosen it.

How do you replace the fuel tank on a Chevy truck?

Press down on the module to seat its retaining ring and turn it clockwise to engage the locking tab. Place the fuel tank back on the jack and raise it back into position on the truck. Connect the straps with your wrench. Reconnect the fuel lines and electrical connectors to the fuel pump flange at their quick-connect fittings.

Can a vacuum pump be used to replace a fuel pump?

This pump can wear out if you constantly drive your truck with the fuel level low. You need the fuel to be low, however, if you are going to replace the module. Siphon out as much fuel as possible with a proper vacuum pump kit if needed; never siphon out by mouth.

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 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.

Can a bad fuel pump cause a Chevy Silverado to not start?

A bad fuel pump in your Chevy Silverado will lead to poor gas mileage, and eventually cause the truck to not start at all, so the pump needs to be replaced immediately. Like many pick-up trucks, the Silverado’s fuel pump is within a module stored inside the fuel tank.

How does the fuel pump work in a GMC?

FUNCTIONS – Suck the fuel from the fuel tank, pressurize it and then deliver it to the fuel supply pipe, and cooperate with the fuel pressure regulator to establish a certain fuel pressure. Guaranteed supply of continuous fuel to the injector

How often should you change the fuel filter on a Chevy Silverado?

A clean fuel filter in your Chevy Silverado truck means clean fuel injectors and a clean fuel pressure regulator. Changing the fuel filter also extends fuel pump life. Replace the fuel filter in your truck every 30,000 to 40,000 miles to keep the fuel system in optimal condition.

How can I tell if my Chevy Silverado fuel pump is bad?

Testing your Silverado’s fuel pressure on each side of the pump would be the best way to diagnose this problem. A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged.

Why does my Silverado have a bad fuel filter?

If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms. One of the best indicators of a clogged fuel filter is going to be that the your Silverado is difficult to start. This because there’s not enough fuel pressure to properly atomize the fuel as it enters the combustion chamber.

Can a Chevy Silverado start with a bad fuel filter?

At the most basic of levels your Chevy Silverado needs three things to start: Air, fuel, and spark. If any of these things aren’t present, the engine won’t turn over at all. If there’s been zero warning that the fuel filter could be going bad (hesitation, difficulty starting, etc) than a clogged fuel filter might not be the place to start.

Can a check valve be replaced on a fuel pump?

Can be used to replace fuel pump modules built or Without check valve. Module has 2 Electrical Connectors. RPO Code EVA. Evaporative Emission Notes: Module assembly, With Module Code TCU.

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.

Where is the connector on a Chevy fuel pump?

When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.

How to remove a fuel pump from a truck?

Basic instructions on how to tip your bed and remove your fuel pump and sender assembly, replacement of the fuel pump from the sender unit and putting it back into the tank with gasket o-ring and lock ring. I also show video of the bolt hole locations on my short bed frame. Loading…

How much does it cost to replace fuel pump in Chevy Silverado?

The average cost for a Chevrolet Silverado 1500 fuel pump replacement is between $1,132 and $1,182. Labor costs are estimated between $194 and $245 while parts are priced at $937.

When do you need to replace your fuel pump?

Fuel pumps do not have a specific replacement interval. Replacement becomes more common as the mileage on the car increases. Repeatedly running the fuel tank low or driving with clogged fuel filters can put additional strain on the fuel pump, shortening its lifespan.

What to do if your fuel pump has no power?

Check the ECM B fuse located in the under hood fuse box. This is the power supply to the fuel pump and relay. If the fuse is bad, then replace it to see if the fuel pump has power. The truck may start if the fuse is replaced but you will still need to replace the pump.

Where is the fuel pump located in a Duramax Diesel?

The mechanical h.p. pump located in the engine valley is the only pump, it has the duel function of pulling fuel from all the way from the tank and thru the filter and cooling the ficm to the h.p. section of the pump. This means the entire fuel line, tank to engine, is under suction YOU WONT SEE A LEAK , you might see a wet stain.

Can a fuel pump be replaced on a Chevy?

CHEVY & GMC FUEL PUMP REPLACEMENT!! – YouTube CHEVY & GMC FUEL PUMP REPLACEMENT!! If playback doesn’t begin shortly, try restarting your device.

How can I tell if my Chevy Tahoe fuel pump is bad?

Testing your Tahoe’s fuel pressure on each side of the pump would be the best way to diagnose this problem. A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged.

Can a fuel pump be put inside a fuel tank?

Citroen in their infinite wisdom decided that putting a fuel pump which is prone to packing up inside the fuel tank, which means you have to jack the car up, put it on stands, drain the fuel, remove the exhaust heat shield, move the hand brake cables, remove the four bolts, remove the rubber filler pipe hose, remove the pipes and unplug the cables.

How do you remove an old fuel pump?

Well enough was enough. I removed the old pump which also includes the tank fuel gage gizmo. Threw the pump away and secured a steel rod with cable ties to hold the pipe on the bottom of the pump. Inserted the pump-free sender unit.