Why is my fuel tank collapsing on my GMC Sierra?
I’m also having this problem with my 2000 GMC Sierra SL c2500 5.7. It creates a vacuum and collapses the fuel tank. Im on my third fuel tank but didn’t realize at first a vacuum was crushing it. Any ideas? It seems the more I read, the more possibilities that could cause it but its getting expensive with the tanks and pumps.
What kind of fuel pump does GMC Sierra 1500 use?
AutoZone has the GMC Sierra 1500 fuel pump to bring out your pick-up’s potential to get any tough job done with ease. If you’re noticing irregular fuel consumption, jolting after accelerating or problems starting your Sierra 1500, it’s time to think about a new fuel pump.
How is fuel venting done on a GM Truck?
The gas cap is sealed, the venting is done through the line Tim mentioned. There are three lines to the tank. 3/8, 5/16, and 1/4 inch. 3/8 is the supply line. Fuel is pumped through this line from the tank to the fuel metering body. (No TBI on a 97 Vortec). The 5/16 returns excess fuel from the metering body back to the tank.
Where can I get parts for my GMC Sierra 1500?
Whenever you need GMC Sierra 1500 parts, it’s a good strategy to find the most world-class replacement and OEM parts available – and if you get parts from Parts Geek you see the most affordable prices around all done with the very best in order fulfillment.
I’m also having this problem with my 2000 GMC Sierra SL c2500 5.7. It creates a vacuum and collapses the fuel tank. Im on my third fuel tank but didn’t realize at first a vacuum was crushing it. Any ideas? It seems the more I read, the more possibilities that could cause it but its getting expensive with the tanks and pumps.
Where does the fuel line go in a GM Truck?
The fuel lines go up over the trans to the engine. The vent line continues into the engine compartment along with the rear brake line. The vent line goes to vapor canister mounted near the radiator on the drivers side.
The gas cap is sealed, the venting is done through the line Tim mentioned. There are three lines to the tank. 3/8, 5/16, and 1/4 inch. 3/8 is the supply line. Fuel is pumped through this line from the tank to the fuel metering body. (No TBI on a 97 Vortec). The 5/16 returns excess fuel from the metering body back to the tank.
What to do if your fuel tank is not venting?
If you remove the vent line from the canister, you should be able to blow through the line to the tank. Take the gas cap off first. If that line is blocked, you’ve found where the problem is.
What happens when the gas cap won’t come off?
However, there are some situations that occur where the gas cap is stuck and won’t come off the vehicle’s fuel tank. When this occurs, it can negatively impact the car owner’s ability to put fuel inside their tank and may render the vehicle “shut down” until it’s removed.
Where is the fuel pump control module located?
It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump. The fuel pump relay is usually controlled by the ignition or Powertrain Control Module, and when switched on, will provide current to the fuel pump so that it may function.
Where is the fuel pump relay located on a car?
The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump. The fuel pump relay is usually controlled by…