DIY Steps for Replacing a Pontiac Fuel Pump
The fuel pump may eventually fail to supply the needed pressure and maintain sufficient fuel flow. It may have corroded parts, may suffer from internal wear due to lack of lubrication from the fuel, or may have a leak somewhere. These will require replacement.
Fuel pumps come in varied settings and designs. The pressure ratings and configuration may vary not just per make but also per vehicle model and engine size. This means that replacement or installation could differ for various models. You have to acquaint yourself with the fuel pump design of your Pontiac. The vehicle manual can be used as reference for the type of Pontiac fuel pump that you'll need. The success of the replacement or installation largely depends on having the right fuel pump kit for the job.
Check out the list of tools that you'll need for replacing the busted fuel pump and follow the detailed instructions below:
Note: This installation guide is written specifically for the Pontiac Bonneville and other models with similar electric fuel pump configuration.
Required skill level: Intermediate
Needed tools and materials
- Fuel pump kit
- Socket wrench
- Gas can
Read your vehicle manual. This will give you an idea about important fuel pump specs, settings, and features. By familiarizing yourself with the fuel system and the fuel pump placement and configuration, you can handle the job better. You'll know where several parts are located and how the electric fuel pump is basically secured or locked in place. You also have to make sure that the fuel pump kit has all the needed hardware.
Preparing the vehicle for fuel pump servicing
Relieve pressure from the fuel system. After relieving the pressure, you can now start draining the fuel tank, using a gas can to capture the fluid. You have to disconnect the negative battery cable using a socket wrench.
Removing the old fuel pump
Get access to the fuel sender access panel. You have to peel off the lining on the trunk of your vehicle. By removing the lining, you'll be able to locate the panel and open it. Basically, you have to remove whatever's in the way of the panel to get access to other fittings, connections, and components.
Next thing you have to do is to locate the fuel sender. Look for the quick connect fittings and the electrical connector from the fuel sender. You have to remove these. There'll also be a retaining ring there. You have to unfasten and discard the ring in order to pull out the fuel sender. Remember how the fuel sender is locked in so you can return everything into place later. You also have to remember the exact placement of the strainer before this is removed. Unplug any electrical connection and hose from the pump. Once they're out of the way, you can now pull out the old unit.
Installing a new fuel pump
Install the new fuel pump. You basically just have to reverse the steps. You may use the old grommets and insulators. However, the O-ring and the strainer must be replaced. The kit may provide you with these. Make sure that all parts are placed back and secured properly. Also refill the gas tank. Test drive the vehicle to see if the new pump is working right.