Fuel Tank Roll Over Valves

Replacement Parts > Air and Fuel Delivery > Fuel Storage

Fuel Tank Roll Over Valves

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What is a fuel tank roll over valve?

A fuel tank roll over valve is a safety device that is designed to prevent fuel leakage in the event of a vehicle rollover. It is typically found in the fuel tank of a vehicle, and is designed to close off the fuel supply when the vehicle rolls over.

What is the purpose of a fuel tank roll over valve?

The purpose of a fuel tank roll over valve is to prevent fuel leakage in the event of a vehicle rollover. It is designed to close off the fuel supply when the vehicle rolls over to prevent fuel from spilling and potentially causing a fire or other damage.

How can I determine if my fuel tank roll over valve is faulty?

If your fuel tank roll over valve is faulty, you may notice fuel leaking from the fuel tank or smell fuel coming from the vehicle. You may also experience difficulty starting the engine or the engine stalling unexpectedly. If you suspect that your fuel tank roll over valve is faulty, you should have it inspected by a qualified technician.

Can a faulty fuel tank roll over valve cause damage?

Yes, a faulty fuel tank roll over valve can cause damage. If the valve is not functioning correctly, fuel may leak from the fuel tank, potentially creating a fire hazard. Additionally, the engine may experience difficulty starting or stalling unexpectedly, which can lead to further damage.

How do I replace a fuel tank roll over valve?

Replacing a fuel tank roll over valve is a fairly simple process but should be done by a qualified technician. Here are the steps to replace a fuel tank roll over valve:

  1. Disconnect the negative battery cable.
  2. Drain the fuel tank.
  3. Remove the fuel tank roll over valve.
  4. Install the new fuel tank roll over valve.
  5. Re-connect the negative battery cable.
  6. Refill the fuel tank and check for leaks.


How often should I inspect my fuel tank roll over valve?

You should inspect your fuel tank roll over valve at least once every year, or more frequently if you suspect that it is not functioning properly. You can also have it inspected by a qualified technician when you take your vehicle in for routine maintenance.