[DML] Re: Fuel System Flush

[MichaelPacman@xxxx]

After you remove the pump, make sure that the tank is clean and free of any 
metal debris. Work in a well ventilated area.

1. Disconnect the negative battery cable.
2. Open the bonnet and remove the spare tire. 
3. Remove the screws that attach the cover for the fuel pump. It is in the 
well for the spare tire.
4. You can see the fuel pump cover and hoses. These will need to be replaced.
5. Remove the fuel pump cover and disconnect the electrical harness from the 
fuel pump. 
6. Disconnect the main fuel lines that connect to the pump. 
7. Slowly lift out the pump and pump boot. ( have a pan to place the pump 
into for safe keeping) Make sure that the lower suction hose attached to the 
bottom of the pump is disconnected from the pump to avoid tearing. This hose 
is $98.00 part.
8. Drain the fuel tank, and make sure to use a suitable gasoline container to 
store the bad gas. (I used a kerosene pump available at any hardware store 
for $5.00 to drain the tank)
9. Replace the fuel pump with a new unit. Fuel pump kits are available from 
all DeLorean parts suppliers. The kits include all of the components that are 
necessary.
10. Early VIN cars had a fuel baffle that was of poor design. The baffle 
holds fuel in the tank when the fuel level is low. It is like a pan inside of 
the tank. When the car is turning left or right with low fuel in the tank, 
the fuel moves from side to side. The baffle prevents the car from stalling 
out in a low fuel situation. If you have to remove the baffle, use extreme 
caution. It is attached to a molded bolt on the bottom of the tank. If the 
bolt breaks, replacement fuel tanks are available from the DeLorean suppliers.
11. The fuel filter should be replaced. It is located underneath the car on 
the drivers side rear wheel area. You will have to remove the trailing arm 
shield to gain access to the filter.
12. Inspect the condition of the fuel lines that run from the front of the 
car to the rear. In a recent DeLorean World, a car caught on fire due to the 
main hose rupturing and spraying fuel on the hot engine. These hoses are 
18-19 years old and need to be replaced.

There are related fuel injection components that need inspection as well. The 
fuel Distributor, accumulator, injectors, control pressure regulator, cold 
start injector and frequency valve. Due to the sensitivity of the fuel 
injection system, I have noticed on the two cars I have owned that the worst 
thing for them is not driving them. 

Hope this helps you out. Good luck.
Regards,
Mike