Audi A4 - Elsbett Single Tank Straight Vegetable Oil Conversion

    
 
The following is a record of my experience on the installation of an Elsbett, single tank, straight vegetable oil conversion on an 1999 Audi A4 1.9TDI with a AFN engine code. Please read the health warning below before you start a SVO/WVO conversion.
     
Elsbett Kit Installation

System overview
 Tool requirements for installation
Glow plug type change
Injector modification
New fuel supply lines
Electric fuel filter heater
Plate heat exchanger
Auxiliary fuel filter
System control switch via water temperature
Electrical systems

Add ons

Kit reversibility parts
Automatic water and glycerol detector for fuel filter
 Heat exchanger water side isolation valve

  
Maintenance requirements and diagnosing running problems

Why increased oil changes are so important
 Smoking starts and poor starts
 Battery condition
Fuel heating rate
Fuel specifications and requirements
Fuel contamination problem
Fuel line damage and resulting air leak
Injector cleaning, sealing and fitment
Car fueling and maintenance log
VAG-COM

Comments

Health Warning - Before you start - Important
The Elsbett kit - its advantages, disadvantages and improvements
Cost benefits
Fuel types and sources
Risks of running VAG TDI on biodiesel and vegetable oil
Biodiesel, SVO and WVO - whats the difference?

Useful links

Fred's TDI Site
Seal replacement procedure of Bosch Fuel Pumps
TDI won't start troubleshooting
Injector removal procedure

  

     

Email : TBA