Checking Fuel Delivery Rate - Volkswagen Transporter 2020 Manual

Transporter 2020 ➤
Auxiliary heater - Edition 04.2020
Removing
– Remove left underbody cladding ⇒ General body repairs, ex‐
terior; Rep. gr. 66 ; Underbody cladding; Assembly overview
- underbody cladding .
– Disconnect electrical connector -2-.
– Loosen clamps -3-.
CAUTION
The fuel system is pressurised.
Risk of injury caused by fuel spray.
– Wear safety goggles.
– Wear protective gloves.
– To release pressure, wrap a clean cloth around the connec‐
tion, and carefully loosen the connection.
– Place drip tray - VAS 6208- beneath vehicle.
– Pull off fuel hoses -4-.
– Seal fuel hoses -4- with a bung from engine bung set - VAS
6122- .
– Remove metering pump 2 - V386- -1- from bracket.
Installing
Install in reverse order of removal, observing the following:
– Replace O-type clips with screw-type clips.
8.2

Checking fuel delivery rate

Special tools and workshop equipment required
♦ Fuel hose, length approx. 200 mm
♦ Measuring beaker - V.A.G 1602/1- from injection rate tester -
V.A.G 1602-
♦ Vehicle diagnostic tester
Test requirements
• Resistance of metering pump 2 - V386- = approx. 10 Ω - 10.5 Ω
• Battery voltage: at least 12.5 V
• No fault stored in event memory
• Fuel lines are not damaged or leaking
• Ambient temperature approx. 20°C
• Fuel tank sufficiently filled (fuel gauge on dash panel insert not
in red area)
52
Rep. gr.82 - Supplementary heating