Touareg 2003 ➤
8-cylinder injection engine - Edition 11.2011
♦ Connections for breather and fuel lines must engage audibly
lk
when joined.
♦ Install breather and fuel hoses free of kinks.
♦ Secure fuel hoses with spring-type clips.
♦ Ensure that fuel hose connections are tight.
♦ Ensure earth cable -2- is secured tight to body.
Note
Before bolting on fuel tank, check that supply and breather lines
are still clipped onto fuel tank.
1.10
Checking fuel pumps
Checking delivery rate of pumps ⇒ page 108
Checking current draw of pumps ⇒ page 109 .
Checking non-return valve of right pump ⇒ page 111
Checking non-return valve of left pump ⇒ page 113
Special tools and workshop
equipment required
♦ Diesel extractor -VAS
5226-
♦ Pressure gauge -V.A.G
1318-
♦ Adapter -V.A.G 1318/9-
♦ Adapter -V.A.G 1318/10-
♦ Adapter -V.A.G 1318/24-
♦ Remote control for V.A.G
1348 -V.A.G 1348/3 A-
♦ Multimeter -V.A.G 1715- or
hand-held multimeter -
V.A.G 1526D- with pickup
clamp -V.A.G 1526B/2-
♦ Spring-type clip pliers -VAS
5024 A-
♦ Current flow diagram
♦ Measuring container
1. Parts of fuel supply system
107