1999 AUDI A4 air filter

20-132


11 -
Connecting hose
LDP / EVAP canisterPressure sideTo remove at LDP, press unlocking tab on
connector
12 -
10 Nm
13 -
Air filter For LDP
14 -
Sealing piece
15 -
Cable tie For mounting connecting hose on wheel
house
16 -
EVAP canister Location: lower front in spare wheel wellRemoving and installing Page 20
-164
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p://127.0.0.1:8080/audi/servlet/Dis
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20-171
If VAS 5051 indicates "System not OK":

- Replace LDP and repeat test.

If VAS 5051 indicates "System OK" after LDP is
replaced and test result is verified:

- Perform quality check and return vehicle to
customer.

Test EVAP System
Also Page 20
-134
.
If vehicle is not LDP-equipped:

- Plug or clamp EVAP canister outlet and proceed
to step "Continued for all vehicles" (below).
If vehicle is LDP-equipped:

- Plug or clamp LDP inlet (filter side) using
Special Tool No. 3094 or equivalent.
Pa
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.5

20-177


4 -
Bleed line
From gravity valve
5 -
EVAP canister Location: bottom of spare wheel well
6 -
Connecting hose LDP/EVAP canisterPressure side
7 -
Air filter For LDP
8 -
LDP -V144- Location: left rear wheel house behind
wheel well Page 20
-130

9 -
Vacuum hose
LDP / Throttle actuator control module
Pa
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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e=re
pair&id=AUDI.B5.GE04.20.5

20-181


4 -
Bleed line
To gravity valve on fuel tank
5 -
EVAP canister Location: in bottom of spare tire well
6 -
Connecting hose LDP / EVAP canisterPressure side
7 -
Air filter For LDP
8 -
LDP -V144 Location: in left rear wheel house behind
wheel well Page 20
-130

9 -
Vacuum hose
LDP / throttle actuator control module
10 -
T - piece Location Fig. 1
Pa
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ystem, servicin
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.5