AUDI A4 1998 B5 / 1.G Engine Oil Level Checking User Guide

17

Dust and pollen filter element, replacing


- Remove right scuttle panel.

Notes:
Be sure dust and pollen filter housing gasket -C- is positioned correctly
and undamaged.
Rain channel -A- must be properly installed to prevent water from running
onto dust and pollen filter and into heating system. - Remove rain channel -A-.
- Remove filter element -B- from housing.
- Install new filter element.
- Install gasket-C-, rain channel -A-, and right scuttle panel.
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18

Noise insulation, removing and
installing


Note:
When installing noise insulation, be sure that it is inserted at front, over
bumper cover. - Pull insulation pan to rear, off bumper cover and remove.
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19

Diagnostic Trouble Code (DTC) Memory
interrogating, with VAG 1551 Scan Tool


Connecting Scan Tool (ST) VAG 1551- (up to
m.y. 1996)

- Move shift lever into position "P" or "N", and
apply parking brake (vehicles with Automatic
Transmissions).

- Open rear ashtray (center console) and remove Data Link Connector
(DLC) cover.

- With ignition turned OFF connect Scan Tool (ST) VAG 1551 to Data
Link Connector (DLC) with Adapter Harness VAG 1551/3.
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20

Connecting Scan Tool (ST) VAG 1551- (from
m.y. 1997)

DLC is located below driver's knee bar to left
side of steering wheel

Continuation for all vehicles
VAG 1551 displays all known address words in sequence. - Connect Scan Tool VAG 1551/1552 with diagnostic cable VAG 1551/3.
- Start engine and run at Closed Throttle Position.
- Press brake pedal briefly once.
- Press print button to switch printer on (indicator lamp in button lights
up).
- Press key -1- for "Rapid Data Transfer" mode.
- Press key -O- twice to enter address word 00 for "Automatic Test
Sequence".
- Press -Q- key to confirm input.
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21

X DTCs reco
gnized

If control module answers with its identification the number of stored
Diagnostic Trouble Codes (DTCs) will be indicated or "No DTCs
Recognized" will be displayed.
If one or more DTCs are stored, all stored DTCs will be dis played and
printed out in sequence. Following this, VAG 1551 displays the next
address word.
VAG On Board Dia
gnostic
HELP
1 - Rapid data transfer *
)
2 - Blink code output *
)

* Operating modes 1 and 2 are displayed alternately.
Corrective action must be taken if DTCs are stored. Diagnostic report
should be attached to repair order.
Note:
For resetting service internal display and performing any emissions test
VAG 1551 must remain connected. - Automatic test sequence is ended once the readout shown here
appears in the display.
- Turn ignition OFE
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22

Spark plugs, replacing


Note:
To replace spark plugs, use Spark Plug Wrench 3122B. - Remove engine cover.
- Install new spark plugs.

Tightening torque: 30 Nm (22 ft lb)
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23

Plenum chamber and water drain valve,
checking for debris, cleaning if
necessary


- Check plenum chamber for signs of debris, e.g.
from leaves,clean If necessary.

- Check water drain valves for debris and proper
operation; clean or replace if necessary.

Note:
The water drain valves must not be blocked by
wax or undercoating, and must close properly.

Position of the water drain valves:
left - below brake servo unit
right - below battery
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24


Lock carrier, moving into service position

Special tools

3369
1 -
45 Nm
2 -
45 Nm
3 -
10 Nm
4 -
10 Nm
5 -
Hole
For tool 3369
6 -
Hole in lock carrier
7 -
Hole in fender panel
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25


- Remove front bumper Repair Manual, Body
Exterior, Repair Group 63
.
- Undo 3 quick-release fasteners on noise
insulation at front.
- Remove air duct between lock carrier and air
cleaner (air duct is bolted to lock carrier).
- Remove retainer clips (if installed) for wiring
harness to left of radiator cowl.
- Remove bolt -2- on right and thread in special
tool 3369.
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26


- Thread special tool 3369 into hole -5- (left).
- Remove bolts -1- and -3-.
- Remove bolts -4- and pull whole lock carrier out
as far as it will go.
- Secure lock carrier with suitable M6 bolts in hole
-6- (lock carrier) and hole -7- (fender panel).
- When lock carrier has been installed, check that
wiring next to radiator is correctly routed.
- Install front bumper Repair Manual, Body
Exterior, Repair Group 63
.
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