AUDI TT 1998 8N / 1.G AEB ATW Engines Lubrication System Components User Guide

17-7


11 -
Engine oil temperature sensor -G8-
10 Nm (7 ft lb)
12 -
Sealing washer If leaking, cut open and replace
13 -
O-ring Always replaceSnap into grooves on oil cooler
14 -
Oil cooler Refer to "CAUTION!" Page 17
-1
Coolant hose connection diagram Page 19
-2
15 -
Oil filter
Follow filter change intervalsUse 3417 oil filter wrench to removeFollow installation notes found on oil filterTightening torque: 20 Nm (15 ft lb)
16 -
Nut 25 Nm (18 ft lb)
17 -
Hex socket bolt 25 Nm (18 ft lb)
Pa
ge 11 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-8


Fig. 1 Checking oil pump backlash
New: 0.05 mm (0.002 in.) Wear limit: 0.20 mm (0.008 in.)

Wear limit: 0.15 mm (0.006 in.) Fig. 2 Checking oil pump axial clearance
Pa
ge 12 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-9

Oil pan, removing and installing


Special tools and equipment

10-222A engine support bridge with 10-222A/1
bracket for engine
2024A engine sling
3249 puller
VAG1202A engine hoist
AMV 174 004 01 sealant

Note:
Always replace gaskets.

Removing

- Remove noise insulation panel (arrows).
- Drain engine oil.
Pa
ge 13 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-10

CAUTION!

Before removing ribbed belt, note direction of
rotation with chalk or felt-tip marker.
Reversing the direction of rotation of a used
belt can destroy the belt.

- Remove bolts for ribbed belt tensioner for A/C compressor (arrows).
- Release tension on ribbed belt and remove.
- Remove belt pulley.

- Remove torque support stop (arrows).
Pa
ge 14 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-11

- Remove side brace from left side of torque
support bracket.

Note:
Illustration is shown with engine removed. - Remove torque support bracket from engine (arrows).

- Cut tie wraps (arrows), open bracket for starter wiring and remove
wiring.
Pa
ge 15 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-12


- Remove hose from turbocharger at air guide tube in lock carrier
(arrow).

- Remove both nuts -1- from lower engine mount.
Pa
ge 16 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-13

- Remove engine covers.

- Set 10-222A engine support bridge on fender mounting edges.

WARNING!
Mounting hooks and pins on the engine sling must be secured with
the positioning lock (arrows). - Remove mounting eye from 2024A engine sling.
- Insert bolt -1- in center bore of 2024A engine sling and secure using
cotter pin.
- Attach 2024A engine sling bolt to 10-222A engine support bridge
spindle.
- Attach 2024A engine sling to mounting eyes at front and rear of engine.
Pa
ge 17 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-14

- Using 10-222A engine support bridge spindle, lift
up engine as far as possible.

Note:
Lift engine only as far as possible without over-
stretching or damaging any pipes or coolant
hoses. Check for clearance of viscous fan; if
necessary remove.

- Release tension on ribbed belt Page 13
-
15
.

- Secure belt pulley for viscous fan using M5 x 60 mm bolt and unbolt
using 8mm hex socket wrench.
- Remove viscous fan and place forward in fan frame.

- Use VAG1202A engine hoist to support subframe.
Pa
ge 18 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-15


Note:
Only loosen or lower subframe at front to avoid changing wheel
alignment. - First remove front bolts -2- and -3- from subframe, then remove bolt -1-
.

- Using VAG1202A engine hoist slowly lower subframe.
- Pull out VAG1202A engine hoist and swing stabilizer down.
Pa
ge 19 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1

17-16

Vehicles with manual transmission

Vehicles with automatic transmission - Loosen left transmission mount nut (arrow) until it is aligned with lower
edge of bolt (approx. 4 turns).

- Loosen rear bolt -2- for left transmission mount several turns. Remove
front bolt -1- for left transmission mount.
Pa
ge 20 of 33 Lubrication s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.17.1