tow AUDI TT 1995 8N / 1.G AEB ATW Engines Pistons And Connecting Rods Workshop Manual
Page 1 of 9
13-53
 
  
Pistons and connecting rods, 
disassembling and assembling 
1 - 
Nut for connecting rod bolt 
30 Nm (22 ft lb) + additional 1/4 turn (90 )Always replace connecting rod bolt -13-Grease thread and contact surfaceTo measure radial play, tighten to 30 Nm 
(22 ft lb) but not any further 
2 - 
Pressure relief valve Tightening torque: 27 Nm (20 ft lb)Opening pressure: 2.5-3.2 bar (36.25-46.4 
psi) 
3 - 
Oil spray nozzle For piston cooling
4 - 
Connecting rod bearing cap Mark -B- to indicate which cylinder each 
cap belongs to 
  Installed position:Marks -A- point toward belt pulley side
Pa
ge 1 of 9 Pistons and connectin
g rods, disassemblin
g and assemblin
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.GE02.13.4 
Page 4 of 9
13-56
 
  
8 - 
Connecting rod 
Replace only as a setMarkings -B- indicate which cylinder each 
rod belongs to 
  Installed position:Marks -A- point toward belt pulley sideWith oil bore for piston pin lubrication
9 - 
Circlip 
10 - 
Piston pin If stiff, warm pistons to approx. 60 C 
(140 F) When removing and installing, use 
VW222a pilot drift 
11 - 
Piston rings Offset by 120Use piston ring pliers to remove and installMarking "TOP" must point to piston headChecking piston ring end gap  Fig.   1Checking piston ring side clearance   Fig. 
 2
 
Pa
ge 4 of 9 Pistons and connectin
g rods, disassemblin
g and assemblin
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.GE02.13.4 
Page 5 of 9
13-57
 
  
12 - 
Pistons 
CheckingMark installation position and matching 
cylinder Arrow on piston head points toward belt 
pulley side Install using piston ring compressor
13 - 
Connecting rod bolt Always replace
Pa
ge 5 of 9 Pistons and connectin
g rods, disassemblin
g and assemblin
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.GE02.13.4