check oil AUDI A4 1998 B5 / 1.G AWM Engine Pistons And Connecting Rods Workshop Manual

13-80


2 -
Connecting rod bearing cap
Mark cylinder number -B-Installation position: Markings -A- face
towards pulley side
3 -
Bearing shells Upper bearing shell with oil bore for piston
bolt lubrication Installation position Fig. 5
, Page
13
-85

Do not interchange used bearing shells
(mark). Axial clearance New: 0.10 to 0.35 mm,
Wear limit: 0.40 mm Check radial clearance with Plastigage :
New: 0.01 to 0.05 mm, Wear limit: 0.12
mm. Do not rotate crankshaft when
checking radial clearance
Pa
ge 2 of 8 Pistons and connectin
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE06.13.4

13-83


Fig. 1 Checking piston ring gap
- Push ring squarely from above down to approx. 15 mm from bottom
end of cylinder. To do this, use a piston without rings. Piston ring
Dimensions in mm
New
Wear limit
1. compression ring 0.20 to 0.40 0.8
2. compression ring 0.20 to 0.40 0.8
Oil scraper ring 0.25 to 0.50 0.8

Fig. 2 Checking ring to groove clearance
- Clean groove before checking clearance.Piston ring
Dimensions in mm
New
Wear limit
1. compression ring 0.06 to 0.09 0.20
2. compression ring 0.05 to 0.08 0.20
Oil scraper ring 0.03 to 0.06 0.15
Pa
ge 5 of 8 Pistons and connectin
g rods, disassemblin
g and assemblin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.13.4