1999-2005大众捷达 高尔夫 GTI发动机活塞及连杆拆装手册 英.pdf

Piston and connecting rod, disassembling and assembling Página 1 de 13
13-39

Piston and
connecting
rod,
disassembling
and
assembling
1 - Piston rings
Offset gaps by
120
Use piston
ring pliers to
remove and
install
"TOP" faces
towards piston
crown
Checking ring
gap Fig. 1
Checking ring
to groove
clearance
Fig. 2
2 - Piston
Checking
Fig. 3
Mark
installation
position to
connecting rod
and cylinder
Flatter side of
piston crown
faces toward
center of
cylinder block
Install with
piston
installation tool
(funnel) 3278
Fig. 5
http://ebahn./vw/servlet/Display?action=Next&type=repair&id=... 12/2/2005
Piston and connecting rod, disassembling and assembling Página 2 de 13
3 - Snap ring
http://ebahn./vw/servlet/Display?action=Next&type=repair&id=... 12/2/2005
Piston and connecting rod, disassembling and assembling Página 3 de 13
13-40


4 - Conrod
Only
replace
as a
set
Mark
position
to
cylinder
-B-
Installation
position:
Marks -A-
must be
aligned
above one
another
5 - Bearing
shell
Observe
installation
position
Do not
interchange
used
bearing
shells
Lugs on
bearing
shells
must fit
tightly in
recesses
Axial
clearance,
New:
...
mm, Wear
limit:
mm

Check
radial
clearance
with
http://ebahn./vw/servlet/Display?action=Next&type=repair&id=... 12/2/2005
Piston and connecting rod, disassembling and assembling Página 4 de 13
Plastigage:
New:
...
mm, Wear
limit:
mm. Do
not turn
crankshaft
when
checking
radial
clearance
http://ebahn./vw/servlet/Display?action=Next&type=repair&id=... 12/2/2005
Piston and connecting rod, disassembling and assembling Página 5 de 13
13-41


6 - Conrod
bearing
cap
Mark
position
to
cylinder
-B-
Installa