Passat Wagon L4-1.9L DSL Turbo (AAZ) (1996)
Piston Ring: Service and Repair
LEGEND
1
Piston Ring
2
Piston
3
Piston Pin
4
Circlip
5
Connecting Rod
6
Bearing Shell
7
Cylinder Block
8
Connecting Rod Bearing Cap
9
Locating Pin
10
Oil Spray Jet
11
Bolt
12
Connecting Rod Bolt
NOTE: During removal and installation procedures, refer to the component location illustration above and component notes below.
COMPONENT NOTES
Piston Ring (1)
-
Offset ring gaps by 120°.
-
Remove and install using piston ring pliers.
-
OBEN" points toward the piston crown.
-
Ring gap and ring to groove clearance, refer to Piston Ring, Engine for procedure.
Piston (2)
-
Mark piston installed position and cylinder orientation.
-
Arrow on piston crown points toward pulley end.
-
Install using piston ring clamp.
-
If there are cracks on piston skirt, replace piston.
-
When replacing pistons, protrusion must be measured and the correct head gasket selected, refer to Cylinder Head Gasket.
Piston Pin (3)
-
If difficult to remove, heat piston to 60°C.
-
Remove and install using press tool No. VW 222a, or equivalent.
Connecting Rod (5)
-
Only replace as a set.