Volkswagen CJDA Workshop Manual page 200

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
q Insert bearing shells centrally.
q Make sure it is firmly seated
q Axial clearance, wear limit: 0.37 mm
q Check radial clearance with Plastigage; wear limit: 0.08 mm. Do not rotate crankshaft when checking
radial clearance.
7 - Cylinder block
q Checking cylinder bores
q Piston and cylinder dimensions
8 - Conrod bearing cap
q Note installation position
q Due to the cracking method used to separate the bearing cap from the conrod in manufacture, the
caps only fit in one position and only on the appropriate conrod.
q Separate new conrod
9 - Oil spray jet
q For piston cooling.
10 - 25 Nm
q Insert without sealant
11 - Conrod bolt, 30 Nm +
q Renew
q Oil threads and contact surface.
q Use old bolts to measure radial clearance.
Checking piston ring gap
Special tools and workshop equipment required
◆ Feeler gauges
Test procedure
– Push piston ring at right angles from above down to approx.
15 mm from bottom end of cylinder.
Piston ring
1st compression ring
2nd compression
ring
Oil scraper ring
184 Repair Group 13 - Crankshaft group
⇒ F ig. on page
185.
⇒ P age
188.
⇒ P age 185
1
/ turn (90°) further
4
Ring gap
New
m 0.20...0.40
m
m 0.20...0.40
m
m 0.25...0.50
m
Wear limit
1.00
1.00
1.00