1998 OPEL FRONTERA Workshop Manual

Page 1033 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–77
ENGINE MECHANICAL
Piston and Connecting Rod
Piston, Connecting Rod and Associate Parts
015RW019
Legend
(1) Cylinder Head Assembly
(2) Cylinder Head Gasket
(3) Crankcase with Oil Pan
(4) Oil Pi

Page 1034 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–78
ENGINE MECHANICAL
015RS031
Remove any ridge or carbon build up from the top
end of the cylinder.
9. Remove  the  piston  rings  (8)  with  a  piston  ring
expander.  Arrange  the  removed  pis

Page 1035 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–79
ENGINE MECHANICAL
015RV014The  size  mark  (1)  for  piston  outside  diameter  is
represented as shown in illustration below.
Outside Diameter
Size Mark A : 93.360 mm–93.370 mm
(3.6756 in

Page 1036 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–80
ENGINE MECHANICAL
015RS026
Positioning  mark  (1)  is  painted  as  shown  in  the
illustration.
Marked T : No.1 Compression ring
Marked T2 : No.2 Compression ring
015RS027
2. Measure  the  cl

Page 1037 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–81
ENGINE MECHANICAL
Connecting Rods (11)
1. Check the connecting rod alignment If either the bend
or the twist exceeds the specified limit, the connecting
rod must be replaced.
Bend per 100 mm (

Page 1038 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–82
ENGINE MECHANICAL
4. Reinstall  the  rod  caps  (12)  to  their  original
positions.
Tighten the rod cap nuts.
Torque: 54 Nꞏm (5.5 Kgꞏm/40 lb ft)
NOTE: Do not allow the crankshaft to rotat

Page 1039 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–83
ENGINE MECHANICAL
Attach  the  piston  to  the  connecting  rod  with  the
piston front mark and the connecting rod front mark
on the same side.
015RS036
With 5–8840–0551–0 Piston pin se

Page 1040 of 6000

OPEL FRONTERA 1998  Workshop Manual 6A–84
ENGINE MECHANICAL
Tighten the connecting rod cap nuts
Torque : 54 Nꞏm (5.5 Kgꞏm/40 lb ft)
NOTE: Do not apply engine oil to the bearing back faces.
6. Oil gallery, refer to “Crankshaft an