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4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
4
Pistons and conrods
⇒ “4.2 Removing and installing pistons”, page 83
⇒ “4.3 Checking pistons and cylinder bores”, page 84
⇒ “4.4 Separating new conrod”, page 86
⇒ “4.5 Checking radial clearance of conrods”, page 87
4.1
Assembly overview - pistons and conrods
1 - Bolts
❑ Renew after removal
❑ Apply engine oil to
thread and contact sur‐
face
❑ Use old bolts to meas‐
ure radial clearance.
❑ 45 Nm +90°
2 - Conrod bearing cap
❑ Observe installation po‐
sition
❑ Conrod bearing cap on‐
ly fits in one position and
only on the appropriate
conrod due to the break‐
ing procedure (crack‐
ing) separating the cap
from the conrod
❑ Mark allocation to cylin‐
der and conrod in colour
-A-
❑ Installation position:
Marking -B- faces to‐
wards pulley end.
❑ Separating new conrod
⇒ page 86 .
3 - Bearing bushes
❑ Fitting position
⇒ page 81
❑ Renew worn bearing
shells
❑ Apply engine oil before
installing
❑ Axial clearance
♦ New: 0.10 … 0.35 mm
♦ Wear limit: 0.40 mm
❑ Measuring radial clearance ⇒ page 87
4 - Connecting rod
❑ Renew as set only.
❑ Mark allocation to cylinder and to conrod bearing cap
❑ Installation position: Marking -B- faces towards pulley end.
❑ Separating new conrod ⇒ page 86 .
❑ Measuring radial clearance ⇒ page 87
80
Rep. gr.13 - Crankshaft group
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