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3 Pistons and conrods
3.1 Assembly overview - pistons and conrods
1 - Conrod bolt
❑ 45 Nm + 90° further
❑ Renew.
❑ Oil threads and contact
surface.
❑ Use old bolt for measur‐
ing radial clearance.
❑ To measure radial clear‐
ance, tighten to 30 Nm
but not further.
2 - Conrod bearing cap
❑ Note installation posi‐
tion.
❑ The conrod bearing cap
only fits in one position
and only on the appro‐
priate conrod due to the
breaking procedure
(cracking) separating
the cap from the conrod.
❑ Mark with cylinder num‐
ber -A-.
❑ Installation position:
Marking -B- faces to‐
wards pulley end.
❑ Separating new conrod
⇒ page 39 .
3 - Bearing shells
❑ Installation position
⇒ page 38 .
❑ Do not interchange
used bearing shells
(mark).
❑ Axial clearance new:
0.10…0.35 mm, wear
limit: 0.40 mm
❑ Measure radial clearance using Plastigage; new: 0.02…0.06 mm; wear limit: 0.09 mm. Do not rotate
crankshaft when checking radial clearance.
4 - Pressure relief valve
❑ 27 Nm
5 - Oil spray jet
❑ For piston cooling.
6 - Circlip
7 - Piston pin
❑ If difficult to move, heat piston to approx. 60 °C.
❑ Remove and install using drift -VW 222 A- .
8 - Piston
❑ Check ⇒ page 38 .
Amarok 2011 ➤
4-cylinder injection engine (2.0 l direct injection engine, turbocharger) - Edition 02.2011
36 Rep. gr.13 - Crankshaft group
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