S5 Workshop Manual Engine
Parts to be tightened according to the Specified Angle:
■ Use angle wrench to finally tighten the following engine parts:
—— Cylinder head bolt
—— Main bearing cover bolts
—— Connecting rod cap nut
—— Crankshaft belt pulley bolts (it is unnecessary to use angle wrench, because bolt
flange is used for fixing groove tightened according to fix angle).
■ Do not finally tighten them according to torque value.
■ Torque value of these parts is applied to pre-tightening steps.
■ Keep surface of thread and base seat clean and apply oil on it.
Dismantling Sealant:
■ After dismantling fixing nuts and bolts,
use a scraper to separate matching surface
and dismantle oil sealant.
■ Pay attention not to damage matching
surface.
■ Insert the scraper, and then, as shown
in figure, knock it and slide it from the
side.
■ In some places where it is difficult to
use scraper, please use plastic hammer to
slightly knock the parts and dismantle
them.
■ If it is inevitable to use screwdriver and other tools, please pay attention not to
damage the matching surface.
Steps for Application of Sealant:
■ Use a scraper to remove oil sealant on
the surface of cushion and matching
surface.
■ Completely remove oil sealant from the
groove, fixing bolts and bolt holes.
■ Use lead-free gasoline to clean sealant
application surface and matching surface,
and remove the attached water, grease
and foreign matters.
■ Put the sealant with the specified size
completely onto the specified position.
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