light AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

13-11

Toothed belt, removing and installing


Removing

CAUTION!

Mark the direction of belt travel before
removing, using a crayon or marker.
Reinstalling a used belt in the opposite
direction could damage the belt.

- Remove ribbed belt page 13
-9 .

- Unclip toothed belt guard on both sides.

- Crank engine by hand to Top Dead Center (TDC) position.
- Check camshaft position. Large holes in camshaft sprocket locking
plates must face toward each other. If not, turn crankshaft one more
revolution.
- Remove Crankshaft Position (CKP) sensor from left-hand side of
cylinder block.
The TDC hole in the crankshaft must be aligned with the hole for the
removed crankshaft position sensor (check by looking and feeling).

- Thread crankshaft holder 3242 into hole left by crankshaft position
sensor, and tighten slightly.
- Remove ribbed-belt tensioner.
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13-31

Connecting rods and connecting rod
bearings, checking


Replace connecting rods only as a complete
set.
Do not interchange connecting rod bearings.
Always replace connecting rod bearing cap
bolts.

Checking radial clearance

CAUTION!
Do NOT turn the crankshaft or allow it to rotate during the
measurement with Plastigage in place. - Mark connecting rod bearing caps with light punch marks (arrow)
before removing.
- Remove connecting rod bearing caps.
- Clean bearing caps and journals.
-
Place Plastigage over entire width of bearing journal or in bearing
shell. - Re-install connecting rod bearing cap and tighten to 20 Nm (15 ft lb)
only; do NOT tighten further.
Pa
ge 31 of 32 C
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE01.13.4