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Removing and installing ribbed belt >
< Toothed belt
A4 Mk1
Power unit
6-cylinder Engine (2-valve) Mechanics
Enginecrankshaft group, pistons / Crank assembly
Disassembling and assembling cylinder crankcase, crankshaft and flywheel
6-cylinder Engine (2-valve) Mechanics
Crank assembly
Disassembling and assembling cylinder crankcase, crankshaft and flywheel
Note:
◆
Always replace seals and gaskets.
Main bearing cap bolts
◆
Replace
◆
60 Nm + 180° (1/2 turn)
Crankshaft main bearing cap
◆
Identification -1- on oil pump side
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Replace bolt for main bearing caps
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Checking bearing clearance
Conrod bearing bolts
◆
Replace
◆
30 Nm + 90° (1/4 turn)
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To measure radial clearance tighten to 20 Nm but not further
Conrod journal
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Do not interchange used bearing shells
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Conrod, conrod bearing
Piston ring
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Checking
Piston
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Checking => Page
13-23
Crankshaft
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Checking => Page
13-23
Oil pump
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Removing and installing => Page
17-2
10 Nm
Thrust washer
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Measuring axial clearance of crankshaft
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On 4th crankshaft bearing only
60 Nm +90°(1/4 turn)
◆
Vehicles with automatic gearbox
11 - 40 Nm + 180° (1/2 turn)
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Vehicles with manual gearbox
Flywheel/driven plate
◆
Removing and installing
◆
Removing and installing needle bearing =>Page
13-17
◆
Adjust bracket of sender for engine speed, Repair Group 28
Crankshaft bearing
◆
Checking axial and radial clearance => Page
13-21
Sealing ring
◆
Replacing => Page
13-21
.
10 Nm
25 Nm
◆
Screw in bolts by hand before tightening the main bearing caps
Crankcase
Power unit
6-cylinder Engine (2-valve) Mechanics
Enginecrankshaft group, pistons / Crank assembly
Disassembling and assembling cylinder crankcase, crankshaft and flywheel
Removing and installing ribbed belt >
< Toothed belt