Audi Q7 2007 Workshop Manual

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
3 Removing and installing crankshaft
95
6
♦ Dial gauge -VAS 6079-
Procedure
– Bolt dial gauge with dial gauge bracket -VW 387- onto cyl-
inder block and apply gauge against crank web.
– Push crankshaft against dial gauge by hand and set gauge
to “0”.
– Push crankshaft away from dial gauge and read off value.
Axial clearance:
• New: 0.090 ... 0.215 mm.
• Wear limit: 0.280 mm.
3.4 Measuring radial clearance
Special tools and workshop equipment required
♦ Plastigage
Procedure
♦ Do not interchange used bearings.
♦ Bearing shells worn down to nickel layer must be renewed.
– Remove retaining frame and clean bearing journals.
– Place a length of Plastigage corresponding to the width of
the bearing on the bearing journal or bearing shell.
• The Plastigage must be positioned in the centre of the
bearing shell
– Fit retaining frame and tighten to 30 Nm. Do not rotate
crankshaft.
– Remove retaining frame once more.
– Compare width of Plastigage with measurement scale:
Radial clearance:
• New: 0.018 ... 0.045 mm.
• Wear limit: 0.10 mm.
Note
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Audi Q7 2007 Specifications

General

Brand	Audi
Model	Q7 2007
Category	Automobile
Language	English