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Audi Q7 2007 Workshop Manual

Audi Q7 2007
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Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
Repair Group 13 Crankshaft group
6
100
Procedure
Set up dial gauge -VAS 6079- with -VW 382/7- and
-VW 385/17-.
Measure piston projection at two points -1- for each pis-
ton.
Cylinder head gasket identification
1- Holes
2- Part No.
The gaskets for the left and right cylinder heads have different
shapes and cannot be interchanged.
4.3 Piston and cylinder dimensions
4.4 Checking radial clearance of conrod bear-
ings
Special tools and workshop equipment required
Plastigage
Procedure
Remove conrod bearing cap. Clean bearing cap and bearing
journal.
Place a length of Plastigage corresponding to the width of
the bearing on the bearing journal or bearing shell.
Fit conrod bearing cap and tighten to 30 Nm. Do not rotate
crankshaft.
Remove conrod bearing cap once more.
Compare width of Plastigage with measurement scale:
Piston projection above top
surface of cylinder block
Identification
(No. of holes)
0.39 0.49 mm 1
0.49 0.54 mm 2
0.54 0.65 mm 3
Honing dimension
(in mm)
Piston Cylinder bore
Basic dimension 82.939 82.951
1)
83.006 83.014
Repair oversize 82.979 82.991
1)
83.046 83.054
1)
Dimensions not including graphite coating (thickness
0.02 mm). The graphite coating will wear down in serv-
ice.
Note
更多资料请访问深度汽车论坛 http://shenduauto.com/ 客服QQ:1398556747 电话:18218750259

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Audi Q7 2007 Specifications

General IconGeneral
BrandAudi
ModelQ7 2007
CategoryAutomobile
LanguageEnglish

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