Audi Q7 2007 - Checking Piston Projection at TDC

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
4 Dismantling and assembling pistons and conrods
99
6
Conrod installation position
The larger contact shoulder on the conrod -arrows- faces to-
wards the adjacent main bearing.
Illustration shows front pair of conrods.
4.2 Checking piston projection at “TDC”
♦ Piston projection at “TDC” must be measured when install-
ing new pistons or a short engine. Depending upon piston
projection, install the corresponding cylinder head gasket
according to the table below:
♦ If the measured values for piston projection are not the
same for all pistons, use the highest value to determine the
correct gasket size.
♦ The cylinder head gasket must be determined separately
for each cylinder bank.
Special tools and workshop
equipment required
♦ -VW 382/7- from meas-
uring tool -VW 382-
♦ -VW 385/17- from uni-
versal measuring tool
-VW 385-
♦ Dial gauge -VAS 6079-
Note
Note
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