Audi Workshop Service and Repair Manuals > A4 Mk2 > Power unit | 4-cylinder TDI unit injector engine (1.9 ltr.; 2.0 ltr. 2-valve), mechanics | Enginecrankshaft group, pistons | Crankshaft | Removing and installing sender wheel for engine speed sender G28

Removing and installing sender wheel for engine speed senderG28

Removing and installing sender wheel for engine speed sender -G28-

Removing

–	Unscrew bolts -2- and remove sender wheel -1- from crankshaft.

Installing

Installation is carried out in the reverse order; note the following:

–	Sender wheel -2- must always be renewed after slackening off bolts -1-.

Note

t	If the countersunk bolts are tightened a second time, the seats for the bolt heads in the sender wheel will be deformed to such an extent that the bolt heads make contact with the crankshaft -3--arrows- and the sender wheel beneath the bolts will be loose.

t	Sender wheel can only be installed in one position. Holes are off-set.

Tightening torque

Component

Sender wheel to crankshaft

10 + 90° ¹⁾

l	¹⁾ Renew bolts.

Audi Workshop Service and Repair Manuals