Audi A8 2003 Workshop Manual page 147

– Cut through brake line at a suitable point (straight, easily ac‐
cessible section of pipe) using pipe cutter -2-.
– Remove section of pipe to be replaced.
– De-grease outside surface of brake lines.
– Clamp brake line in mole grips -4- so that approx. 50 mm of
pipe protrudes from plastic jaws.
– Clamp brake line scraper tool -3- in electric drill and apply tool
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– With electric drill running at slow speed, exert light pressure
and strip off coating from brake line.
The length of the coating that is stripped off is determined by the
limit stop incorporated in the brake line scraper tool.
– Pull scraper tool off brake line and clean off residue of coating.
– Remove mole grips and slide union screw -D- onto brake line.
– Push brake line -B- against limit stop -A- in flanging tool.
Note
The brake line must be in contact with the limit stop when the
socket head bolts are tightened, otherwise the flanged connection
on the brake line will not be formed correctly.
– Clamp brake line in flanging tool tightly enough to prevent it
from moving. Then fold up limit stop -A- and fully tighten socket
head bolts in diagonal sequence using Allen key -C-.
Audi A8 2003 ➤
Brake system - Edition 03.2013
14. Repairing brake lines
141