Volkswagen Golf Service & Repair Manual: Work instructions

Volkswagen Golf Service & Repair Manual / Brake system (hybrid) / Brakes, hydraulics, regulator, servo / Brake lines / Work instructions

Unbolt relevant brake line at brake caliper or wheel brake cylinder; catch escaping brake fluid and dispose of this as per regulations.

–	Cut through brake line at a suitable point (straight, freely accessible section) using pipe cutter -2-.

–	Remove section to be renewed.

–	Degrease brake line surface.

Work instructions

–	Clamp brake line in set of grips -4- so that approx. 50 mm project from plastic jaws.

–	Clamp scraper -3- into a drill and place it onto brake line.

–	At slow drill speed and with gentle pressure on brake line, scrape coating off brake line.

Length of scraping is determined by stop in scraper.

–	Pull scraper off brake line and remove scrapings.

Work instructions

–	Remove grip wrench and slide brake line nut -D- onto brake line.

Work instructions

–	Slide brake line -B- up to stop -A- in flanging tool.

Note

Brake line must be positioned against stop when the hexagon socket head bolts are tightened, or the flange will not be formed correctly.

–	Clamp brake line in flanging tool until brake line can no longer be moved. Fold up stop -A-, then tighten hexagon socket head bolts diagonally using angle screwdriver -C-.

Work instructions

–	Turn spindle as far as stop in flanging tool.

–	Turn spindle back again.

–	Unscrew hexagon socket head bolts in diagonal sequence.

–	Remove brake line from flanging tool, then clean and inspect brake line and flange.

Briefly flush the section of brake line remaining in the vehicle:

–	Connect brake filling and bleeding unit -VAS 5234-, connect hose of bleed bottle to brake line flange and allow brake filling and bleeding unit -VAS 5234- to run briefly until a little brake fluid has run through.

–	Blow out new brake line to be inserted with compressed air.

Work instructions

–	Join brake lines using connector -E-.

–	Install brake line.

–	Bleed brake system → Chapter.

Work instructions

Assembly overview - flanging tool

1 - Flanging tool upper part Unbolt to change flanging jaws 2 - Fastening for handle Must be unscrewed to access ...

Hydraulic system

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