Join Date: Aug 2014
Location: Montreal Canada
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VW is pretty stiff on this every two years with DOT 4 fluid. If you never change brake fluid and change brake pads a few years later, then contaminated fluid will flow back when pistons are compressed to allow new pads to fit since they are thicker than worn out ones. This can damage the ABS solenoid valves among other things. Before the advent of ABS, seizure/leakage of caliper pistons on disk brakes and seizure/leakage of drum brake cylinder due to corrosion. Also pulling to one side and longer braking distances...Hard to detect today with ABS and skid controls on most vehicles! I'd say change the fluid every 3-4 years no more unless you don't want to keep the vehicle. My GF has a 2008 Civic bought new in Spring of 2009 and she won't listen to me when I say "get the brake fluid changed or it's gonna cost you!" She keeps postponing trading-in the car for a compact SUV and feels changing brake fluid is wasting money. The new Honda HR-V, Mazda CX-3 and Nissan Quashi (or something like that) are all coming our way next year. Hopefully in the mean time, her brake system will survive...
No matter the make of the car (I'm not talking high end or sports cars), generally speaking brake components are pretty much made of the same material, cast iron for the disk brake calipers and also cast iron for drum brake wheel cylinders with chrome plated piston both subject to corrosion! I'm dreaming of a new long life or lifetime, high boiling point, anticorrosive brake fluid. It's long overdue.
'14 SL Pearl White.Hood deflector, beige rubber floor mats, ss rear bumper protector. Curt hitch. Wheel locks. Blizzak DM-V1 245/70/17 w/steelies & wheel covers . Chrome rear license frame. Lower a/c rad aluminium diamond mesh grille. Wide angle blind spot mirror driver's side. Cargo protector (2 36"X55" brown carpet). Soundproofed. Cargo net. LED front parking & doors, cargo, fogs, backup. Bosch Icon & winter wipers w/springs. Seat covers. HL Alenza. Cross bars.