Table of Contents > Descriptions of work > Brake fluid level: checking

VW Passat B7 Service Manual ➜ Brake fluid level: checking

Passat 2011 ➤ , Passat Variant 2011 ➤  
Maintenance - Edition 01.2019  
– Inspect outer pad to determine its thickness.  
– Illuminate inner pad with an electric hand torch and mirror.  
– Determine thickness of inner pad by inspecting.  
a - Inner and outer pad thickness without backplate  
Wear dimension: 2 mm  
The brake pads have reached their wear limit at a pad thickness  
of 2 mm (without backplate) and must be renewed (repair meas‐  
ure). Inform customer!  
When replacing brake pads, always check brake discs as well for  
wear! Checking and if necessary replacing the brake discs is a  
repair measure.  
– Check brake disc for wear:  
⇒ Brake system; Rep. gr. 46 ; Rear brake; Assembly overview -  
rear brake  
For technical reasons it is possible that several cross references  
are not directed to the correct chapter. In this case select the pro‐  
cedure manually in the information.  
Brake discs: checking condition  
Check all brake discs for the following damage pattern:  
♦ Cracks  
♦ Scoring  
♦ Rust (no surface rust)  
♦ Burrs on circumference of brake disc  
Inform customer if brake disc damage is similar to these damage  
patterns. Renewing the brake discs is a repair measure.  
Brake fluid level: checking  
Note the following:  
On right-hand drive vehicles, the brake fluid reservoir is located  
on the right side in engine compartment.  
The brake fluid is dependent on pad wear.  
Brake fluid VW 501 14 with part number -B 000 750- must be  
4. Descriptions of work:  
Passat 2011 ➤ , Passat Variant 2011 ➤  
Maintenance - Edition 01.2019  
♦ Never allow brake fluid to come into contact with fluids that  
contain mineral oils (e.g. oil, petrol, cleaning agents). Min‐  
eral oils will damage seals and rubber grommets of brake  
♦ Brake fluid is poisonous. In addition, due to its corrosive  
nature, it must not come into contact with paint.  
♦ Brake fluid is hygroscopic, which means it absorbs mois‐  
ture from the ambient air and should therefore always be  
stored in air-tight containers.  
♦ Rinse off spilled brake fluid using plenty of water.  
♦ Observe relevant disposal regulations.  
Brake fluid level at delivery inspection:  
– At delivery inspection the fluid level must be at MAX. marking.  
In order that brake fluid does not overflow the reservoir, MAX  
marking -1- must not be exceeded.  
Brake fluid level at inspection service  
The fluid level must always be judged in conjunction with lining/  
pad wear.  
When vehicle is in use, fluid level tends to drop slightly due to  
lining/pad wear and automatic adjustment.  
Recommended brake fluid level, if brake pads are almost at  
wear limit:  
“At MIN marking or just above” -2-, “REPLENISHING IS NOT  
Recommended brake fluid level when brake pads are new or  
well within pad wear limit:  
“Between MIN and MAX marking”.  
If fluid level is below MIN marking -2-, leak-tightness of brake  
system must be checked before fluid is topped up, “Repair  
Diesel particulate filter: checking  
– Check ash loading ⇒ Vehicle diagnostic tester.  
Dual clutch gearbox 02E: changing gear  
oil and filter  
⇒ 6-speed dual clutch gearbox 02E; Rep. gr. 34 ; Gear oil;  
Draining and filling gear oil  
4. Descriptions of work:  

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