Bleeding Sequence

Before bleeding system, exhaust all vacuum from power unit by depressing brake pedal several times. Bleed hydraulic system in the following sequence:

BLEEDING SEQUENCE

Application

Sequence

Audi & Volkswagen⁽¹⁾

RR, LR, RF, LF

BMW⁽²⁾

Longest Line First

Chrysler Corp. Imports

Champ & Colt Hatchback

LR, RF, RR, LF

All Others⁽³⁾

RR, LR, RF, LF

Courier⁽⁴⁾

Longest Line First

Datsun

310

Master Cyl., LR, RF, RR, LF

810

Longest Line First

Pickup

Master Cyl., Comb. Valve, Longest Line First

All Others

Master Cyl., Longest Line First

Fiat

Longest Line First

Fiesta⁽⁵⁾

RF, LR, LF, RR

Honda

LF, RR, RF, LR

Jaguar⁽⁶⁾

LR, RR, Front

LUV

Shortest Line First

Mazda⁽⁷⁾

Longest Line First

Mercedes-Benz

Longest Line First

MG⁽⁸⁾

Shortest Line First

Peugeot⁽⁹⁾

Longest Line First

Porsche⁽¹⁰⁾

LR, RR, RF, LF

Renault

Longest Line First

Saab

LR, RF, RR, LF

Subaru

Master Cyl., LR, RF, RR, LF

Toyota

Longest Line First

Triumph

Spitfire⁽¹¹⁾

RR, LR, RF, LF

TR7 & TR8⁽¹²⁾

RF, LF, RR, LR

Volvo⁽¹³⁾

LF, RF, RR, LR

⁽¹⁾	Before bleeding rear brakes, push brake pressure regulator in direction of rear axle.

⁽²⁾	The 528i and 633Csi have 3 bleed valves on each front caliper. Bleed lower inboard valve first, then other 2 at same time.

⁽³⁾	Arrow with rear drum brakes does not require bleeding of RR.

⁽⁴⁾	Front and rear circuits are independent. Bleed each circuit separately.

⁽⁵⁾	Container must be 12" (300 mm) higher than bleed valve. Before bleeding each rear wheel, apply parking brake; release after bleeding each rear wheel.

⁽⁶⁾	Engine running at idle speed.

⁽⁷⁾	GLC has independent front and rear circuits. Bleed each circuit separately.

⁽⁸⁾	Before bleeding, disconnect and unscrew brake failure switch 3 1/2 turns. Tighten and reconnect after bleeding.

⁽⁹⁾	If pressure tank is used, bleed all wheels at same time.

⁽¹⁰⁾	If equipped with inner and outer caliper bleed valves, bleed outer valve first, then inner.

⁽¹¹⁾	Use light pedal pressure. DO NOT use full pedal travel.

⁽¹²⁾	Remove pressure differential switch before bleeding.

⁽¹³⁾	Rear wheels must be higher than front wheels. Front calipers are each equipped with 3 bleed valves. Bleed all 3 valves at same time.