Bleeding Sequence

1980 Triumph SpitfireSECTION 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.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.