Peugeot Satelis - Service manual > Bleed procedure

Reminder:

• The rear brake hydraulic system is drained using the LH lever.
• The front brake hydraulic system is drained using the RH lever.
• The front and rear brake systems are drained the usual way.
• The brake assistance circuit is drained by actuating the modulator pump by means of the diagnostic tool.

Note:

• Plastic parts must be protected from brake fluid splashes.
• Remove the hook or plastic strap in order to free the control lever.

Equipment required:

• 500 ml brake fluid of minimum grade: DOT4.
• Bleed syringe. P/N: 754306.
• Transparent pipe.
• 2 additional 100 ml reservoirs.

Draining the rear brake circuit.

• Remove the cover from the LH master cylinder.
• Using the syringe, empty the LH master cylinder.
• Position the handlebars so that the master cylinder is in its uppermost position, in order to expell the air bubbles from the circuit.

• Fill the syringe equippd with a transparent pipe with brake fluid.
• Connect the syringe to the bleed screw of the rear calliper.
• Open the bleed screw by 1 to 2 turns.
• Inject the brake fluid slowly into the circuit until the level inside the reservoir is halfway up.
• Close the bleeder screw.

• Slowly actuate the brake control lever by displacing it 2 cm (A) maximum from its rest position until no more bubbles can be seen coming up through the master cylinder.
• This operation can take a few minutes.

• Connect a reservoir containing brake fluid to the rear brake calliper bleed screw using a transparent pipe. The reservoir must be kept higher than the brake calliper to easily check that the air bubbles are being expelled.
• Open the bleed screw by 1 to 2 turns.

• Actuate the LH brake lever in an even way and without undue haste while topping up with brake fluid in the master cylinder.

Note: Don't lean over the master cylinder when bleeding the circuit in order not to get splashed by brake fluid.

• Stop the operation when no more bubbles are expelled from the calliper bleeder screw.
• Close the caliper bleed screw.
• Check the firmness of the lever without roughly squeezing the lever to avoid the brake fluid from splashing out.
• Otherwise, repeat the operation from the beginning.
• Check the brake fluid level and if necessary top up in the master cylinder, and re-fit the master cylinder cover.

Bleeding the assistance circuit.

Note: Before servicing the assistance system you must absolutely be sure that the battery is perfectly charged, as a considerable voltage drop would immediately turn off the assistance pump.

• Connect the additional reservoir equipped with a transparent pipe to the modulator's reservoir screw plug (1) and fill
• Open the screw plug by 2 or 3 turns.

• Connect the reservoir containing brake fluid to the front brake calliper bleed screw using a transparent pipe. The reservoir must be kept higher than the brake calliper to easily check that the air bubbles are being expelled.
• Open the bleed screw by 1 to 2 turns.
• Turn on the ignition.
• Connect the diagnostic tool and actuate the modulator pump.
• Regularly add brake fluid in the additional reservoir.
• Stop the operation when there are no more bubbles in the transparent pipe.
• Close the bleeder screw.

As a precautionary measure, the pump shall not continuously operate for more than 2 minutes.

Draining the front brake circuit.

• Remove the cover from the RH master cylinder.
• Using the syringe, empty the RH master cylinder.
• Position the handlebars so that the master cylinder is in its uppermost position, in order to expell the air bubbles from the circuit.

• Fill the syringe equippd with a transparent pipe with brake fluid.
• Connect the syringe to the bleed screw of the front calliper.
• Open the bleed screw by 1 to 2 turns.
• Inject the brake fluid slowly into the circuit until the level inside the reservoir is halfway up.
• Close the bleeder screw.

• Slowly actuate the brake control lever by displacing it 2 cm (A) maximum from its rest position until no more bubbles can be seen coming up through the master cylinder.
• This operation can take a few minutes.

• Connect the reservoir containing brake fluid to the modulator bleed screw (1) using a transparent pipe. The reservoir must be kept higher than the modulator to easily check that the air bubbles are being expelled.
• Open the bleed screw by 1 to 2 turns.

• Actuate the RH brake lever in an even way and without undue haste while topping up with brake fluid in the master cylinder.

Note: Don't lean over the master cylinder when bleeding the circuit in order not to get splashed by brake fluid.

• Stop the operation when no more bubbles are expelled from the modulator.
• Close the bleeder screw.

• Connect the reservoir containing brake fluid to the front brake calliper bleed screw using a transparent pipe. The reservoir must be kept higher than the brake calliper to easily check that the air bubbles are being expelled.
• Open the bleed screw by 1 to 2 turns.
• Actuate the RH brake lever in an even way and without undue haste while topping up with brake fluid in the master cylinder.
• Stop the operation when no more bubbles are expelled from the calliper bleeder screw.
• Close the caliper bleed screw.
• Check the firmness of the lever.
• Otherwise, repeat the operation from the beginning.
• Check the brake fluid level and if necessary top up in the master cylinder, and re-fit the master cylinder cover.

Integral braking system static test.

• Wedge the machine frame so that the front wheel is not in contact with the floor.
• Turn on the ignition.
• Turn the front wheel at over 5 km/h, and operate one of the brake levers to check that the high pressure pump operates with both levers.
• Check by actuating the LH control lever: the front wheel stops.
• If not, repeat the operation: Bleeding the assistance circuit.

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