BRAKES 27 7. After the pedal returns, allow an interval of 3 to 4 seconds before making the next stroke. Steps 4 to 6 should be repeated until there are no more air bubbles at the end of the bleed tube. 8. Now follow the same procedure at the other wheels as per the sequence given below. 9. After the bleeding sequence is completed remove the bleed tube and place the dust cap on the bleed screw. 10.Ensure that the bleed screw is tightened to the recommended torque. 11.Ensure “MAX” level after complete bleeding. 12.Clean the filter in bottle if necessary. 13.Place filter and cap to the reservoir. NOTE If the bleeding of any caliper continues without success for a considerable time, then tighten the bleed screw after each downward stroke of the pedal, allowing the pedal to return back. After the bleeding is done check for any leaks in the bleed screw by applying the brake pedal hard. 2. ABS SECONDARY CIRCUIT BLEEDING PROCEDURE (USING DIAGNOSTIC TOOL) The secondary circuit bleeding has to be done only for ABS vehicles and only for the below mentioned specific cases. a. If the customer has not changed the brake fluid for 5 years or more. b. If the brake pedal becomes spongy after ABS intervention/operation. NOTE: Before conducting “ABS Secondary Circuit bleeding” a normal bleeding should be performed. Please refer to TML diagnostic tool for ABS system bleeding CAUTION: Do not spill brake fluid on the vehicle, it may damage the paint, if the brake fluid does contact the paint, wash it off immediately with water. Make sure no dirt or other foreign matter is allowed to contaminate the brake fluid. NOTE Always use the brake fluid recommended in the specification list. Do not reuse the drained fluid. Entire bleeding operation should be done with ENGINE ON (running). The reservoir on the master cylinder must be at the Max (upper) level mark at the start of bleeding procedure and checked after bleeding each brake and have to be topped up as required. 1. Bleed the brake fluid manually as mentioned in the previous procedure “Brake Bleeding Procedure”. 2. Connect the Diagnostic tool and select “Repair Bleed” in the ABS ECU section of the tool. 3. Open the bonnet. 4. Open the reservoir cap and pour brake fluid till the lower edge of the filler neck. 5. Connect the bleed tube to the rear left caliper bleed screw and place the other end submerged in a transparent container containing sufficient brake fluid. 6. Click on the start button on the diagnostic tool to start the process. 7. Depress the pedal completely, holding it depressed
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