Question about 2001 Ford Mustang

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Bleeding abs brakes

2001 mustang v6 with abs and traction control.
after i replaced the abs module/pump i bleed them and i have a low pedal.
seems to be working fine, just low pedal. do i need a scan tool to properly bleed?

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  • toycam Nov 08, 2008

    thank you, i will try that. one of my friends is buying one off the snap on truck on monday.

  • Anonymous Mar 28, 2014

    ABS and traction control lights came on at low speed then turned off at high speed

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Try using a pressure bleeder. It will force the air out. Works every time.

Posted on Nov 08, 2008

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Manual

WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.

CAUTION: Do not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.

CAUTION: Brake fluid is harmful to painted and plastic surface's. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

NOTE: When any part of the hydraulic system has been disconnected for repair or installation of new components, air can get into the system and cause spongy brake pedal action. This requires bleeding of the hydraulic system after it has been correctly connected. The hydraulic system can be bled manually or with pressure bleeding equipment.

  1. Clean all dirt from and remove the brake master cylinder filler cap and fill the brake master cylinder reservoir with the specified brake fluid.

  2. Place a box end wrench on the RH rear bleeder screw. Attach a rubber drain tube to the RH rear bleeder screw and submerge the free end of the tube in a container partially filled with clean brake fluid.
  3. Have an assistant pump the brake pedal and then hold firm pressure on the brake pedal.
  4. Loosen the RH rear bleeder screw until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal, tighten the RH rear bleeder screw.
    • Repeat until clear, bubble-free fluid comes out.
    • Refill the brake master cylinder reservoir as necessary.
  1. Tighten the RH rear bleeder screw.
  2. Repeat Steps 2, 3, 4 and 5 for the LH rear bleeder screw.
  3. Place a box end wrench on the RH front disc brake caliper bleeder screw. Attach a rubber drain tube to the RH front disc brake caliper bleeder screw, and submerge the free end of the tube in a container partially filled with clean brake fluid.
  4. Have an assistant pump the brake pedal and then hold firm pressure on the brake pedal.
  5. Loosen the RH front disc brake caliper bleeder screw until a stream of brake fluid comes out.
    • While the assistant maintains pressure on the brake pedal, tighten the RH front disc brake caliper bleeder screw.
    • Repeat until clear, bubble-free fluid comes out.
    • Refill the brake master cylinder reservoir as necessary.
  1. Tighten the RH front disc brake caliper bleeder screw.
  2. Repeat Steps 7, 8, 9 and 10 for the LH front disc brake caliper bleeder screw.

Posted on Nov 08, 2008

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1 Answer

How to bleed the brakes on my 2002 Buick rendezvous cxl


If the standard bleeding procedures do not produce an acceptable pedal you will need a scantool that can activate the automated ABS bleed and a pressure bleeding system.
To bleed the brakes use the standard pattern of RR,LR,RF,LF

ABS Automated Bleed Procedure
Caution: Refer to Brake Fluid Irritant Caution in Service Precautions.
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Service Precautions.
Important: In most circumstances a base brake bleed is all that is required for most component replacements (such as wheel cylinders, calipers, brake tubes, and master cylinder) except for brake pressure modulator valve (BPMV) replacement.
The following automated ABS bleed procedure is required when one of the following occur:
Manual bleeding at the wheel cylinders does not achieve the desired pedal height or feel.
BPMV replacement
Extreme loss of brake fluid has occurred.
Air ingestion is suspected.
If none of the above conditions apply, use standard bleed procedures.
The auto bleed procedure is used on BOSH 5.3 equipped vehicles. This procedure uses a scan tool to cycle the system solenoid valves and run the pump in order to purge the air from the secondary circuits. These secondary circuits are normally closed off, and are only opened during system initialization at vehicle start up and during ABS operation. The automated bleed procedure opens these secondary circuits and allows any air trapped inside the BPMV to flow out toward the wheel cylinders or calipers where it can be purged out of the system.
Automated Bleed Procedure
Preliminary Inspection
Inspect the battery for full charge, repair the battery and charging system, as necessary.
Connect a scan tool to the data link connector (DLC) and select current and history DTCs. Repair any DTCs prior to performing the ABS bleed procedure.
Inspect for visual damage and leaks and repair, as needed.
Preliminary Setup
Raise and vehicle on a suitable support.
Turn the ignition switch to the OFF position.
Remove all 4 tires, if necessary.
Connect the pressure bleeding tool according to the manufacturer's instructions.
Turn the ignition switch to RUN position, engine off.
Connect a scan tool and establish communications with the ABS system.
Pressurize the bleeding tool to 206 - 241 kPa (30 - 35 psi) .
Performing the Automated Bleed Procedure
Notice: The Auto Bleed Procedure may be terminated at any time during the process by pressing the EXIT button. No further Scan Tool prompts pertaining to the Auto Bleed procedure will be given. After exiting the bleed procedure, relieve bleed pressure and disconnect bleed equipment per manufacturers instructions. Failure to properly relieve pressure may result in spilled brake fluid causing damage to components and painted surfaces.
With the pressure bleeding tool at 206 - 241 kPa (30 - 35 psi) , and all bleeder screws in closed position, select Automated Bleed Procedure on the scan tool and follow the instructions.
The first part of the automated bleed procedure will cycle the pump and front release valves for one minute. After the cycling has stopped the scan tool will enter a cool down mode and display a 3 minute timer. The auto bleed will not continue until this timer expired, and cannot be overridden.
During the next step, the scan tool will request the technician to open one of the bleeder screws. The scan tool will then cycle the respective release valve and pump motor for one minute.
The scan tool will repeat step 3 for the remaining bleeder screws.
With the bleeder tool still attached to the vehicle and maintaining 241 kPa (35 psi) , the scan tool will instruct the technician to independently open each bleeder screw for approximately 20 seconds. This should allow any remaining air to be purged from the brake lines.
When the automated bleed procedure is completed the scan tool will display the appropriate message.
Install all 4 tires, if necessary refer to Tire and Wheel Removal and Installation.
Remove pressure from the pressure bleeding tool and then disconnect the tool from the vehicle.
Depress the brake pedal to gage pedal height and feel. Repeat steps 1-8 until the pedal is acceptable.
Remove the scan tool from the DLC connector.
Install.
Lower the vehicle.
Inspect the brake fluid level in master cylinder.
Road test the vehicle while making sure the brake pedal remains high and firm.
If the vehicle is equipped with a traction control system (TCS), the scan tool will cycle both the ABS and the TCS solenoid valves. This bleed procedure is the same as above.

Sep 15, 2016 | 2002 Buick Rendezvous

1 Answer

03 chevy 4x4 how do you bleed the abs?replaced all lines and bled with truck off.good pedal til start up then lost all.guy at auto store said abs needs bled.thanks


Have a look on this link below:
chevy abs bleeding Google Search

In particular a Youtube video:

Bleeding the ABS Brake Control Module On Chevy Using Snap On Solus Ultra
Sometimes it can be a nightmare bleeding the brakes. There seems to be problem after problem or no progress, irrespective of how many times you bleed them. Just a few weeks ago I had the same problem on a 4 litre Jeep.

Have a look on those two links. You obviously know how to bleed brakes and will pick up a tip or two online.

I was in the same position as you - hard pedal until start up after a brake overhaul. I wouldn't like to think how many times I bled the braking system everywhere and nothing worked. Eventually on a Jeep forum somebody suggested changing the brake compensator valve. I did .. and the brakes worked perfectly.

Read a few websites first. You'll het there in the end.

May 16, 2016 | Cars & Trucks

1 Answer

ABS light and traction light and no cruise control


how on earth would the blind know what is wrong.?
scan it? yet?
btw, newer cars cut cruise feature for any signs of danger.
new laws...
the traction needs ABS to work ,so forget that and fix ABS.
ABS needs 2 things to work , brakes and ABS.

so if brakes are bad, then ABS will get upset.
after all, if it cant brake right, how can the puter save you?
if brakes are known to be ok (inspections work here)
but in this case it was BREACHED by you, with out reading the book first.
then scan the ABS. (omg? code for dead sensor?) nah, you caused it..
easy

ABS resets every key on. so...
my guess, if ABS was happy before your actions( you never said)
then you got air in to the system. and failed to follow the FSM instructions on bleeding brakes, in ABS car.

front caliper, did you block the hose with cap, so it didn't allow air to the modulator? oops... never just let them drip... or . max pain.
bleed it again, (using any or all 5 ways to do so, bleeding is skill thing) (many modulators can not just be simply bled)

now Ill quote the 2012 fSM for you , under brakes

Data: -----------------------------------------------------------------
ABS Brake Bleeding
STANDARD PROCEDURE - ABS BRAKE BLEEDING

ABS system bleeding requires conventional bleeding methods plus use of a scan tool. The procedure involves performing a base brake bleeding, followed by use of the scan tool to cycle and bleed the HCU pump and solenoids. A second base brake bleeding procedure is then required to remove any air remaining in the system.

Perform base brake bleeding, (Refer to Brakes - Standard Procedure)(Refer To List 1).

Connect scan tool to the Data Link Connector.

Select ANTILOCK BRAKES, followed by MISCELLANEOUS, then ABS BRAKES. Follow the instructions displayed. When scan tool displays TEST COMPLETE, disconnect scan tool and proceed.

Perform base brake bleeding a second time, (Refer to Brakes - Standard Procedure)(Refer To List 1).

Top off master cylinder fluid level and verify proper brake operation before moving vehicle.

Jul 31, 2015 | 2012 Jeep Liberty Sport 4dr SUV 3.7L V6...

2 Answers

My 1997 chevy 1500 z71 brakes suddenly going all the way to the floor. Checked brake fluid and it was low. Could be wheel cylinder? Master cylinder? or ?


well, check the brake lines for leakage after adding brake fluid to the full mark. If the brake pedal goes all the way to the floor, it's likely there is a leak somewhere after the master cylinder. If the pedal gets hard after adding fluid, and pumping it several times with the car off, then the master cylinder is still ok.

If air has gotten into the master cylinder, it may have to be bled out on a bench, or using a scanner if that's the way your vehicle is.

Bleeding the Brake System (ABS) Auto Bleed Procedure NOTE: Perform a manual bleeding procedure. If the brake pedal height and firmness results are not achieved, perform the auto bleed procedure below.
NOTE: Perform this procedure when replacing the brake pressure modulator valve or electro-hydraulic control unit.
  1. Perform the manual brake bleeding procedure. Refer to Bleeding the Brake System (non-ABS).
  2. Check the master cylinder fluid level often to prevent running the system dry.
  3. Press the brake pedal firmly and run the Scan Tool Automated Bleed Procedure (for Gas engines) once, or the Function Test (for Diesel engines) four times. Make sure to release the brake pedal between each test.
  4. Perform the manual bleed procedure again. This should remove the remaining air from the brake system.
  5. Bleed the system as many times as needed to obtain the appropriate feel of the brake pedal.

Dec 18, 2010 | 1997 Chevrolet K1500

1 Answer

Whats the proper way to bleed the breaks


Bleeding the Brake System (ABS) Auto Bleed Procedure NOTE: Perform a manual bleeding procedure. If the brake pedal height and firmness results are not achieved, perform the auto bleed procedure below.
  1. Raise and support the vehicle.
  2. Remove the tire and wheel assemblies.
  3. Inspect the battery state of charge.
  4. Install a scan tool.
  5. Turn ON the ignition, with the engine OFF.
  6. With the scan tool, establish communications with the ABS/TCS system. Select Special Functions from the ABS/TCS menu. Select Automated Bleed from the Special Functions menu.
  7. Bleed the base brake system.
  8. Follow the scan tool directions until the desired brake pedal height is achieved.
  9. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:
  10. If a DTC is detected, refer to Diagnostic Trouble Code (DTC) List and diagnose the appropriate DTC.
  11. If the brake pedal feels spongy, perform the conventional brake bleed procedure again.
  12. When the desired pedal height is achieved, press the brake pedal in order to inspect for firmness.
  13. Remove the scan tool.
  14. Install the tire and wheel assemblies.
  15. Inspect the brake fluid level.
  16. Road test the vehicle while inspecting that the pedal remains high and firm.
Bleeding ABS Automated Bleed Procedure NOTE: In most circumstances a base brake bleed is all that is required for most component replacements (such as wheel cylinders, calipers, brake tubes, and master cylinder) except for brake pressure modulator valve (BPMV) replacement.
The following automated antilock brake system (ABS) bleed procedure is required when one of the following occur:
  • Manual bleeding at the wheel cylinders does not achieve the desired pedal height or feel.
  • Replacement of the BPMV
  • Extreme loss of brake fluid has occurred.
  • Air ingestion is suspected.
NOTE: If none of the above conditions apply, use standard bleed procedures.
The auto bleed procedure is used on BOSH 5.3 equipped vehicles. This procedure uses a scan tool to cycle the system solenoid valves and run the pump in order to purge the air from the secondary circuits. These secondary circuits are normally closed off, and are only opened during system initialization at vehicle start up and during ABS operation. The automated bleed procedure opens these secondary circuits and allows any air trapped inside the BPMV to flow out toward the wheel cylinders or calipers where it can be purged out of the system.
Preliminary Inspection
  1. Inspect the battery for a full charge.
  2. Repair the battery and charging system as necessary.
  3. Connect a scan tool to the data link connector (DLC) and select the current and history DTCs.
  4. Repair any DTCs prior to performing the ABS bleed procedure.
  5. Inspect for visual damage and leaks and repair as needed.
Preliminary Setup
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Raise and support the vehicle.
  3. Turn the ignition switch to the OFF position.
  4. Remove all 4 tires (if necessary)
  5. Connect the pressure bleeding tool.
  6. Turn the ignition switch to RUN position with the engine off.
  7. Connect a scan tool and establish communications with the ABS system.
  8. Pressurize the bleeding tool to 30-35 psi (206-241 kPa).
Automated Bleed Procedure
NOTE: The Auto Bleed Procedure may be terminated at any time during the process by pressing the EXIT button. No further Scan Tool prompts pertaining to the Auto Bleed procedure will be given.
CAUTION
After exiting the bleed procedure, relieve bleed pressure and disconnect bleed equipment per manufacturers instructions. Failure to properly relieve pressure may result in spilled brake fluid causing damage to components and painted surfaces.
  1. With the pressure bleeding tool set to 30-35 psi (206-241 kPa) and all bleeder screws in closed position, select Automated Bleed Procedure on the scan tool and follow the instructions.
  2. The first part of the automated bleed procedure will cycle the pump and front release valves for one minute.
  3. After the cycling has stopped the scan tool will enter a "cool down" mode and display a 3 minute timer. NOTE: The auto bleed will not continue until this timer expired, and cannot be overridden.
  4. During the next step, the scan tool will request the technician to open one of the bleeder screws. The scan tool will then cycle the respective release valve and pump motor for 1 minute.
  5. The scan tool will repeat step 3 for the remaining bleeder screws.
  6. With the bleeder tool still attached to the vehicle and maintaining 30-35 psi (206-241 kPa), the scan tool will instruct the technician to independently open each bleeder screw for approximately 20 seconds. This should allow any remaining air to be purged from the brake lines.
  7. When the automated bleed procedure is completed the scan tool will display the appropriate message.
  8. Install all 4 tires, if necessary.
  9. Remove the pressure from the pressure bleeding tool
  10. Disconnect the tool from the vehicle.
  11. Depress the brake pedal to gauge pedal height and feel.
  12. Repeat the procedure until the pedal is acceptable.
  13. Remove the scan tool from the DLC connector.
  14. Safely lower the vehicle.
  15. Inspect the brake fluid level in master cylinder.
  16. Road test the vehicle while ensuring the brake pedal remains high and firm.
  17. If the vehicle is equipped with a traction control system (TCS), the scan tool will cycle both the ABS and TCS solenoids valves. This bleed procedure is the same as above.
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Sep 18, 2010 | 1998 Oldsmobile Silhouette

1 Answer

My speedmeter only works for about a half mile then the abs light and the tc light comes on and my speed meter stops working.i had a speed sensor put in and its still not working


The correct scan tool with tell you the specific issue with you ABS & TC system, AKA EBTCS, or electronic brake & traction control system. This computer system reads the speed of each wheel by sensor and magnet wheel.
If you had it scanned & replaced the sensor that was bad, then remove the wheel and take out the sensor by hand. Look in the hole in the wheel hub and inspect the wheel magnets for any damage or corrosion. This can be replaced if damaged. Apply a small amount of bearing grease to sensor and reinstall.
If your scan shows a comunication problem with the control module, then it can be easily removed and repaired for under $200 at modulemaster.com
Air or contamination in the brake system can also cause an issue. Bleeding the ABS module takes a command from a scan tool, and it will pump for 10 seconds. Make sure you have a bleeder open on one of the calipers. Then bleed out all the brakes by pumping the pedal and hold, then release pressure in line by unscrewing bleeder screw and closing it after 2 seconds, then release brake. Repeat a few times, and listen for air bubbles to go away, if any.
Good Luck!

Feb 18, 2010 | 2001 Cadillac Catera

2 Answers

1994 Cavalier -replaced master cylinder-no pressure to rear brake


The most common bleeding procedure is to bleed the ABS brake furthest from the master cylinder first, then bleed the other brake that shares the same hydraulic circuit (which may be the other rear brake on a rear-wheel drive car, or the opposite front brake on a front-wheel drive car or minivan). After these have been bled, you then bleed the other brake circuit starting with the furthest brake from the master cylinder.
Air can be very difficult to remove from an ABS modulator assembly because of all the nooks and crannies inside the unit. The modulator may have eight to 10, or more, ABS/traction control solenoid valves, plus various check valves and dead-end ports. Some ABS modulators have special bleed screws to help you vent the trapped air when bleeding the system. Others do not and require the use of a scan tool to cycle the ABS solenoids while you bleed the system. 1. To bleed the isolation valves in the modulator, there are two bleeder screws. Start with the one toward the engine. Turn the ignition on and apply light pressure on the brake pedal. Open the bleeder screw and allow the fluid to flow until clear. Close the screw and do the same at the second bleeder screw. 2. Depressurize the accumulator by pumping the pedal 40 times with the key off. Wait about two minutes for the brake fluid to de-aerate, then refill the fluid reservoir with DOT 3 brake fluid. 3. Now you can bleed the boost section. This is done by applying moderate pressure on the brake pedal and turning the ignition on for three seconds, then off. Repeat this a total of 10 times. Make sure the pedal feels firm when you have finished, and give the car a road test to make sure the brakes are working properly.

Mar 15, 2009 | 1994 Chevrolet Cavalier

1 Answer

Abs light is on also Traction control light is on car runs find and brakes still work. Its a 1995 was told I need a module to fix problem. Ques. is how do I find this module does it have a certain name.


check for a leak around the abs control module this happend to me 1 month ago .. the module needed to be replaced it is located behind the front bumper in front of the drivers front tire. if no leak check ALL the electrical conections on the module... ps mine made a pump running noise even without the key in it was the funnyest hing ever .... bleeding this system requires a dealers electronic adapter to prevent an eventual mushy brake pedal

Mar 07, 2009 | 1995 Mercury Cougar

1 Answer

04 Focus SVT- All brakes will bleed out except the right rear..??


Have somone help you as you bleed the brakes. Have them pump the pedal 3 times and hold the pedal down with constant pressure while you crack the bleed valve open to the problem caliper. Don't let them release the pedal until you have closed the bleeder valve. Continue this process until you have fluid coming out without air. Periodacillay check the master cylinder to be sure it remains full enough so as not to allow more air in because the resivouir ran to low during the bleeding process. If when you are done and the brake light continues to be on then you will need to bleed the proportioning valve until the system balances out on line pressure.
If this works can you please give me a rating??? Thank you.

Jan 28, 2009 | 2002 Ford SVT Focus

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