Question about 1995 Mercury Grand Marquis

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I need to bleed the brakes on a 95 Grand Marquis, which I believe has ABS and want to know if there are any special tools/procedures to accomplish this. I am familiar with older automobiles but am less familiar with newer ones that have ABS. What do I need, and How do I do it correctly?

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If you haven't replaced any of the abs components then you have nothing to worry about. Just bleed it as you would a 1985 Grand marquis.

Posted on Aug 07, 2010

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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

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...

1 Answer

How to activate abs motor


what are you doing, forgot to say ,did you?
my wild guess is , you are bleeding brakes????
it takes a special scan tool to do that. called DRB.

lets now read the manual. the FSM
and read page 34 under brakes, on the ZJ
if bleeding the system. READ PAGE 38

so no DRB?
id google all day to see if some other tool does this procedures.
i hope you get lucky.

the step cycles the motor and solenoids, not just the motor.

Sep 16, 2014 | 1993 Jeep Grand Cherokee

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

Need sequence to blrrd brakes 02 dakota


Dakota, 2001-2005

Bleeding the Brake System
Brake fluid tends to darken over time. This does not necessarily indicate contamination. Examine fluid closely for foreign matter.
The primary and secondary hydraulic brake systems are separate and are bled independently. During the bleeding operation, do not allow the reservoir to run dry. Keep the master cylinder reservoir filled with brake fluid. Never use brake fluid that has been drained from the hydraulic system, no matter how clean it seems.
  1. Clean all dirt from around the master cylinder fill cap, remove the cap and fill the master cylinder with brake fluid until the level is within 1 / 4 in. (6mm) of the top edge of the reservoir.
  2. Clean the bleeder screws at all 4 wheels. The bleeder screws are located on the back of the brake backing plate (drum brakes) and on the top of the brake calipers (disc brakes).
  3. Bleeder screws should be protected with rubber caps. If they are missing, the orifice may easily become clogged with road dirt. If the screw refuses to bleed when loosened, remove it and blow clear. Aftermarket caps are readily available.

Bleeding the ABS System
This is accomplished using the same methods as for the base brake system. Refer to those procedures.
ABS system bleeding requires conventional bleeding methods plus use of the DRB 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.
  1. Perform base brake bleeding. Refer to the appropriate section.
  2. Connect the scan tool to the data link connector beneath the dashboard.
  3. Select "Antilock Brakes" followed by "Miscellaneous", then "Bleed Brakes". Follow the instructions displayed until the unit displays "Test Complete", then disconnect the scan tool and proceed.
  4. Perform a base brake bleeding a second time.
  5. Top up the master cylinder.

Hope helps (remember rated and comment this).

Aug 26, 2010 | 2002 Dodge Dakota Club Cab

3 Answers

Whats the procedure for bleeding brakes 2000 grand marquis


Bleed the master cylinder at the brake lines,then bleed right rear ,left rear,right front,and left front.

Jun 12, 2010 | 1998 Mercury Grand Marquis

1 Answer

Bleeding brakes, The front brakes will not bleed out


In order to bleed the brakes on this car u need a special tool that holds the ABS Hydraulic control units pop-it valves open, without this special tool that plugs into the ABS you can't bleed the air out of the ABS control valve module, u either have to have the dealer do this or someone who has a factory equivalent of the ABS special bleeding tool, Snap-On tools most likely makes these, they are horribly expensive.

Mar 30, 2010 | 1996 Land Rover Discovery

1 Answer

How to change rear caliper on ford f250 superduty 4x4 and does it take any special tools


No special tools should be necessary but it is recommended procedure to replace calipers in pairs. Be sure to follow manufacturers procedure for bleeding. ABS systems need to have the accumulator charged. Parking brake mechanisms may require attention.

Dec 11, 2009 | 2001 Ford F250 Super Duty Super Cab

1 Answer

Bleeding passat brakes


it will need to get a scan tool on it to remove the light as the abs unit would have logged a fault.

Jul 01, 2008 | 2003 Volkswagen Passat

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