What are the precautions for overhauling the master cylinders on Lincoln Town Car?

The brake master cylinders on the vehicles covered are rebuildable, but if assembled incorrectly or with the wrong rebuild kit seals, they may continue to leak after overhaul. Avoid honing the brake master cylinder bore as it may lead to improper fit with the rebuild kit. If the bore is seriously pitted or corroded, consider replacing it with a new or professionally rebuilt unit or consult an automotive machine shop. During removal, cover brake line fittings with rags and plug the ends of the lines to prevent contamination. Unplug the brake warning light connector, remove the brake master cylinder mounting nuts, and detach it from the brake booster or Hydro-Boost unit. Before overhauling, inspect and clean the brake master cylinder and components. If any corrosion or damage is found, replace the brake master cylinder body with a new one. Lubricate and install new reservoir grommets and diaphragm if applicable. Bench bleed the brake master cylinder before installation and carefully install it by following the reverse of the removal steps. Be sure to bleed the brakes after installation.

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11 Brake Master Cylinders found

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Lincoln Town Car Cylinder Assembly - Master
Part Number: 6W1Z-2140-AA
- Other Name: Master Cylinder
- Manufacturer Note: w/ Traction Control - less IVD
- Replaces: 1W1Z-2140-AA
$352.21 MSRP: $485.23
You Save: $133.02 (28%)

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Fits the following Vehicles:
2001-2008 Lincoln Town Car | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, 4AT 4R70W, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Town Car Cylinder Assembly - Master
Part Number: 6W1Z-2140-BA
- Other Name: Cylinder Assy - Master; Master Cylinder
- Manufacturer Note: Base & police, ABS w/o Traction Control
- Replaced by: AW1Z-2140-A
- Replaces: 1W1Z-2140-BA
$210.39 MSRP: $343.64
You Save: $133.25 (39%)

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More Info
Fits the following Vehicles:
2005-2011 Lincoln Town Car | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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View related parts
Lincoln Town Car Cylinder Assembly - Master
Part Number: 1W1Z-2140-AA
- Other Name: Cylinder Assy - Master
- Replaced by: 6W1Z-2140-AA
$352.21 MSRP: $485.23
You Save: $133.02 (28%)

Add to Cart
More Info
Fits the following Vehicles:
2001-2005 Lincoln Town Car | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R70W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
Less Info
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Lincoln Town Car Cylinder Assembly - Master
Part Number: 1W1Z-2140-BA
- Other Name: Cylinder Assy - Master
- Replaced by: AW1Z-2140-A
$206.01 MSRP: $343.64
You Save: $137.63 (41%)

Add to Cart
More Info
Fits the following Vehicles:
2005 Lincoln Town Car | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Town Car Cylinder Assembly Master
Part Number: F5AZ2140A
- Other Name: Cylinder Assy - Master; Master Cylinder
$267.12 MSRP: $371.07
You Save: $103.95 (29%)

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More Info
Fits the following Vehicles:
1995 Lincoln Town Car | 8 Cyl 4.6L | 4AT 4R70W
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Lincoln Town Car Cylinder Assy - Master
Part Number: F5AZ-2140-D
- Other Name: Master Cylinder
More Info
Fits the following Vehicles:
1995-1996 Lincoln Town Car | 8 Cyl 4.6L | 4AT 4R70W
Less Info
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Lincoln Town Car Cylinder Assembly - Master
Part Number: F7AZ-2140-AA
- Other Name: Cylinder Assy - Master; Master Cylinder
More Info
Fits the following Vehicles:
1997-2000 Lincoln Town Car | 8 Cyl 4.6L | 4AT 4R70W
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Lincoln Town Car Cylinder Assy - Master
Part Number: F8AZ-2140-AA
- Other Name: Master Cylinder
More Info
Fits the following Vehicles:
1998-2000 Lincoln Town Car | 8 Cyl 4.6L | 4AT 4R70W
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Lincoln Town Car Cylinder Assembly Master
Part Number: F1VY2140B
- Other Name: Cylinder Assy - Master; Master Cylinder
More Info
Fits the following Vehicles:
1990-1994 Lincoln Town Car | 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE
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Lincoln Town Car Cylinder Assembly Master
Part Number: F3LY2140A
- Other Name: Cylinder Assy - Master; Master Cylinder
More Info
Fits the following Vehicles:
1990-2003 Lincoln Town Car | 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE
Less Info
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Lincoln Town Car Cylinder Assy - Master
Part Number: F7AZ-2140-BA
More Info
Fits the following Vehicles:
1997 Lincoln Town Car | 8 Cyl 4.6L | 4AT 4R70W
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Lincoln Town Car Brake Master Cylinder Parts Questions & Answers

Cylinder Assy - Master
F5AZ-2140-D
Q: What are the precautions for overhauling the master cylinders on Lincoln Town Car?
A: The brake master cylinders on the vehicles covered are rebuildable, but if assembled incorrectly or with the wrong rebuild kit seals, they may continue to leak after overhaul. Avoid honing the brake master cylinder bore as it may lead to improper fit with the rebuild kit. If the bore is seriously pitted or corroded, consider replacing it with a new or professionally rebuilt unit or consult an automotive machine shop. During removal, cover brake line fittings with rags and plug the ends of the lines to prevent contamination. Unplug the brake warning light connector, remove the brake master cylinder mounting nuts, and detach it from the Brake Booster or Hydro-Boost unit. Before overhauling, inspect and clean the brake master cylinder and components. If any corrosion or damage is found, replace the brake master cylinder body with a new one. Lubricate and install new reservoir grommets and diaphragm if applicable. Bench bleed the brake master cylinder before installation and carefully install it by following the reverse of the removal steps. Be sure to bleed the brakes after installation.