How to conduct a thorough brake inspection and maintenance for both disc, drum brake systems and Brake Booster on Subaru Impreza?

Moreover, periodic inspections are also necessary apart from those recommended maintenance periods. The vehicle pulling to one side when the brake pedal is pressed, squealing or dragging noises, excessive pedal travel, pedal pulsations, or brake fluid leaks may indicate potential problems with the brake system. To do it, wheel lug nuts have to be tightened first before raising a vehicle on jackstands and removing wheels. In case of the disc brakes, pads thickness should be checked; then rotor thickness is measured and inspected for scoring , gouging and burn spots. Brake lines and hoses are examined for damage wear leaks and other problems. Cleanliness and examination of brake drums require that drum brakes parking brakes be off and its removal for cleaning/inspection purpose. Then checking measurement against specifications for lining material on brake shoes comes next. The Assistant:checked all springs in the braking assembly while inspecting each part for signs of leaking fluid; cleaned out the inside of a brake drum looking for marks; then repeated this process twice more using other wheels' drums as well; confirmed if any other components were damaged by searching power booster system diagnostic tool including PID (Pressure) test results; carried out an efficiency test after putting the handbrake on when parked uphill; regularly maintained by stopping regularly to prevent valid operation nearly crashed into another car but managed stop just in time before causing any accident.

Genuine Subaru Impreza Brake Booster

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22 Brake Boosters found

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Subaru Impreza PB001352 Vacuum Booster A
Part Number: 26402FJ010
$284.43 MSRP: $419.52
You Save: $135.09 (33%)
ADD TO CART
Product Specifications
- Other Name: Vacuum Booster Assembly; Booster Assembly, Brake Booster
- Replaced by: 26402FJ012
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2015 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Vacuum Booster Assembly C0U4
Part Number: 26402FG010
$302.81 MSRP: $446.62
You Save: $143.81 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Booster Assembly; Booster Assembly, Brake Booster
- Replaced by: 26402FG011
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly LH
Part Number: 26402FJ110
$271.43 MSRP: $396.83
You Save: $125.40 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Booster Assembly
- Replaced by: 26402FJ111
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Vacuum BSTR Assembly LH
Part Number: 26402FL03A
$100.51 MSRP: $145.67
You Save: $45.16 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Booster Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2021 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402SA070
$357.22 MSRP: $526.87
You Save: $169.65 (33%)
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2004 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE400
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2007 Subaru Impreza | STI, STI Limited | 2.5L H4 Turbo
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Subaru Impreza Vacuum BSTR Assembly LH
Part Number: 26402FL04A
$100.52 MSRP: $145.68
You Save: $45.16 (31%)
Product Specifications
- Other Name: Vacuum Booster Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2021 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FG060
$299.96 MSRP: $442.42
You Save: $142.46 (33%)
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Replaced by: 26402FG061
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA071
Product Specifications
- Other Name: Brake Booster
- Replaces: 26402FA070
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-2001 Subaru Impreza | Base, Brighton, L, L+, LE, TS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA070
Product Specifications
- Replaced by: 26402FA071
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | Base, L, L+ | 1.8L H4
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA051
Product Specifications
- Other Name: Brake Booster
- Replaces: 26402FA050, 26042FA051
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | L, LS, LX, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA050
Product Specifications
- Replaced by: 26402FA051
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | LS | 1.8L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE150
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2003 Subaru Impreza | Outback, RS, TS | 2.5L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE290
Product Specifications
- Other Name: Booster Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004 Subaru Impreza | STI | 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE230
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2004 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Master Vacuum Assembly
Part Number: 26402AA111
Product Specifications
- Other Name: Vacuum Booster Assembly; Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | Base, L, L+ | 1.8L H4
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA110
Product Specifications
- Other Name: Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2001 Subaru Impreza | Outback, RS | 2.2L H4 Series, 2.5L H4 SOHC
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE260
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2007 Subaru Impreza | 25i, Outback, Outback Sport | 2.5L H4
- 2003-2004 Subaru Impreza | Outback, RS, TS | 2.5L H4
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE130
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2003 Subaru Impreza | WRX | 2.0L H4 Turbo
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE340
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005 Subaru Impreza | WRX | 2.0L H4 Turbo

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Subaru Impreza Brake Booster

The Subaru Impreza Brake Booster reduces the physical effort the driver needs to apply to the brake pedal and multiplies the force to the master cylinder. Situated between the master cylinder and brake pedal, the Brake Booster consists of an assembly of diaphragm and power piston in a two-piece shell. The Brake Booster inside the Impreza braking system maintains vacuum on both faces of the diaphragm until the brake pedal is applied. The valve of the pedal rod is opened, so that atmospheric air enters the rear chamber while the front remains in a vacuum state. Thus, a difference in pressure is created to push the piston ahead and increase the pressure in the hydraulic system. Subaru drivers can brake with less input thanks to this. Options for the booster system include vacuum boosters that make use of engine vacuum or an auxiliary pump and hydraulic boosters that employ fluid pressure from a steering or electric pump. The vacuum style is applied as a part of the Subaru Impreza brakes which provide assistance for limited stops with the engine off. The design provides steady feedback whenever the Brake Booster activates, while the Brake Booster also reliably increases force during Subaru Impreza operation.

Our website stands as the go-to online destination for OEM Subaru Impreza Brake Booster. With complete lines of genuine Subaru Impreza Brake Booster available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Impreza Brake Booster Parts Questions & Experts Answers

Vacuum Booster Assembly C0U4
26402FG010
Q:
How to conduct a thorough brake inspection and maintenance for both disc, drum brake systems and Brake Booster on Subaru Impreza?
Posted by Nasser A.
A:
Moreover, periodic inspections are also necessary apart from those recommended maintenance periods. The vehicle pulling to one side when the brake pedal is pressed, squealing or dragging noises, excessive pedal travel, pedal pulsations, or brake fluid leaks may indicate potential problems with the brake system. To do it, wheel lug nuts have to be tightened first before raising a vehicle on jackstands and removing wheels. In case of the disc brakes, pads thickness should be checked; then rotor thickness is measured and inspected for scoring , gouging and burn spots. Brake lines and hoses are examined for damage wear leaks and other problems. Cleanliness and examination of brake drums require that drum brakes parking brakes be off and its removal for cleaning/inspection purpose. Then checking measurement against specifications for lining material on brake shoes comes next. The Assistant:checked all springs in the braking assembly while inspecting each part for signs of leaking fluid; cleaned out the inside of a brake drum looking for marks; then repeated this process twice more using other wheels' drums as well; confirmed if any other components were damaged by searching power booster system diagnostic tool including PID (Pressure) test results; carried out an efficiency test after putting the handbrake on when parked uphill; regularly maintained by stopping regularly to prevent valid operation nearly crashed into another car but managed stop just in time before causing any accident.
Answered by Subaru Parts Specialist Edgar / Dec 01, 2023