How to Remove a Brake Proportioning Valve on a Subaru Outback?

To replace the brake proportioning valve, unscrew all four brake line tube nuts with a flare nut wrench, remove the mounting bracket nut and cap all the lines, remove the brake proportioning valve mounting, then slide the valve off of its mounting bracket, installation is the reverse of removal.

Genuine Subaru Outback Brake Proportioning Valve

Proportioning Valve

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8 Brake Proportioning Valves found

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Subaru Outback PCV Assembly
Part Number: 26873AA011
$75.74 MSRP: $109.77
You Save: $34.03 (31%)
Product Specifications
- Other Name: P.C.V. Assembly; Pressure Metering Valve
- Replaces: 26873AA010
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996-1999 Subaru Outback | Brighton, L, Post | 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series
View related parts
Subaru Outback PCV Assembly
Part Number: 26873AA010
Product Specifications
- Other Name: P.C.V. Assembly
- Replaced by: 26873AA011
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996-1997 Subaru Outback | Brighton, L, Post | 2.2L H4 , 2.2L H4 (New EVAPO)
View related parts
Subaru Outback PCV Assembly
Part Number: 27674AC091
Product Specifications
- Other Name: P.C.V. Assembly; Pressure Metering Valve
- Replaces: 27674AC090
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-2004 Subaru Outback | Brighton, Flat6, GT, LS-I, Out Back, SUS, SUS Flat6 | 2.5L H4, 3.0L H6
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Subaru Outback PCV Assembly
Part Number: 27674AC081
Product Specifications
- Other Name: P.C.V. Assembly; Pressure Metering Valve
- Replaces: 27674AC080
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-2004 Subaru Outback | Baja, Baja-B, Baja-S, Base, Brighton, Cold Weather, Flat6, Flat6 L.L.Bean, Flat6-S, GT, L, L-S, Limited, LS, SUS Flat6, SUS Limited | 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 Turbo, 3.0L H6
View related parts
Subaru Outback PCV Assembly
Part Number: 27674AC090
Product Specifications
- Other Name: P.C.V. Assembly
- Replaced by: 27674AC091
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-1998 Subaru Outback | GT, LS-I, Out Back, SUS | 2.5L H4
View related parts
Subaru Outback PCV Assembly
Part Number: 27674AC080
Product Specifications
- Other Name: P.C.V. Assembly
- Replaced by: 27674AC081
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-1998 Subaru Outback | L, LS | 2.2L H4 , 2.2L H4 (New EVAPO)
View related parts
Subaru Outback PCV Assembly
Part Number: 26874AA042
Product Specifications
- Other Name: P.C.V. Assembly; Pressure Metering Valve
- Replaces: 26874AA040, 26874AA000, 26874AA041
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996-1997 Subaru Outback | GT, LS-I, Out Back | 2.2L H4 , 2.2L H4 (New EVAPO), 2.5L H4
View related parts
Subaru Outback PCV Assembly
Part Number: 26874AA032
Product Specifications
- Other Name: P.C.V. Assembly; Pressure Metering Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996 Subaru Outback | L, LS | 2.2L H4 , 2.2L H4 (New EVAPO)

Subaru Outback Brake Proportioning Valve

The Subaru Outback Brake Proportioning Valve safeguards panic stops by balancing hydraulic force so the rear wheels avoid lock-up while the front brakes handle the majority of the load. Fixed to the master cylinder within the ABS circuit, the Brake Proportioning Valve detects the sudden rise in fluid pressure when the pedal is slammed, its internal spring compresses, a piston shifts, and the Brake Proportioning Valve shuts the passage feeding the rear drums, allowing greater force to reach the front discs where weight transfers. Early Outback generations relied on a fixed Brake Proportioning Valve that applied one preset pressure split, whereas later versions in the Subaru lineup introduced a lever arrangement linked to rear suspension travel, letting the system fine-tune rear line pressure as cargo or passengers change ride height. Though both formats serve the same purpose, the lever setup offers smoother stability because it adjusts instead of staying static. If corrosion freezes the Brake Proportioning Valve piston the Subaru can skid or feel unstable, warning drivers that prompt service is vital for a sure Outback stop.

Our website stands as the go-to online destination for OEM Subaru Outback Brake Proportioning Valve. With complete lines of genuine Subaru Outback Brake Proportioning Valve 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 Outback Brake Proportioning Valve Parts Questions & Experts Answers

PCV Assembly
26873AA010
Q:
How to Remove a Brake Proportioning Valve on a Subaru Outback?
Posted by Ramon A.
A:
To replace the brake proportioning valve, unscrew all four brake line tube nuts with a flare nut wrench, remove the mounting bracket nut and cap all the lines, remove the brake proportioning valve mounting, then slide the valve off of its mounting bracket, installation is the reverse of removal.
Answered by Subaru Parts Specialist Nolan / May 30, 2022

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