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Proportioning and Combination Valve Replacement

Auto Repair & More, Right to Your Door!

What does the proportioning valve do? The proportioning valve is part of the brake system. It is also known as a metering valve as it meters the amount of brake fluid going to the brakes in order to prevent skidding or sliding of the rear of the vehicle when braking.How do you know you need proportioning valve replaced? The brake pedal soft Rear brakes lock when brake pedal is depressed Rear tires skid or slide when brake pedal depressed How is the proportioning valve replaced by a mobile mechanic? The vehicle is raised using a jack and supported with axle stands The brake lines are disconnected from the proportioning valve and the valve is removed The new valve is installed and the brake lines are reinstalled The brake system is bled of air How important is having your proportioning valve replaced? with a faulty proportioning valve the rear of the vehicle is more prone to skidding while braking


5-Star Service

5-Star Service

"I'm a big fan of this incredibly convenient service! GoWrench staff do a great job and respect your time, unlike the nightmare that is involved in visiting the dealership/auto shop just to get your tires rotated or oil change. I shouldn't have to lose a day of work, two times a year, just for regular maintenance & tire swaps -- and with GoWrench, I never have to deal with the patronizing, dirty, and time-consuming service at the car dealership or auto shop, again!"

Ainslie Enkelaar

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How it Works


Select Service(s)

Get an instant online price for most maintenance and tire services.  For repairs, you can book a service call and a mechanic will diagnose the concern and give you a quote, on-site. If you would like a quote before we see the vehicle, you can Request a Quote in as little as 60 seconds and receive your quote by email or phone, usually within 1 business hour.


Book a Time

After selecting your service(s) (or a diagnostic), simply select a day & time that works best for you and we will dispatch our best-suited technician or mechanic, based on your vehicle & needs. You will receive a confirmation email with the details and a reminder email/SMS as well. Auto care has never been easier!


Receive Service

Once the technician arrives, they will explain the work order, what they will be doing and then begin work on your vehicle. In most cases, a complementary Digital Vehicle Inspection will be completed so you can have peace of mind that your vehicle is in good condition or what may need to be addressed in the future.

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Check prices &/or schedule a service online, or give us a call

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