What is a transmission valve body assembly?

A transmission valve body is a major component of an automatic transmission. It’s essentially a maze-like control center made up of valves, passageways, and solenoids that diverts transmission fluid to where it’s needed for gear changes.

How much does it cost to replace transmission valve body assembly?

Transmission Valve Body Replacement Cost



The valve body assembly will be in the vicinity of $200 to $500, and the labor to replace it will be around $500 or so. Expect around $1,000 to get you back up and running.

What happens when a transmission valve body goes bad?

Delayed Garage Shifts



One of the most common symptoms of a failing transmission valve body is a delay in shifting or harsh shifting. Usually called garage shifts, it’s when there is a harsh shift from park to drive or drive to reverse.

What is a valve body replacement?

The valve body is a part of all automatic transmissions that acts as the main control center of the system. When a failing valve body causes symptoms and/or failures like noise during gear shifts, slippage, delays, and difficulty reversing, a driver is left with no choice but to fix or replace the part.

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Can you drive with a bad transmission valve body?

But you should not—we repeat, not—drive around with a bad transmission valve body for too long. Over time, a minor issue with your transmission valve body might turn into a major issue with your entire transmission. You’re going to put a huge strain on your transmission when you have a bad transmission valve body.

Is it cheaper to rebuild or replace a transmission?

A transmission replacement is the most expensive option when fixing your transmission. … This is an option if the transmission is too damaged to even consider a rebuild. One thing to keep in mind with a replacement is the transmission is redone in a factory setting.

What does a bad valve body look like?

The main symptoms of a bad transmission valve body are: Hearing banging or knocking noises when pressure is applied to the brakes. Car slows down when the car is put in reverse mode or driving backwards. The shifting stick slips regularly when changing the gears.

What are the signs of a bad shift solenoid?

If you’re experiencing transmission solenoid troubles, it will become evident in one of four ways:

  • Delayed gear shifting.
  • You can’t downshift, and your engine continues to rev even when applying the brakes.
  • Your transmission gets stuck in neutral.
  • Shifting gears become rough and choppy.

Can EGR valve cause transmission problems?

Answer: The EGR valve affects the operation of the engine and the emission system directly. But in modern vehicles, driveability problems can affect transmission operation. … So, it is possible the EGR system is affecting your transmission.

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How long does it take to change a valve body?

Since replacing a transmission valve body can take anywhere from 2 to 4 hours to finish, you must figure the hourly rate of a mechanic is between $60 to $100. This means the least you will pay for labor is $120 and the most you will pay is $400.

Can a bad solenoid cause transmission slip?

A problem with one or more of the solenoids can cause a lack of pressure, resulting in hard, soft or delayed shifts. A failed shift solenoid can also cause transmission slippage, where your engine revs faster but the car stays at the same speed.

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