Q: Transmission drives forward in reverse.

asked by on

I had an issue with the TCC solenoid I change the TCC solenoid while I had the transmission open I put both shift solenoids in and one other solenoid but now when I put the car in Reverse it goes forward any ideals I didn't have this issue before I put these solenoids in

My car has 16000 miles.
My car has an automatic transmission.

Hi there. When the solenoids were installed the transmission valve body gasket may have been split causing the valve body (brain) to have an internal cross leak inside the transmission worm tracks. This will cause line pressure to override the reverse clutch and allow the forward clutch to stay engaged when the main valve is in the reverse selection. I recommend replacing the gaskets on the valve body and re-tighten the bolts from the center to the outside in a spiral motion. If you need further assistance with your transmission, then seek out a professional, such as one from Your Mechanic, to help you.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Transmission drives forward in reverse.

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: What could cause it not to move forward?

Hi there. When the pump is turning in the transmission and the oil cooler line breaks off, the oil tends to pump out very quickly. It sounds like the pressure control solenoid has failed and is not directing the pressure...

Q: Q: Car is shaking violently

Since you have listed a number of issues, there is no certain way to provide you with a definitive answer. It's highly unlikely that all your issues are rooted in one part or system. If the plugs are covered in...

Q: After i installed new front brakes, they started squeaking..............whats the problem?

Hi there, thanks for writing in. I'll be glad to help you with your question about brake noise on your 2005 Montana. Shims and high temperature grease must be used in this application, otherwise noise may occur. It is also...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...