What causes a hard shift in a transmission?

What causes a hard shift in a transmission?

Oftentimes, hard shifting can occur when you fail to change transmission fluid at the recommended interval. In the event that your transmission fluid gets low or dirty, your vehicle’s ability to shift could become compromised.

How do you reset the TCM on a 2007 Chevy Silverado?

How do you reset a Chevy TCM? To reset the TCM, I turn the key to the ON position, step on the accelerator pedal for 10 seconds, turn off the engine, release the accelerator pedal and wait 5 minutes for the engine to restart.

What makes a Chevy Silverado shift out of Park?

The shift lock solenoid is the mechanism that keeps you from shifting out of park without your foot on the brake. The good news is that most shift locks have an override button. You will need to find it for your particular model year of Silverado (if applicable). Finding it is usually pretty easy. Just look at your shifter.

What should I do if my Chevy Silverado is stuck in Park?

The shift linkage on your Silverado will usually provide a lifetime of dependable service. But, they can go bad. If you are positive that the gear shifter is not stuck in park (see directly above), then it’s likely that the shift linkage may be bad. Either something caused it to bend, or it’s starting to come loose.

What causes hard shift condition in Chevy Silverado?

The video shows the replacement of the 1-2 shift accumulator after the pin is worn allowing pressure blow by of transmission fluid, causing hard shift condition that does not really get worse over time. Loading…

Can a truck shift into or out of Park?

The truck won’t allow you to shift into or out of park unless the brakes are applied. I’m pretty sure it uses the brake light plunger switch to determine if the brakes are applied. Check your brake lights; if they don’t work, you’ve likely found your problem. The truck won’t allow you to shift into or out of park unless the brakes are applied.