What to do if your Silverado shifting is bad?
What to do if your Silverado shifting is bad?
Sometimes it might require a re-calibration load by a dealer; that will cost if off warranty. And sometimes, it could be solenoids that the computer controls are bad, or a hard part inside the trans is bad. Really hard to diagnose from a recliner hundreds of miles away.
Which is TSB is that Silverado hard shift?
SilverSurfer wrote: The latest tsb says to install new 1-2 accumulator valve kit. It says nothing (this time) about reflashing the TCM. Mine shifts harder when cold and smooths out after it warms up. Which TSB is that? Here is one I found from another forum:
What causes a 1-2 shift flare on a Silverado?
Some customers may comment about a 1-2 shift flare with an end bump or a harsh 1-2 shift at light throttle. This condition may be caused by the 2-4 band apply time extending through the 1-2 accumulator stroke. 1. Verify the customer’s concern. 2. Remove the valve body. Refer to Valve Body and Pressure Switch Removal in SI.
Is it hard to shift from 1st to 2nd gear?
While this warning is displayed and only while its displayed, it will shift very hard from 1st to 2nd gear, the shift is hard enough that if I’m accelerating hard while doing this, it actually chirps the tires. (I’ve now been avoiding hard acceleration).
Why does my Chevy Silverado shift so hard?
Recently it’s started to shift extremely hard under certain circumstances. It never does it when it’s cold (the trans, not ambient), and it sometimes does it when it’s warm. Anyone have an idea of what the problem might be? Have scanned for trouble codes? Most transmission codes won’t turn on the CEL. Take it to Autozone or O’Reillys.
Where is the Shift Controller located on a Chevy Silverado?
Many shift abnormalities involve the transmission shift controller’s numerous valving operations, which utilize accumulators, solenoids, pistons, and piston shafts. The valve body for the transmission is located underneath it, mounted just above and enclosed by its oil pan.
Why does my transmission shift hard from 1st to 2nd gear?
The fluid gets dirty over time and when it does, it causes plenty of troubles. Hard shifting is one of them. If the color is dark brown or burnt, changing it is likely to solve this issue. Dirty transmission fluid. (Photo Source: procarreviews)
How to know if your Chevy Silverado has transmission problems?
No 1st or 4th gear (torque converter doesn’t lock, can be driven in 2nd, 3rd, and Reverse gear): 1 Transmission is in “limp home” mode or lost electrical power. 2 Check the under-hood fuse that powers the transmission. If it’s tripped, look for a short. 3 If in “limp home” mode, look for PCM codes to trigger this fault condition.
Why is it hard to shift my automatic transmission?
CARS.COM — Vehicles with an automatic transmission might not have a clutch and a stick shift, but they can still have trouble shifting. At times, drivers may have trouble getting the car out of Park and into gear. Problems with shifting your automatic transmission can come from a few different places, starting with the shift interlock feature.
Why did GM change to 8 speed transmission?
The car maker said that the new 8-speed transmission would distribute power more evenly than the previous 6-speed transmission – a “win-win-win scenario” for consumers, according to advertising released in 2014 about the change.
What happens when you shift into drive in a car?
You get in your car, start the engine, shift into drive, and you’re off…or not. Instead of just taking off, your car paused before actually shifting into drive.
Sometimes it might require a re-calibration load by a dealer; that will cost if off warranty. And sometimes, it could be solenoids that the computer controls are bad, or a hard part inside the trans is bad. Really hard to diagnose from a recliner hundreds of miles away.
What to do when automatic transmission won’t shift into 3rd gear?
Check the Throttle Cables. Changing the fluid solves plenty of transmission issues but if the problem of automatic transmission won’t shift into 3rd gear persists, the parts you should check are the throttle cables. A defective cable with excessive slack is likely to create issues with smooth shifting of the gears.
The car maker said that the new 8-speed transmission would distribute power more evenly than the previous 6-speed transmission – a “win-win-win scenario” for consumers, according to advertising released in 2014 about the change.
What happens when you change gears in a GM car?
“Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or ‘hard shift’ when the vehicle’s automatic transmission changes gears,” alleges the GM class action lawsuit.
