What would cause my truck to shift hard?

Causes of rough shifting include: Transmission Fluid Low or Poor Condition – Vehicles low on transmission fluid or that are operating with worn out or contaminated fluid are likely to experience hard shift conditions. The fluid in your transmission should appear clean, light red in color, and somewhat transparent.

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)

What to do if your truck is shifting too hard?

Taking the truck to the mechanic might be an easier option at this point. Still, changing the spring in this accumulator is one of the ways performance tuners speed up shifts in automatic transmissions. Lift the truck on jack stands with the transmission in neutral. Drain transmission fluid and remove pan and filter.

How to change hard shift from 1st to 2nd?

Install a red cavity plug, P/N 12059168, into cavity “A” of the new 4-way connector, P/N 12186568. Install the brown (Circuit 25) wire of the vehicle wiring harness into cavity “B” of the new 4-way connector.

What should I do if my 4L60E is shifting hard?

A cheap and easy fix if your 4L60E automatic trans is shifting hard or shifting late. Most common is a hard shift from 1st to 2nd gear. Loading…

When does transmission shift hard from 1st to 2nd Rd?

When car transmission Fluid is low or dirty is could lead to transmission shifting hard from 1st to 2 nd and even from 2nd to 3 rd. So when you have a gear shifting issues, one of the things to check is your transmission fluid.

What happens when you shift from first to second gear?

Here is one I found from another forum: Some customers may comment that the transmission slips, a shudder, chuggle, or vibration is felt when the transmission shifts from first to second gear.