Why is my transmission popping or hesitating into gears but it isn't low on fluid-- I just put a new radiator in and now this?

1. What causes a transmission to clunk into gear?
2. What causes transmission hesitation?
3. What causes delayed shifting in an automatic transmission?
4. Why does my transmission clunk when I slow down?
5. What does a transmission slip feel like?
6. Can a transmission cause hesitation?
7. Why is my transmission not shifting smoothly?
8. What is erratic gear shifting?
9. Why does my transmission whine when I accelerate?
10. Can low transmission fluid cause knocking?
11. Why is my car making a knocking noise when I slow down?

What causes a transmission to clunk into gear?

If you do start to hear these noises when shifting gears, they are certainly a cause for concern. Low transmission fluid and worn-out gears can be the culprit – and computerized sensors and solenoids can cause clunking if they send the wrong information to your car's gearbox.

What causes transmission hesitation?

If your transmission fluid is old, contaminated, and/or too low, it will speed up that wear on tear on your gears. This can cause them to not engage properly, leading to a slipping transmission. Both manual and automatic transmissions require some sort of clutch system that's integral to changing gears.

What causes delayed shifting in an automatic transmission?

Delayed shifting is often caused by valves sticking the valve body, which prevents shifts from happening when they should. On newer cars, which control shifts using a computer, the problem could lie in the shift solenoids that are used to trigger shifts.

Why does my transmission clunk when I slow down?

The sensors in the transmission are incorrectly regulating shifting information or your speed… ... Often clunking noises can occur because the sensors send incorrect shifting or speed information, creating a problem due to incorrect regulation. This is a problem that you should get checked out.

What does a transmission slip feel like?

What does it feel like when the transmission is slipping? When the transmission slips, it might feel like the vehicle is slow to respond. ... The noticeable change in the transmission's performance might be accompanied by a noise or change in pitch as it changes gears.

Can a transmission cause hesitation?

Hesitation. Your car hesitating when you accelerate is an issue that can be caused by transmission problems. It is possible for you to mistakenly think your gears are slipping when in fact it is your engine hesitating. It is also common to experience issues when switching from park to drive for transmission problems.

Why is my transmission not shifting smoothly?

One main reason why the automatic transmission in your car may not be shifting smoothly is the ECM is going bad. It is best to get this checked out by an experienced auto mechanic technician who understands the electrical system. Other indicators include bad connections within, or worn out sensors and faulty solenoids.

What is erratic gear shifting?

Line pressures are affected by dirty transmission fluid, low fluid level, a clogged line, or faulty transmission pump can cause the transmission to slip. ... Worn parts in the transmission could cause the transmission to shift erratically, but usually, worn parts lead to over revving or loose shifting.

Why does my transmission whine when I accelerate?

If any of the gears or bearings in the transmission are worn out, or the transmission fluid is not fully topped , it can cause a transmission whining noise when accelerating. ... If your car makes noise when accelerating at a low speed, it can be due to faulty transmission, especially if it goes away when you speed up.

Can low transmission fluid cause knocking?

Manual transmissions often make a loud clunking or grinding noise when you shift gears, while an automatic sounds like it's whining or humming. Noises could indicate that the fluid level is getting low, but you most likely won't be able to diagnose the problem yourself.

Why is my car making a knocking noise when I slow down?

Reasons Your Car Makes a Noise When You Turn the Wheel

Suspension Joints: Especially when heard at lower speeds, a creaking, clunking, or popping sound could indicate worn out or broken suspension joints.