What makes the transmission shudder at 30 mph?

What makes the transmission shudder at 30 mph?

Eagle Transmission Rebuilt the transmission about a year ago and it started shuddering again after a few weeks. I’ve taken it back 2 more times for the same thing (repairs are under warranty) and it continues to shudder when shifting at about 30 mph & 40mph.

What’s the problem with my Silverado Trans Shudder?

It started around 80k- replaced a pump solenoid and it was OK. Started again around 125k. It just seems to bump slightly when under a load in high gear between say 40 and 50 mph. Not enough load to make it downshift, like when going uphill. give it some gas and it downshifts and goes away.

Why does my Trans shudder when going uphill?

It just seems to bump slightly when under a load in high gear between say 40 and 50 mph. Not enough load to make it downshift, like when going uphill. give it some gas and it downshifts and goes away. Reading online indicates this is just a weak trans, with several problem areas.

What kind of transmission does a GMC Sierra 1500 have?

I have a 2006 GMC sierra 1500. I have a similar problem with a 2007 5.3 4 speed- new body style. It started around 80k- replaced a pump solenoid and it was OK. Started again around 125k. It just seems to bump slightly when under a load in high gear between say 40 and 50 mph.

Eagle Transmission Rebuilt the transmission about a year ago and it started shuddering again after a few weeks. I’ve taken it back 2 more times for the same thing (repairs are under warranty) and it continues to shudder when shifting at about 30 mph & 40mph.

Is there Trans fluid flush for GM 8 speed transmissions?

Customers that complain of shuddering and harsh shifting characteristics in the 8-speed GM transmissions are recommended for a trans fluid flush. As of August 7 th, GM dealers should also be flushing all potentially affected new vehicles on the lot.

What makes a torque converter shudder at low speed?

Torque Converter Shudder Problems. A torque converter is the fluid coupling between an engine and transmission that allows the engine to idle at low speed without engaging the transmission. A torque converter uses an engine-driven turbine (fan) to push fluid through a matching turbine attached to the transmission.

Why does my drive train shudder when I shift gears?

Now to meet more stringent fuel mileage standards, the auto makers are locking up the torque converter as soon as they deem possible whether the transmission is through shifting through the gears or not. This has been putting more force on the torque converter locking mechanism than it was originally designed for.

When do you feel the shudder in your car?

The shudder vibration may be noticed mostly during light throttle acceleration of 30-64 mph (48-104 km/h) during steady state driving with the transmission not actively shifting gears. It also may feel like driving over rough pavement or rumble strips.

What causes drive train shudder at 110, 000 miles?

We had the same shudder at 110,000 on our 2012 AWD. We had some time left on our extended warranty that we purchased from CarMax when we bought the car with 19,000 miles. It was a failed torque converter. It’s is a well known problem among GM mechanics, at least in Southern California. It probably should have been a recall.

What causes a shudder in a torque converter?

A torque converter shudder vibration may be induced by the torque converter clutch in normal driving mode (with an expected TCC slip amount) and is most often due to TCC friction material/ATF degradation).

What causes Acura MDX to shudder at 35 mph?

Acura Acura MDX Shudder or Vibration While Driving at Speeds Between 35 and 40 MPH Problem Description A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. Our technicians tell us this condition is commonly caused by a failed automatic transmission torque converter.