what causes torque converter shudder
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What are some Symptoms of a Torque Converter starting to Fail? The Torque Converter can go bad, and many people mistake an engine miss, torque converter shudder, or an engine vacuum leak for a converter going bad. An out of adjustment brake light switch can also cause the torque converter to no lock up sometimes.A sticking valve within the transmission is the usual cause of an erratic lock up that will mimic a bad converter. Rule out the obvious before you assume its going bad, and/or have it rebuilt.n out of adjustment brake light switch can also cause the torque converter to no lock up sometimes. A sticking valve within the transmission is the usual cause of an erratic lock up that will mimic a bad converter. Rule out the obvious before you assume its going bad, and/or have it rebuilt.
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- As mentioned, converter shudder is usually temperature related. As transmission fluid recycles back through the engine turbine, it picks up frictional heat. Once the amount of heat generated by this friction surpasses the transmissions cooler's ability to shed it, the fluid thins and power transfer becomes inconsistent.ransmissions can shudder in a very similar manner to torque converters. To determine whether the shudder is tranny or TC related, run your vehicle for a little while till it begin to shudder and immediately park it. With your foot on the brake, put the transmission in Drive, and apply light throttle.
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Why do Catalytic Converters Fail? Check Engine light? Converter failure is usually an indication of a larger problem. For instance, a faulty fuel injector can inject too much fuel into an engine. This raw fuel will make its way to the converter, causing the converter to overheat.
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Symptoms of a Bad or Failing Catalytic Converter Rattling noises are another symptom of a bad or failing catalytic converter. If a catalytic converter becomes old or damaged internally from excessively rich fuel mixtures, the catalyst coated honeycombs on the inside of the converter can collapse or break apart causing a rattle.
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2000 Impala: torque converter clutch circuit..highway..temp gaugeâ¦ My 2000 Impala 3800 had code P0742, torque converter clutch circuit stuck on. The car 'stumbles/hickups/misses' (it's not the plugs and wires; I had them changed last fall) after about 30 minutes on the road (highway and in town).
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- 1 In addition, remove any rust or dirt from the crankshaft hole where the nose of the converter fits into and apply grease there, too. 2  Not doing this can cause the converter to not line up properly and bind when tightening the converter to the flexplate. 3  The flexplate is just that... 4  A flexible plate. Make sure you don't pinch any wiring when you put the tranny back in place...you'll cut them & have lots of fun... 2  The dipstick bolts to the bellhousing-if you don't reattach it, you will have a leak... 3  Add 4 quarts of fluid if you are not also changing the fluid. if you are then add 8 quarts. 4  Start the car.
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- The input speed sensor measures the RPM of the input shaft of the transmission. With the engine running and the vehicle in gear (forward or reverse), if the car or truck is not moving, the input shaft of the transmission is also not moving.This is because the torque converter, which is a fluid drive, allows this effect, which is perceived as 'slipping'.When the input shaft moves, the input speed sensor detects this motion, and wires deliver this signal to the control module.he Vehicle Speed Sensor measures vehicle speed. If it fails or malfunctions the automatic transmission may not operate properly. It may also cause the automatic transmission to go into failsafe mode making it appear that the problem is more severe than it actually is.
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EatonÂ® Fuller Â® Heavy Duty Transmissions Throwout bearing noises are more audible at the lower end of pedal travel. The usual causes are: A bad clutch shaft pilot bearing will make a high pitched squeal when the clutch is disengaged and the transmission is in gear or within the first 2 of pedal travel. The bearing must be replaced.
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Fact & Fiction about Automotive Repair Fiction: My torque converter is bad. I just need my torque converter replaced. Fact: If your torque converter is bad, unless it stripped the converter splines on a otherwise fully functional unit, is unlikely that converter replacement is the solution. The converter shares fluid with the transmission. If it develops a problem, the debris from the converter failure can damage the transmission and /or starve the transmission components for lubrication. Also, many times the torque converter will be damaged as a result of an internal transmission problem. In other words the transmission may have been the cause of you torque converter failure.
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torque converter shudder Re: torque converter shudder. Jan 13 2012, 12:49pm. kinneyb wrote:Me and a buddy of mine are having a similar problem and i would like some opinions on fluid to use, techniques, and brands of filters to change the tranny fluid.
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- ATI’s “Outlaw” Lock Up converters utilize a clutch pack that locks the converter up solid, resulting in 0% slip. It can be activated with fluid when used in ATI’s SG4 or compressed air when used in a Bruno or Lenco drive. In this picture we can see the individual parts that make up a torque converter.
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- The reason for the relay is voltage drop in the starter circuit. Because of the usually long length of cable from the starter to the control panel the voltage drop in the cable can be enough to prevent the solenoid from engaging fully. The result is a click and nothing else when you press the starter.
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- Yes if the shocks are bad it can allow a shake to happen It will also put a lot more stress on other things and cause them to wear out very fast Worn shocks can also allow tir … es to wear improperly so that they will shake also.plit and merge into it. Answered by The Community. Making the world better, one answer at a time. If it is a front wheel drive vehicle, it could be your cv axle or bad struts. yes bad shocks could cause vibration ,but i know my car had a bad cv axle in it a while back. the problem was the cv axle was broke in 2.
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- Very oftenthe problem is a torque converter shudder. A torque converter shudder is a brief shake or shudder in the vehicle when internal clutches apply inside the torque converter. Often this problem is mis-diagnosed and sometimes they needlessly rebuild transmissions as a result.
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What is a reasonable price to replace the transmission on aâ¦ The fault code for the TCC(torque converter clutch) solenoid is set due to no internal filter in the transmission which allows for the normal debris from band/clutch wear to clog the torque converter, front pump, and valve body.
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- Symptoms of catalytic converter problems. Converters fail in several ways so symptoms vary. Sometimes the ceramic breaks and causes a rattling noise. We most often hear this with the engine at idle speed.An impact to the exhaust can cause the brittle ceramic to fracture.ymptoms of catalytic converter problems. Converters fail in several ways so symptoms vary. Sometimes the ceramic breaks and causes a rattling noise. We most often hear this with the engine at idle speed.
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Torque converter Torque converter elements. A fluid coupling is a two element drive that is incapable of multiplying torque, while a torque converter has at least one extra element—the stator—which alters the drive's characteristics during periods of high slippage, producing an increase in output torque.
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- that s where the stall speed comes in let s say a torque converter has a stall speed of 2500 rpm if the vehicle isn t moving by the time the engine and therefore the impeller reaches 2500 rpm one of two things will happen either the vehicle will start to move or the engine rpm will stop increasing
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Torque Converter FAQs: What is Stall Speed? How Does a TC Operate? (And Other Common Questions) How does a torque converter work? A torque converter is a fluid pump of sorts. Inside the donut-shaped housing is an impeller, which is driven by the engine. The impeller’s vanes create centrifugal force by pumping transmission fluid toward the outside of housing. The other key component inside a torque converter is the stator. It’s located between the impeller (on the input side) and the turbine (on the output side). The stator incorporates a one-way clutch, which has the ability to redirect the fluid flow inside the converter.
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Notes on the Troubleshooting and Repair of Small Gasoline Engines and Rotary Lawn Mowers What causes a car to shake when you put it in drive? The most likely causes are vacuum leak, bad plug/coil, a sensor (EGR, O2, etc.), or fuel delivery problems. If the car is a recent model and driveable, take it to the nearest …auto parts retailer/service center and have them scan it for errors. The most Probable cause would be a broken motor or transmission mount.
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P0742 CHEVROLET - Torque Converter Clutch Circuit Stuck On P0742 Chevrolet Description. The Torque Converter Clutch (TCC) solenoid valve is a normally-open exhaust valve that is used with the Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve in order to control fluid acting on the converter clutch apply valve.
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How does a torque converter work? There are several parts to a torque converter (TC): Housing Pump Stator Turbine Transmission Fluid The housing it attached to directly to the engine. It spins at the same speed as the engine (obviously). Attached to the housing are the fins of the pump. The pump is a centrifugal type pump.
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An Automotive Troubleshooting Flowchart for Clicks and Clunks That leaves power train noises, with the most likely culprits to be a exhaust manifold leak, a small crack in the forward exhaust pipe, or a genuine engine tick. Don't be shy about getting other people to listen and try to pinpoint the noise, we all have different hearing abilities in different ranges.
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Torque converter stall speed is the maximum amount of engine RPM that can be achieved in an automatic transmission-equipped vehicle while the transmission is in a forward operating range without generating any driveshaft motion. There are three common methods to gauge the stall speed characteristics of a torque converter. Footbrake stall is the maximum amount of engine RPM that can be achieved in a forward operating range with the brakes fully applied to prevent the vehicle from moving forward.Footbrake stall is not an accurate method of determining the true maximum stall speed of a torque converter.ll advertised stall speed ratings of all torque converters are nominal ratings regardless of the manufacturer or converter design. These advertised ratings are not indicative of the actual stall characteristics of a torque converter.
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