If possible, check fuel pressure after the engine loses power. This other post may help:. The clutch maker blames it on gearbox though got new clutch coming 8 garages said the same it the clutch. What are you think it is?
Answer: There could be some air in the hydraulic system. Check and see if you can hold the clutch depressed for a few secs before shifting into first. Also, try going to second and then to first.
If any of this makes shifting into first without grinding, you may need to bleed the system. Question: My Ford F is stuck in second gear, but the shifter moves. What could be the problem? Answer: The gearshift lever may be worn or broken, or there could be issues with gear train components.
Question: I can switch gears, and it won't take off. When I press the pedal in, all you can hear is a rubbing noise as if the clutch itself isn't catching and spinning around. What do you think it could be? Answer: The clutch might be slipping. Set the parking brake, disengage the clutch, shift into third gear and increase engine speed to about rpm.
Slowly release the clutch pedal until the clutch engages. The engine should stall. If not, the clutch is slipping. The clutch linkage could be binding, clutch disc wear, or some other damage. Question: My car is a model Isuzu D-Max.
Now, this seems to be unusual that I smell a burning odor. How is this? Answer: If the smell is coming from the transmission, probably the clutch is slipping clutch friction caused by the disc between the flywheel and the pressure plate. This may happen when accelerating from a standstill or under heavy load. But riding the clutch pedal, need of release clearance adjustment and oil contamination can also cause this. Question: I have a Honda Accord. Just about burned my second clutch.
Can a bad transmission cause premature clutch failure? Answer: This usually happens when the clutch slips too much or the assembly is contaminated with oil. Check the clutch linkage or hydraulic system for any signs of problems.
There are other mechanical issues in the assembly that may cause premature failure. This other post may help you here:. If possible, talk to the shop where the clutch was replaced, maybe they were able to diagnose the problem when they removed the failed clutch.
Question: When I push on the accelerator and shift into gear, it makes a whiring sound when I drive. Answer: If you can hear the noise in all gears while moving, but you don't hear it in neutral, probably you got faulty output bearings. Question: My parents had a new clutch put on a Kia Sportage. However, it is still doing so. The garage said this happened on other Sportages and that it most likely needs another transmission installed. Is this a common issue with these vehicles?
Answer: The most common reasons for a grinding noise is a worn out synchronizer, bearings, or gears. But it can also happen if for some reason the transmission is running out of oil or the oil has been contaminated. Other problems that can lead to a grinding noise include bad speedometer drive gears or too much end play at the input or output gear end. I'm not aware of a TSB technical service bulletin reported specifically for the transmission on this model.
The most common issue on this model has to do with the engine, cooling, and fuel systems. But you might want to call your local dealer to make sure. It'll be cheaper to have it diagnosed at a transmission shop first, then make a decision accordingly. Question: My mate has a problem with his manual Ford Transit. When you stop and put the gear into neutral, the engine stalls unless you declutch. With a front-wheel jacked off the ground, it spins slowly when the engine is run in neutral, as though the gearbox is not fully engaging neutral.
What could the problem be with this Ford's gearbox? Answer: I'm guessing a bad input shaft bearing here, but it could be a bad or worn clutch system part.
Just in case, check the hydraulic system, master and slave cylinders. Make sure the fluid is OK. Question: My car has no gears. It began not going into 2nd. Then all bottom gears, 2nd, 4th and 6th; then all gears. Now the shifter just turns freely in circles. The shifter should be properly connected to it. Other possibility is an internal mechanical problem in the transmission.
Question: My Toyota Corolla will reverse with no problem or noise. I can shift it into first with no problem. However, when driving in first it shakes and grinds terribly. I have only crept along with in going 5mph to see if it would go forward; it does. Could this be the gearbox? Question: My manual Toyota Yaris makes a grinding and scraping noise when I let off the accelerator while it's still in gear disappears when I engage clutch or accelerate.
Answer: There could be a problem with the clutch release bearing. They sound like this when they start going bad. I am having trouble getting the car into 1st gear and reverse. If the car is turned off it will go into 1st gear or reverse no problem. Once I am driving the others gears seem to work fine with an occasional slight difficulty getting into other gears.
I do not have any leaks or noises. Do you think I just need to change the transmission fluid? Answer: Check the engine and transmission motor mounts. They could be cracked or worn. Question: Is the transmission blown if it acts like it's in Neutral even when it's in gear? Answer: Not necessarily. Probably the clutch is not engaging. The clutch may be worn out, clutch in need of adjustment. Question: I have a Cobalt Sport. The shifter is loose and can rotate degrees. So I completely skip that gear and go from 3rd to 5th gear.
Answer: Most likely the shifter is either worn or damaged, that would prevent going into 4th. Question: I have a Dodge with 3-speed manual gearbox floor shift. I can change up through the gears, but when I want to change down from 3rd top to second, I cannot get it out of top gear. The lever is stuck. Clutch works ok. Do you have any advice? Answer: Make sure the shift linkage is not stuck, worn or damage. Otherwise, an internal mechanical problem seems to be the issue.
Question: I have a Chevy Sonic with a manual transmission. It makes a knocking noise in all 5 gears that gets faster with speed. The noise disappears when the clutch is pressed, or when in neutral.
What would cause this? Answer: This kind of rhythmic, knocking sound usually happens in a component with a chipped or broken teeth. This may be a gear, input or intermediate shaft gears or similar part. But you need a good diagnostic, because something like this requires disassembly if a shop suspects this is what's going on.
Question: I have a Toyota Corolla that is making a whining noise in all gears and sometimes a clanking sound. Does this sound like it could be a problem with the clutch? Answer: Seems like a worn clutch or flywheel; possibly a problem with the pilot bushing being worn as well. Question: What would cause my Trans Am not to go into first with the car on or off? All other gears work. Answer: The problem could be a detent plunger worn or broken spring or a loose plug not able to hold the detent pin or spring.
This is just an idea. You need a better diagnostic before disassembling. Question: So when I let off of the gas of my car but still in gear at highway speeds 50 mph plus there's a thumping and bumping noise. I can feel it very slightly! My question is, what would cause this? I have no other issues with shifting. I just noticed it happening today. Answer: Usually, this type of noise comes from a worn universal joint; but other related issues that may cause noises during deceleration or even acceleration - axle bearings, or a worn transmission extension housing bushing.
Question: I heard a little bang when in gear, then I was out of gear, and although the clutch was able to put the tranny into each gear, the transmission would keep acting as if I was in neutral. Is this a clutch or transmission output shaft problem? Question: I have a VW T25 diesel 4 speed. It started grinding into 3rd and 4th recently and can be hard to get into first.
And pops out of 2nd. So not a good start was fine before an engine replacement. I was driving on a trip, and it dropped from 4th to 2nd without touching the stick. Now I've only got reverse, 1st, and 3rd, and I'm pretty sure 2nd is 4th! Grinding when the clutch is engaged too. Any ideas? I've restored the linkage but no good. Answer: It seems like an internal problem, probably a damaged gear. You may need to bring the car to a transmission shop for a proper diagnosis. Question: Ford Ranger 5 speed manual.
While running in neutral, as I let out on the clutch, it starts making a rattling noise. When I push the clutch in, it stops.
Also it will go in all gears fine but when I start to take off, it will try to move but then makes a loud popping sound and won't move. Previous to this it had started making a whining sound when driving. What could be wrong? Answer: This could be a problem of worn or bad countershaft bearings. Make sure you got enough oil. The rubber shift cover plugs tend to shrink and leak, usually while the vehicle is moving.
This could affect bearings and gears. Question: I have a 98 Dodge Ram 4x4 nv Trans grinds into 2nd and 3rd. If I pause after pressing in the clutch, it doesn't grind. Pedal seems a bit harder to press than normal. I changed the fluid. It was not too dark but magnet had a fair amount of metal on it, looked silver for the most part. Should I do a clutch before condemning synchros?
Answer: It does sound like a syncro issue, but it could be a linkage adjustment problem or slave cylinder issue as well. Question: I have a 06 Scion.
In first and second gear only you can literally feel the entire gear shift pull forward when accelerating. In second gear, it pulls so hard it drops to gear shift back into neutral. If I try to hold the gear shift in second, it grinds.
The dark color comes from the worn clutches inside the transmission. The clutch material is similar to that of brake pads and when they wear the leave dust similar to brake dust collecting on your wheels. Transmission Servicing and Electronic Diagnosis Manual. NOTE: Many automatic transmissions use an electronic control module, electrical sensors and solenoids to control transmission shifting. When troubleshooting a vehicle with this type of system, be sure the electrical connectors are fully connected, clean and not physically damaged.
If necessary, clean the electrical contacts using electrical contact cleaner. The use of cleaning agents not specifically designed for electrical contacts could leave a film or damage the insulation of the wiring.
These transmission problems can be caused by severe internal damage, a failed shift solenoid, failed sensor or a transmission computer module failure. Sometimes a simple software update is all that's needed to cure the shifting issues, fortunately the the check engine light comes on when there is an issue giving you a P code that tells the technician that there is a transmission code present.
At this point the technician can scan the transmission codes that will help diagnose the issue. Automatic Transmission Problems First thing to do, no matter the issue, is to check the automatic transmission fluid The transmission is slipping: odds are the fluid level is low and topping the fluid level off will take care of the immediate issue you'll still want to find out what happened to the missing fluid.
Transmission Application Guide Transmission Temp Gauge Transmission Temperature Transmission Servicing and Electronic Diagnosis Manual Transmission shifts erratically Check and if not within the recommended range, add or remove transmission fluid to obtain the correct fluid level. But for larger displacement high-output high torque engines, a manual or conventional automatic transmission is still required.
Audi's Multitronic CVT, which is offered in the A6 model, uses a chain instead of a belt to carry the power between the pulleys, and a special torque sensor to control the force with which the pulleys grip the chain. The steel chain has 1, link plates, 75 pairs of pins and can handle up to ft. Audi also programs its CVT computer to reduce the rubber band effect so the driver feels less of a disconnect between engine rpm and vehicle speed.
The Multitronic also has a manual shift mode that allows the CVT to be shifted like a manual 6-speed gear box, including downshifts to use engine braking to slow the vehicle. Instead of using a belt or a chain, the Extroid transmission uses a pair of rotating rollers between an input disc and an output disc.
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