Lurching is caused by a mismatch between wheel and engine speed as the clutch engages. Release the clutch more slowly so their speed is synchronized gradually.
Transmission gears wear out and start slipping.
Slipping gears are usually due to normal wear and tear, which causes them to not engage properly and to slip in and out of sync. It is rare, but there might be a malfunctioning set of gears in the transmission, which is usually due to bad original manufacturing.
It could be due to worn-out friction material or a pressure plate defect (or combination of both). It could also be caused by an oil leak contaminating the clutch plate. If there is a fault with the clutch, you will need to find out whether it's a mechanical issue or whether the clutch facing has been contaminated.
The issue is the clutch is slipping. When the transmission is in second gear, the power train is in an in between gear ratio and will cause the vehicle to have a loss of power during acceleration. I recommend seeking out a professional, such as one from Your Mechanic, to help you diagnose your clutch.
Shaking and jerking are good indicators of transmission trouble. Gear grinding is a common symptom in manual transmission vehicles. Automatic transmission failure often begins with some hesitation during gears shifting. Some might describe this a “slipping,” as well.
Dirty Air Filters
The air filter functions to prevent dirt and debris in the air from entering the engine. If it's dirty, it could restrict airflow to the engine, thus reducing the amount of oxygen that the engine gets. This causes an uneven oxygen-to-fuel ratio in the engine which leads to misfiring and car jerking.
Average transmission repair costs range from $300 to $1,400. For example, if your manual transmission needs a new clutch, you can reasonably expect to pay around $800 to $1,500. On the other hand, transmission replacement is one of the most expensive repairs you can get. Replacements can range from $1,800 to $3,400.
If you drive manual, most manufacturers will recommend changing your transmission fluid every 30,000 to 60,000 miles. If you have automatic, you can typically boost that range up to 60,000 to 100,000 miles. There's no harm in changing your fluid early.
How Much Does Transmission Repair Cost? Transmission problems are expensive. The average cost to replace transmission can cost around $2,600, but ranges from $1,800 to $3,400. Repairs are a bit less expensive, averaging $900, but might be anywhere from $300 to $1,500 depending on the issue.
Typically, when your transmission begins to fail you may start to notice some form of difficulty when changing gears. Occasionally you may hear or feel a clunk noise when you shift gear. Another sign of a rough shifting is difficulty in accelerating to the speed for the gear that it is in.
To put it briefly, no you should never drive your vehicle if you believe there to be an issue with your transmission in any case. Once a transmission starts slipping it needs to immediately be repaired. Every time you drive it after you feel your transmission slip, it is a risk.
Low Engine Oil Levels
Engine oil makes driving more comfortable because it lubricates the engine's moving parts. So, if your engine oil level falls below a certain level, you may hear a jerking sound caused by the rough friction between the less lubricated parts.
Spark plugs that are worn out will cause the engine to misfire. This means that your spark plugs are not igniting the fuel in each piston cylinder in a timely manner, causing your car to jerk around while accelerating.
When the transmission fluid is low, it can't properly lubricate the gears, causing them to grind and jerk when they shift. If the transmission fluid is dirty, it can cause the same problem.
If you notice that your car jerks while you're accelerating, this is an issue that you shouldn't ignore. A jerking car is often a sign that your car will develop other problems if you don't address this issue. Dirty fuel injectors are among the most common reasons for why an accelerator becomes jerky.
If a manual transmission it could mean you are going too slow (lugging the engine) for that gear, assuming you are starting out in first. If an automatic transmission it could be bad u joints, bad transmission or engine mounts (being that it is that certain RPM/speed) or it could mean internal damage.
This issue may be caused by a couple of different things. A gasket near the transmission filter where it mounts to the valve body could be leaking causing the hydraulics within the transmission not to engage second gear properly. On the other hand, a shift solenoid may also be at fault.