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flywheels

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Understanding Main Gears Vs. Planetary Gears
Aspiring mechanics spend hours learning about how main gears and planetary gears work in a car transmission, so a full dissertation simply isn’t possible within this relatively brief article. If you’re curious...

Related questions

Question
Wheel bearing
Wheel bearings can be difficult to locate which of the four is making the noise. I've spent to much time crawling around a car while another technicians drives attempting to figure out which bearing is making the noise. You can...
Question
Tips for taking the flywheel off.
Hello and thank you for contacting YourMechanic. You don't need an impact wrench to remove a flywheel. You can use a breaker bar to remove the bolts. What you need to do though is remove the starter from the engine...
Question
I can hear a knocking sound coming from my front left wheel when brakeing at above 40 mph.
In may cases the knocking sound coming from the wheel area is caused by one of two issues; a warped brake rotor or the wheel bearings that are beginning to wear out. Vehicles made after the late 1990's (like your...
Question
Loud scraping noise
Depending on what type of vehicle you have, the loud scraping noise coming from the front passenger wheel could be a few items. First and most likely is that the wheel bearings are grinding due to lack of lubrication inside...
Question
Slipping clutch
Clutches are supposed to slip while the clutch is being engaged so the vehicle does not jerk or lurch forward when starting out. The clutch also needs to slip when the gears are changed to ease the shock on the...
Question
When driving and going over 55 mph the car starts shaking like it is going to cut off.
Hi there! There are several reasons why your TL can act this way. First off, if this behavior is predominantly after the car has been sitting overnight or longer, it can be the result of "flat-spotting" - the low profile...
Question
2010 VW caddy 1.9 TDI- flywheel installation issue
I have to wonder if what you are actually looking at is a relief cut in the flywheel that is in the outer perimeter near the ring gear. It's hard for me to imagine that you could really do significant...
Question
Failed engine, flywheel came off as well
The only way to determine the failure mode of the bolts is to send the "assembly" to a forensic laboratory equipped with a scanning electron microscope. If the bolts were loose, there would have been noticeable vibration and noise prior...
Question
Noise when starting the vehicle
Hello. The symptoms you describe are commonly associated with a faulty starter or a worn flywheel or flex plate teeth. When the starter is engaged a plunger extends and makes contact with the flywheel ring gear. If there is an...
Question
I want my car repaired but not sure what the problem of th e car is. lately when i start the car it just makes a grinding noise an
If you have confirmed that there is a loud grinding noise on starter activation, that means one thing and one thing only: the starter motor is failing, likely due to an internal fault such as a bad starter drive gear,...
Question
My clutch won't release at high RPMs
These are all aftermarket parts, and it cannot be verified whether the clutch disc and pressure plate will work together with the aftermarket flywheel. The flywheel and clutch components are not releasing at higher RPMs as a result of the...
Question
Flywheel to torque converter installation
Hello and thanks for contacting YourMechanic. The 2007 Dodge Durango could have had a different transmission. I suggest putting on the old flex plate that was on your old engine onto the newer engine. Then the bolts will align up...
Question
Having trouble getting the starter to sit properly
If the starter is being stripped back and causing the bolts to bend and making the sheet metal bend, there may be more than just a starter shim issue. First, try to get the right shims for the starter and...
Question
I have a no crank, no start situation.
This is likely a result of the starter solenoid not engaging the flywheel. When the key is turned and the current is supplied to the solenoid, the gear comes out and engages the flywheel. When this is not working, you...
Question
My car won't engage 1st gear 2006 Audi A4
Hi there - I believe the problem is more likely with the 1st gear set in the transmission. If the clutch works in one gear, it will work in all gears. While a bad flywheel would cause the vibration and...
Question
Heavy grinding when trying to start
Unusual noise of that "type" suggests damage so, of course, don't continue trying to start the car. A possibility is something is amiss at the flywheel ring gear and/or the starter motor pinion gear. The starter motor itself could have...
Question
I changed out my starter but now I think it's not disengaging took it off went to test it they say it does disengage what else c
It sounds like you have three issues: a possibly faulty battery, a no start condition, and noise on starter engagement. The condition of the battery can be verified through a load test. If the battery checks out OK, once you...
Question
Clutch appears to be burnt out.
Hi there. When it comes to replacing the clutch in your vehicle, it is best to replace all of the parts that will connect to the clutch. I recommend replacing the flywheel, the friction disks, the pressure plate (which the...
Question
I had a wheel bearing replaced, now it seems to be worse 5 days later
I can see two possibilities. Either the bearing was damaged during the replacement, or the diagnosis was wrong and the wheel bearing was not the original problem. If the wheel bearing was damaged during replacement, then he is obligated to...
Question
should you lube the wheel bolts (lug nuts)?
There are several schools of thought on that, but most often, the manufacturers do not recommend lubricating the wheel nuts. Here is a link to an article about installing wheel nuts Some technicians and tire stores are careless about tightening...

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