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Clutches and Flywheels

Clutches and flywheels are parts of a car’s transmission, enabling drivers to accelerate and change gears. They come in a variety of combinations based on the driver’s needs and quality of the ride.

4,058 Questions

When will a clutch slip?

When it's worn out. When it's badly adjusted. When you keep your foot lightly on the clutch pedal.

Where is the starter and flywheel on the 94 z28 camaro?

The starter is underneath the car on the passenger side. The flywheel is in the transmission bellhousing.

Why does my clutch get stuck on my 98 Camry?

Try to be a little more specific when you describe how the clutch gets "stuck".

Do you mean that it won't dis-engage, or do you mean that it won't engage?

If it won't disengage, it could be a problem with the hydraulics, in which case you'll probably need to track down whether there is a leak in the master cylinder or slave cylinder, whether the fluid is low or if there is a mechanical problem with the hydraulic clutch system.

A clutch that won't disengage can also be caused by a damaged clutch disk, throwout bearing or pressure plate.

If it won't ENGAGE, it is probably a problem with the physical clutch disk and/or pressure plate.

How do you replace the slave cylinder on a 1995 Chevy full size pickup?

Replace Slave CylinderI have an '89 and I'm not familiar w/the '95's, but they're probably very similar The slave on my '89 is right below the starter on the passenger side. Although others have told me most are on the driver side. Regardless, you should be able to follow your hydraulic line down from the clutch master cylinder (under your hood) to find the slave (under your truck). It looks like, and basically is, a brake line. Disconnect this line, and be ready to catch the fluid w/container or at least some rags. From there, the slave has 2 studs and you simply have to remove the nuts & washers & it will easily slide out. Install the new one the same way, but make sure the piston is seated properly on the clutch (throw-out) release arm. My '89 has a 1" (or so) diameter inspection port that allows you to see, and get your fingers in there to guide the piston. Next, hook up the line, fill up the master reservoir w/clean, new brake fluid, hook up a plastic tube to the bleeder (the stub off the slave), fill the bottom of a clean container with a couple inches of new brake fluid, & put the tube in the container. Make sure the end of the tube is under the fluid at all times or you�ll just suck more air into the system. Now you'll need a buddy in the cab to help you bleed the system... just like your would your brakes. You cannot do this part by yourself... I've racked my brain & still have not come up with a way to bleed lines by myself!.

Where is the hydraulic clutch fluid reservoir on an 85 zx?

The clutch master cylinder is on the drivers side under the hood behind the brake booster.

What type of oil is used for a clutch of a 1985 Kawasaki 454 LTD?

Try www.websxtreme.net/index.php.It is an info site for kawasaki 454's.It has all the specs.Hope this helps.

How do you adjust or bleed the clutch on a '94 Hyundai excel?

If you can get a Hyundai repair book at auto parts store, library, or book store you will need it. the bleeding process isn't that bad, however the other adjustments require more detail. My book states the following (good supply of dot3 or better brake fluid,small transparent plastic container, wrench to loosen and tighten bleeder screw on release cylinder, and an assistant to work the clutch pedal).1. unscrew the clutch fluid reservoir cap. 2. Loosen bleeder screw just so fluid starts to leak out of the bleeder hole. 3. fill the plastic container halfway with brake fluid. 4. Connect the hose to the bleeder screw and place the other end of the hose into the container of brake fluid. 5. Fill the reservoir to the MAX fill line and have the assistant pump the clutch pedal slowly. You will notice air bubbles rising to the top of the fluid container. KEEP the reservoir full at all times. 6. Repeat previous step until all air bubbles are gone. 7. Tighten the bleeder screw and check the fluid level. Add fluid as necessary until the proper level is reached. 8. Install the reservoir cap. Ok that is a direct quote from my book. If you plan on keeping the car invest in Auto repair book it will help greatly.

What causes drag?

Answer: turbulated or swirling air behind the vehicle

Answer:

Drag is the generic term for friction caused by the interaction of a fluid or gas on a fluid or solid. Drag is somewhat related to the materials interacting (as regular solid on solid friction is), a great portion related to shape, and slightly related to by temperature. Surface area of the substances directly correlates to the amount of drag experienced.

A flat thin surface placed so largest face is towards the flow of fluid, it has all it's area in contact with the fluid and if the force is perpendicular to the surface, and drag is maximized. Rotate the surface and you change the angle the fluid hits the surface and how much is imparted to it. Turn it sideways (90' from flat) and you have the least amount of drag: initial surface area is dropped by 2 to 1000's of times. The thicker the second surface is, the less drag is reduced by rotating the surface. This is called "angle of attack" when it comes to wings and air. Angle of attack changes both friction and lift.

A wing (on a plane) is in an offset teardrop shape because (what I was taught in school but read somewhere is not quite right ..) the flow speeds over the wing need to be different to create the force of lift (vertical pressure.) The distance the fluid has to move in the same time increases with more offset. The bigger the difference in flow speeds, the greater the lift (to a limit of course.) BUT. Since an increase in surface area in contact equals an increase in friction, the wing produces lift but "fights" against forward movement: induces drag.

Design of the wing, the body, the control surfaces, even the engine all change flow characteristics of air over a plane, and therefore change the drag generated. If there were no drag, much less powerful engines would be needed to over come drag.

Gas and liquid flows come in two generic types: laminar and turbulent. Laminar is seen in the middle of a river - with no obstructions the fluid all travels in orderly layers and in straight lines. Remember an object in motion tends to stay in motion in the same direction unless acted on by an outside force. Turbulent flow is what you see when the laminar flow hits and object. The friction between the object and the fluid causes the fluid to "stick" around the object and clashes with the laminar flow from the rest of the fluids. These cause eddys and whorls (spinning vortices) in the fluid and increase the drag felt by the fluid.

Subsonic (less than the speed of sound, ~700mph at sea level) planes use the old offset teardrop shape to generate large amounts of lift and because the speed forward is not near as important with high speed planes (generally military) they want slower laminar flow over most surfaces to increase mileage and control by the crew. Trans (around) and Supersonic planes have wings designed differently because at sonic speeds the flow changes dramatically and what was efficient now has lost the ability to generate lift, prviously laminar flow is now turbulent (often because the layers are packed so very closely by the plane flying through them.) All planes are designed to increase laminar flow of air over them, they have to do it in different ways due to the characteristics of air flow at different speeds.

Not all turbulent flow is bad - a lot of planes have small "tiny rudders" on their wings at different places to help direct the laminar flow as wanted - like small orderly placed rocks in a stream, these appendages create small amounts of turbulence to control a larger laminar flow.

91 Honda civic air conditioning compressor clutch turns on an off?

Assuming this is a factory installed a/c system and not an aftermarket one, there are several possibilities for the clutch engaging and disengaging. When the compressor cycles off, do both fans go off at the same time? The clutch and fans should work together in a properly operating system. The airconditioner routinely would cycle on and off in a good system to prevent the evaporator core from forming ice on the cooling fins and blocking airflow. If the clutch only cycles on and off and the fans remain running, a wiring problem say at the connection to the clutch or the thermal switch on the compressor itself may be defective. Another possibility is that the clutch coil is developing an "open circuit" but cycle times of the clutch engaging and disengaging would be fairly long. I'm sure there are more things that may cause your problem but these are good places to start looking.

Air conditioning clutch on a 94 ford aerostar van?

What exactly do you want to know about "Air conditioning clutch on a 94 ford aerostar van?" How to replace? What engine do you have, etc.?

How do you replace the clutch in a 1991 5 speed ranger?

You will need to drop the exhaust, crossmembers and the driveshafts. Then, you will need to pull the transmission (and transfer case if 4x4). After that you will need to take the clutch assembly off of the flywheel, have the flywheel turned, and then put everything back together.

kent phillipsChange your own clutch..........

I just PM'd this to mrduke to help him with his weekend coming up, figured it could go in here as well.:

My best time is 1 hr 37 minutes

OK, as in Spaceballs, here's the Short, short, short version:jack up car remove driver wheel/tire begin drain on transmission plug - 23 mm. remove two strut-to-hub 17mm bolts remove abs sensor from hub (2) 12mm remove crossmember (6) 17mm bolts remove engine cradle (2) 17mm nuts, (2) 14mm nuts, (2) 17mm bolts, and the front motor mount thru bolt (17mm) use chisel and hammer to pop axle from transmission. the hub will swing out far enough to pull the axle out of the transmission, barely. remove the whole slave cylinder itself from transmission (2) 12mm DO NOT OPEN/mess with the line (this way you won't have to rebleed it) pop retailer clip from transmission bracket and lay this up and to the side use the overflow as a hook for it to keep it up and out of the way disconnect starter wire (12mm) and solenoid wire (male to female, squeeze and pull) remove single 17mm nut on upper motor mount to free up big ground. pull up wireharness out of the way to gain access to more bolts remove single ground wire 10mm bolt, other 4wire ground wire 10mm bolt, the bracket they were attached to, and throw the bracket away. weight reduction remove 10mm bolt on rear motormount to transmission brace remove 10mm bolt on main transmission ground wire (black w/ yellow stripe) unplug VSS (grey plug, 2 wire, into top rear of trans vertically) unplug PNP Switch (black 2 wire plug near fuel filter, comes up from underneath) unplug reverse lights switch (2 wire white plug, under starter) begin with removing transmission to engine 17mm bolts, 3 across the top, 3 down the front remove inspection plate (3) 14mm bolts remove shifterlinkage bar (12mm) remove shifter stabilizer bar (14mm) remove 3 rear motormount to transmission 17mm bolts, Start on the TOP One and work down (trust me) remove rear 17mm engine to transmission bolt. remove front lower 17mm engine to transmission bolt., it is a stubby one, remember where it goes leave in lower rear 14mm engine to transmission bolt (trust me) remove 2 10mm nuts on fuel filter remove 17mm bolt from lower leg of upper trans mount accessible now you have moved the fuel filter out of the way (just pop it over one stud to the left) at this time wedge axle input shaft up into the loop of the lower fuel hose, it'll hold it there up and out of the way (trust me for later) secure jack under the motor, use exhaust piping, it'll hold ....(or oil pan....it'll be fine) MARK their orientation in the motor mount bracket (front to rear, the hole is slotted) first with a silver sharpie or something, then remove remaining 2 nuts and single 17mm bolt on upper transmission mount. marking them will help in alignment later for rear 3 17mm MM to MTX bolt install transmission should sag down a bit, but not fall (remember 14mm bolt from above?) get under transmission and remove 14mm bolt. using bench press technique, grab starter with right hand and rear of trans (around the shifter linkage input) with left hand slide transmission off motor....flathead screwdriver and wedge from earlier will help a stubborn contestant.

do clutch replacement and FW? if applicable.

MAKE SURE THE CLUTCH IS DEAD CENTER....use the alignment tool.

Tricks on install:

installation is reverse of removal but.....Note orientation on upper 2 MM bolts and 2 studs.

use automotive lubricant on input shaft, teeth, and T.O. bearing shaft. hit the steel sleeves on the edge of the bell housing as well, to help it sink when you seat it.

you didn't mess with the passenger side on purpose, because now you have a shaft that will help you guide the transmission back home.

When you go to put it in, sink that shaft first, then play with the alignment on the input shaft.

Careful, it can/will fall back off even if you think you got it on....so thread that 14 mm bolt back in when you can get it to line up to secure the transmission

Oh, add fluid, pump clutch a few times first, and check your engagement before you get it down.

good luck, that is the short, short, short, short, short, version. __________________She sifts in the moonlight down the stair, with nothing on, nor on her mind. Spy her beneath the baninster; a constant thresh of flesh and thigh. Her lips imprint the swinging air, that parts to let her parts go by. One woman water fall, she wears her slow descent like a long cape. And pauses on the final stair, collects her motions into shape. But she sees upon the stage, Probetalk is comedy, deception and rage. Unfortunate, the trust is broken. Kill the Wabbit! Ratamahatta.

How do you remove the fan clutch to get to the water pump on a Ford Aerostar?

Not all the fan clutch nuts are left hand thread some are right handed. It states which type you have on the top of the radiator shroud.

AnswerPut a rag on the pulley and wrap your chain wrench around it to hold on and keep the pump from turning when you put your monster adjustable wrench on the clutch and turn it off. Sears sells a strap wrench (Part #45570) that works really well for holding the fan pulley.

Auto mechanics manual transmissions and transaxles?

The clutch pedal free play is less than specification tech a says the clutch may slip during hard acceleration. tech b says that the clutch will grab when the clutch pedal is close to the floor when the clutch is engaged whose correct

The center spline on the clutch disc is attached to the?

the center spline of a clutch is the base plate for which the clutch is made. You have a disk usually from 7" to 14" made from treated steel then the clutch material is rivited to the plate / with or without addhesive. Your clutch is a floating disk on the splined input shaft of the transmission, and rides between the flywheel and the presure plate.There is a throwout bearing on the input shaft as well. Your throwout bearing is attached to the motion of your clutch pedal through a forked arm either through hydrolics or simple mechanical leverage setup.

How do you change a master cylinder?

1.Take off old one.

2.Bring to parts store and buy the same one

3.Put new cylinder onto table vice

4.Connect a small hose to the base (where you took the lines off)

5.Place a hose on each opening,run the hose to the top of the reservoir

6.Fill reservoir with brake fluid

7.(be sure it is securely held in place)8.press in on the end of the movable part of the cylinder slowly until no bubbles are coming up from the fluid.This removes the air in the cylinder. Put new cylinder on the same way you took the old one off. Keep brake fluid in reservoir. Bleed brake lines from right rear, left rear, right front, left front.

To bleed brakes

A. press brake pedal to floor (this puts pressure in system)

B.The other person needs to open bleeder valve on caliper/wheel cylinder. Before the person lets the pedal up the valve must be closed(if it is not air will come back into the system). When valve is closed pump pedal 3-5 times then repeat steps A,B.For about five times.Once you have completed the process the pedal should be solid. Test drive carefully; if it brakes properly then it is good but if it sinks and is spongy then there is still air in the system

P.S. Be sure brake fluid is full. Be sure to press and hold pedal to its fullest extent. Be sure that when the pedal is pressed immediately that it goes to a screeching stop.

Do automatic transmissions have clutches?

A few automatic transmissions do have clutches; however, the majority use a torque converter.

Clutches are useful in devices that have two rotating shafts. In these devices, one of the shafts is typically driven by a motor or pulley, and the other shaft drives another device. In a drill, for instance, one shaft is driven by a motor and the other drives a drill chuck. The clutch connects the two shafts so that they can either be locked together and spin at the same speed, or be decoupled and spin at different speeds.

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In a car, you need a clutch because the engine spins all the time, but the car's wheels do not. In order for a car to stop without killing the engine, the wheels need to be disconnected from the engine somehow. The clutch allows us to smoothly engage a spinning engine to a non-spinning transmission by controlling the slippage between them.

To understand how a clutch works, it helps to know a little bit about friction, which is a measure of how hard it is to slide one object over another. Friction is caused by the peaks and valleys that are part of every surface -- even very smooth surfaces still have microscopic peaks and valleys. The larger these peaks and valleys are, the harder it is to slide the object.

A clutch works because of friction between a clutch plate and a flywheel, I can't really tell you about that without giving you the wrong information.

Why doesnt Clutch disengage when pedal is depressed on my 1970 VW bettle?

Clutch plates are sticking - get your clutch checked you might need a new one

Why would you have to push the clutch pedal all the way in and it is still difficult to change gear on Vauxhall Frontera 2.4?

I had same problem so I changed clutch, no diference. found the plate the clutch pedal conects to had pulled away from bulkhead. rewelded to bulkhead and clutch was fine.

How do you put a clutch in a 93 S10 with a 28 in it?

youy bestbet is to go and buy the book. it will have every bit of information for your truck. Autozone.com has a repair guide that is also somewhat helpful.

How do you bleed the clutch line on a 1991 Mazda B2200 Pick up?

Bleed the clutch the same as you would the brakes - have someone press down on the pedal while you open the bleeder valve, which should be on the bell housing near the driver's side of the engine compartment. It's below the brake fluid reservoir, might help to look at a diagram first. If you do this a few times until only brake fluid is coming out, and no air bubbles, it'll solve situations such as having to pump the pedal to get any resistance, or difficulties in shifting into first gear.