Question about 2008 Ducati Monster S4Rs Testastretta

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Lube clutch throwout bearing

I am about to put in a new clutch throwout bearing, do I need to lube it before pressing onto the pressure plate

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You can grease the push rod ends if you're intent on greasing up something.

Posted on Nov 20, 2008

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Clutch stays down. Slowly will take of with clutch fully pressed. Does not slip.dont understand


It sounds as though the clutch pressure plate has become weak.

When you press the clutch pedal the release/throwout bearing presses against the centre of the clutch pressure plate. This causes the metal 'fingers' -the springs- on the pressure plate to flex and release pressure on the driven plate - momentarily disconnecting the drive from engine to gearbox.

The link below is of generic clutch images
how clutch works Google Search

A weak pressure plate isn't fully releasing the driven plate. If you're going to do any replacing of parts - a clutch should be replaced in 3 units: Pressure plate, driven plate and release/throwout bearing.

May 05, 2016 | Cars & Trucks

1 Answer

Hi i just put a new master cylinder a month back now today my clutch felt hard and when i put it in reverse heard a broken sound clutch went flat and oil came from the master what can the problem be


Umm...

A mechanical 'breaking noise' doesn't sound good. It's hard to diagnose a problem online without being there to see/hear the vehicle. But .. it may be that your clutch pressure plate has broken/ release/throwout bearing has broken?

It's difficult to see why the master cylinder should leak - unless it was incorrectly fitted in the first place?

Just to check ... The master cylinder is in the engine bay/compartment and is where you top up with clutch fluid. When a master cylinder fails it usually results in no pressure at the clutch pedal, not a leak.

The clutch slave cylinder is the one that does all the work. When you press the pedal hydraulic pressure is sent from the master cylinder to the slave cylinder - which then pushes the release/throwout bearing against the clutch pressure plate and 'disconnects' the driven plate .. allowing you to change gear.

The slave cylinder is the one that does all the hard work - it is located somewhere where engine and gearbox mate together, usually at the bottom right/left. It's usually the one that fails/leaks. It's quite easy to replace..

I don't think it is anything to do with reverse gear. It's more to do with the clutch pedal being depressed - and, I would suspect - something has failed.

The link below is generic images of a clutch:
clutch diagram Google Search

Basically, a clutch is 3 parts. There's the 'pressure plate' which bolts onto your flywheel. The pressure plate is a 'spring'. You depress the clutch pedal and the release/throwout bearing presses onto the centre of the pressure plate causing the 'fingers' - the springs - to bend back and take pressure off the driven plate - which is the link - the drive - between engine and gearbox.

If you have a leak your clutch will not work. This causes a 'grinding/crashing' noise when you try to change gear. The first thing you should do is check where the leak is coming from and do something about it.

The 'noise' that you mention may be due to the fact that the gears are 'grinding' as they try to mesh together without the use of the clutch.

The first thing you should do is check why there's a leak. It's difficult to see why a new master cylinder is leaking unless it was incorrectly fitted and damaged (pipes incorrectly connected..).

If it's the slave cylinder that is leaking - replace it. Easy job.

If Master cylinder and slave cylinder are ok - you have to look at your clutch unit. A clutch is always replaced with 3 parts ... throwout bearing/pressure plate and driven disk.

May 04, 2016 | Cars & Trucks

1 Answer

I need to know how to replace the clutch in a 1993 colt vista


0900c1528004723e.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Clutch release bearing - 1990 Colt hatchback and sedan w/ 1.6L engine, 1990 Colt Wagon w/1.8L engine, and 1990-93 Vista


0900c1528004723f.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Clutch driven and drive discs - 1990-93 all models


0900c15280047240.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: Clutch release bearing - 1990 Colt Wagon w/1.5L engine, 1991-92 Colt hatchback and sedan w/4-speed and 1993 Colt hatchback and sedan w/1.8L engine

  1. Remove the transmission or transaxle as outlined.
  2. Insert a pilot shaft or an old input shaft into the center of the clutch disc, pressure plate, and the pilot bearing in the crankshaft.
  3. With the pilot tool supporting the clutch disc, loosen the pressure plate bolts gradually and in a crisscross pattern.
  4. Remove the pressure plate and clutch disc.
  5. Clean the transmission and clutch housing. Clean the flywheel surface with a non-oil based solvent. Wash your hands before installing or handling the clutch assembly parts. Hold the clutch disc by the center hub only.

Before assembly, slide the clutch disc up and down on the transmission input shaft to check for any binding. Remove any rough spots with crocus cloth and then lightly coat the shaft with Lubriplate.
  1. To remove the throwout bearing assembly: Remove the return clip and take out the throwout bearing carrier and the bearing.
  2. To replace the throwout arm use a / 16 in. punch, knock out the throwout shaft spring pin and remove the shaft, springs, and the center lever.
  3. Do not immerse the throwout bearing in solvent; it is permanently lubricated. Blow and wipe it clean. Check the bearing for wear, deterioration, or burning. Replace the bearing if there is any question about its condition.
  4. Check the shafts, lever, and springs for wear and defects. Replace them if necessary.
  5. If you hadn't planned on replacing the clutch disc, examine it for the following before reusing it. Loose rivets. Burned facing. Oil or grease on the facing. Less than 0.3mm left between the rivet head and the top of the facing.
  6. Check the pressure plate and replace it if any of the following conditions exist: Scored or excessively worn. Bent or distorted diaphragm spring. Loose rivets.
  7. Insert the control lever into the clutch housing. Install the two return springs and the throwout shaft.
  8. Lock the shift lever to the shaft with the spring pin.
  9. Fill the shaft oil seal with multipurpose grease.
  10. Install the throwout bearing carrier and the bearing. Install the return clip.
  11. Grease the carrier groove and inner surface.
  12. Lightly grease the clutch disc splines.

The clutch is installed with the larger boss facing the transmission.
  1. Support the clutch disc and pressure plate with the pilot tool.
  2. Turn the pressure plate so that its balance mark aligns with the notch in the flywheel.
  3. Install the pressure plate-to-flywheel bolts head-tight. Using a torque wrench and, working in a crisscross pattern, tighten the bolts to 11-15 ft. lbs.
  4. Install the transmission or transaxle as outlined.
  5. Adjust the clutch as described in the following information.

Jan 07, 2013 | Cars & Trucks

1 Answer

Replace throwout barrings location install rattle when in gear.


get a service manual on CD over on ebay for about 5 bucks. jack car way up, drop the drive shaft, disconnect shifter and clutch linkage, unbolt the bell housing from the transmission and remove, unbolt pressure plate and take off flywheel, have flywheel resurfaced and reinstall, install new clutch and pressure plate, replace throwout bearing, put transmission and bell housing back in, connect shifter linkage and clutch cable or hydraulic, put drive shaft back in and you are done.

Jun 29, 2011 | 1996 Ford F150 Regular Cab

1 Answer

Grinding type noise when the clutch is put in


You may have a bad throwout bearing which is not good as the transmission will need to be pulled to replace it, If replacing the throwout bearing it is usually a good idea to also replace the clutch plate at the same time. This can be caused by keeping pressure on the clutch pedal while driving causing the throwout bearing to be constantly engaged therefore wearing out the bearing.

Mar 03, 2011 | 1990 Daihatsu Rocky

4 Answers

Having trouble shifting...hear strange rattle when clutch NOT pushed in... sounds like a joint or bearing of some sort


Your throwout bearing may be nearing the end of its useful live. Your clutch may be in the same condition.

Please have this checked by your mechanic before any major damage occurs.

Mar 11, 2010 | 1993 Saturn SL2

1 Answer

Cant put my 98 Hombre in gear.


There are 4 parts to this system. First is the clutch master cylinder, second is the slave cylinder, third is the clutch throwout bearing, and last is the clutch pressure plate. These are all the parts that can be the issue. The master cylinder is the part that pumps the fluid to the slave cylinder, which pushes on the linkage to the throwout bearing, which pushes on the fingers on the clutch pressure plate, releasing the clutch. If you drained the fluid out, first you need to make sure that all the AIR is out of the system. It's just like brakes, it will not pump if it has air in it. The hydraulic portion of the system rarely gives problems, so here's a question. How old is the clutch in your truck? If it's over 100,000 mi, then you should start suspecting the throwout bearing. Did the truck make any groaning noises when you pressed the clutch recently, and then perhaps it stopped on its own? These are signs of throwout bearings going out. Here's the bit of troubleshooting that you need. go under your truck, and find where the slave cylinder attaches and pushes on the linkage that goes into the bell housing on the transmission. Feel this linkage; it should have very limited to no movement. if it moves significantly, then your throwout bearing went out, and you will need to replace your clutch and throwout bearing. If not, then it's the hydraulic portion of the brakes, and you'll have to troubleshoot between air in the system, master cylinder failure, or slave cylinder failure.

Feb 15, 2010 | 1998 Isuzu Hombre

1 Answer

I was bleeding my clutch now my clutch pedal stuck to the floor on a 1995 f 150


Most modern clutches are hydraulic. It may be that either the clutch master cylinder or slave cylinder are stuck or some sort of restriction in the line. Or, it may be that the throwout bearing or pressure plate have some sort of issue (this requires pulling the tranny and looking at the clutch, pressure plate (plate that rides against the clutch with springs to engage the clutch) and throwout bearing (bearing on the arm that presses against the pressure plate to engage the clutch).

Of course, I am assuming you have checked for any outside restrictions that would not allow the pivot arm to retract (missing spring or piece of ice or debris stuck in there).

Just some ideas :)

Jul 27, 2009 | 1995 Ford F150 Styleside Regular Cab

1 Answer

New Clutch, New Noise!


throw out baring was inproperly installed

Mar 30, 2009 | 1998 Ford Escort

1 Answer

94 chevy s-10 clutch won't release comepletely after replacement


two things to mind, sometimes when you get a new clutch it comes with blocks in pressure plate there put in there from the factory for shipping purposes, they have to be removed otherwise it will do what you discribe. secound if you got the wrong length throwout bearing will do it to. most likely its one or the other. if you sure everything is right as far as clutch, pressure plate, and throwout bearing, than the only other thing i can say it could be is slave cyl. bad. hope this helps. OLD SCHOOL.

Jan 21, 2009 | 1994 Chevrolet S-10

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