Subaru 1600 Service Manual page 288

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3. Clutch
chatters
4. Noisy
clutch
5. Clutch
grabs
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Clutch chattering is an unpleasant vibration to the whole body when the vehicle is just started with
clutch partially engaged.
(a)
Improper clutch cable routing Correct.
(b) Adhesion of oil on the facing Replace clutch disc.
(c) Weak or broken torsion spring
Replace clutch disc.
(d) Defective faCing contact or excessive disc Replace clutch disc.
deflection
(e)
Warped pressure plate or flywheel
Correct or replace.
(I)
Loose disc rivets Replace clutch disc.
(g) Loose engine mounting
Retighten or replace mounting.
(h) Improper adjustment of pitching stopper
Adjustment.
Examine whether the noise is generated when the clutch is disengaged, engaged, or partially engaged.
(a) Broken, worn or unlubricated release bearing Replace release bearing.
(b) Insufficient lubrication of pilot bearing Apply grease.
(c) Loose clutch disc hub Replace clutch disc.
(d) Loose torsion spring retainer Replace clutch disc.
(e)
Deteriorated or broken torsion spring Replace clutch disc.
When starting the vehicle with the clutch partially engaged, the clutch engages suddenly and the car
jumps instead of making a smooth start.
(a) Grease or oil on facing
Replace clutch disc.
(b)
Deteriorated cushioning spring Replace clutch disc.
(c) Worn or rusted spline of clutch disc or main
Take off rust, apply grease or replace clutch
shaft
disc or mainshaft.
(d) Deteriorated or broken torsion spring Replace clutch disc.
(e) Loose engine mounting Retighten or replace mounting.
(I) Deteriorated diaphragm spring
Repalce.
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