depends on the car, typically just the valve cover gasket though
Its hydraulic ,you cant,check your slave cylinder to see if its leaking,its located thru a rubber cover on side of transmission,if leaking replace and bleed,also check clutch master cylinder,if not leaking,then you might need a new clutch kit.
sounds like you need a new head gasket if its smoking white out the tail pipe and leaking oil that's a head gasket that's broken. quick fix. remove valve cover and replace rubber seal that goes around the valve cover.
Is fluid leaking around the dust cover? If you are suspicious, lift the corner of the dust cover and see if the area inside is dry. Usually, if the slave cylinder is leaking you will get quite a bit of fluid on the outside.
Do you mean clutch slave cylinder,if so ,its bolted on side of transmission,with rubber cover,if leaking,replace and bleed.
hydraulic clutches cant be adjusted,it might be that your slave cylinder is leaking,look at your transmission,theirs arubber cover that your s. c. is coming thru ,if its leaking,then replace and bleed system ,if not then u need a new clutch.
Need to replace the valve cover gasket.
im guessing someone has told you that you have a 'leaking valve cover gasket'. the valve cover is normally on the top of the engine,above the pistons, sometimes its where you put the oil into. The gasket is where the cover joins with the block.
Head gasket, timing cover gasket, or hose leaking.
It's probably leaking from a faulty water pump. Replace the pump.
Try replacing oil filler cap.
If the valve cover gaskets are leaking, yes.
Replace it.