Clutch Pump Problem

[speedking]

every morning when i start my car...my clutch very low, but after engine warm up....clutch become very high....i have change my upper and lower clutch pump...but problem still there...
wat is wrong?
please help...
yesterday i have send to my mech to release air, then problem solved....but this morning problem come out again...
previously was using cable clutch now change to oil pump type and this problem occur...this is the second time changing clutch pump...
if let say the pump to pedal alignment is not correct...i mean lari abit, will it cause this problem?
i'm using Dot 4 oil for my clutch pump..and original pump...not those cap ayam brand..

sifu pls help

 

[khoyos]

mech said, use dot 3 for clutch pump. dot 4 offensive to the seals.

 

[davidlow7]

mech said, use dot 3 for clutch pump. dot 4 offensive to the seals.

tiu lor.. my mech. went to put DOT4 inside .....
I guess i need to suck out the dot4 and pour back DOT3