EAS fault ?

Hi, been cleaning inside the engine bay and underneath today and now from nowhere after 3 years of no problems the eas is playing up ? When you press up the rear goes up straight away but the front takes ages now.Even if you drive off its still the same whereas yesterday it all went up in about 8 secs.Have i loosened something ?,what do i check
Cheers

Are we talking a rag in hand clean or a 2400 PSI jet wash clean???
If its the latter brace yourself for more problems than just the EAS.

No, just rag in hand ?

Probably just coincidence. Do the soapy water leak test on the pipes where they come out of the EAS box, you might have disturbed one. Otherwise sounds like a leaky airbag, there must be enough pressure as the back comes up fast.

Dont think its airbag,left it in high all night and still there in the morning ?.Today it was slow again 1st thing then tried it after a couple of miles and it goes up and down normal ?.Got home and tried and its back to slow at the front again ?