Tannys making a rattle noise near the back up light switch I pump the clutch and it stop I drive it stops I Rev it stops what could it be

 

Throwout bearing.

 

I had the clutch replaced the whole kit last week I've looking at the. Haynes repair Manual I can't find it does it have another name the kit came with pressure plate clutch disc release bearing and pilot bushing/ bearing *** where required***