Originally Posted by orbit77
my roommate's amp did the same in his mr2, i got sick of it and beat the crap of it and it stopped for a bit but i ended up putting my spare amp in there. the amp was actually just too old and was abused so it was gone anyways.
thats the same exact thing i've been doing.
Once it thumps I pound on the amp with a closed fist. Then it goes away.