My car is falling apart

2. to have so many problems that it is no longer possible to exist or function

Their marriage finally fell apart.

The deal fell apart when we failed to agree on a price.

Mr Gorbachev agreed to talk to me about the moment the world changed: the day the Soviet superpower fell apart.

The national coalition fell apart five weeks ago.

syms: break down, dissolve, disband, lose cohesion, disperse; break up, crumble, disintegrate, fall to bits, go to seed, come apart at the seams, break into pieces, go or come to pieces, shatter.