I have ,a 2000,blazer LS four door two wheel drive, the question is tranny clatters , I put it in drive it pulls forward , an I put in reverse again goes in reverse, no clatter but when I takegear tha

When, I put my blazer in drive a few seconds past an it starts clattering, it
sounded , like my 84,6.9 biesial suburban when the tourceconvert went out of
my ,84, .. but the 2000 blazer will pull forward, an reverse with no problem it only
clatters when I put , the some tource behind it or start to drive off