Yes. Typically with lash should be between .008 and .012 You are going to need a dial indicator to check this.

More importantly the first signs of wear in an existing rear end is the pinion bearing. You can't see these as they are behind the carrier. Look for "chew marks" on the carrier like this photo:

CHEW MARKS

SWEET
Sergeant At Arms: Old Dominion Stovebolt Society
BUNS?!?!?!Where we're going, we don't need no buns.....
1950 GMC 450
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery