The two South American nations go head to head for a place in the last four on Friday, having come through second-round clashes against Uruguay and Chile respectively.
Valdes insists Colombia will make no alterations to their build-up for a showdown with the hosts.
"Brazil traditionally play possession football, but whenever we face a team we prepare in the same way," he said.
"Brazil is a squad which contains very good players."
Colombia have been one of the form teams of the competition, with James Rodriguez winning a number of admirers for his goalscoring exploits.
"We've always had the priority to take the tournament step by step," he added. "The key is that he [Pekerman] understands our idiosyncrasies."
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