As the Premier League leaders prepare to take on West Ham at Old Trafford tomorrow night, the 27-year-old striker has warned his defenders of the attacking threat that he is likely to pose.
Having played alongside Carroll for England, and trained with him closely at Euro 2012, Rooney is cautious of the defensive headache - both in the air and on the ground - the physical forward will bring to the encounter, adding that the back four will have to be at the top of their games.
"Andy Carroll is a handful," he said. "I am sure if you ask any defender, they find it difficult to play against someone like that who is good in the air and on the floor.
"He is physical and makes it hard for opponents. That type of player doesn't always get all the goals but they can cause trouble up front and create problems."
Manchester United will be looking to extend their lead at the top of the Premier League table as they look to build on the solitary clean sheet they have kept so far this campaign.
Sir Alex Ferguson has previously spoken of the importance of bucking the recent trend that has seen his side concede the first goal in 12 games already this season, and Rooney acknowledges that it is a situation that the players will have to change.
"Clean sheets are the foundation we try and achieve because we have plenty of players who can score goals and win games," he added. "As a team we are playing some good stuff at times but we are having to grind out results as well.
"Losing three games already is something we need to put right. We have been lucky that we haven't drawn any matches and we need to kick on from here and go on a good run.
"We know City and Chelsea will be looking out for our results as we look out for theirs. It is tough period and I am sure the manager will use his squad. We just have to make sure we come through for him."
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