United showed the appointment of Rangnick as Ole Gunnar Solskjaer's brief-time period replacement this week but the German continues to be to obtain a work allow.
That method Carrick stays in charge for the clash with the Gunners that could have a large bearing on the final race for a place inside the Premier League top four.
"I have not were given whatever to replace on. The method of the paintings permit and visa is ongoing as we speak," said Carrick on Wednesday.
"I am on this function, as I changed into for Villarreal and Chelsea. I'm getting the boys geared up for the sport the following day night time."
Carrick has mustered a response from a celebrity-studded squad that had lost five of Solskjaer's very last seven league video games.
A 2-0 win at Villarreal secured United's area inside the ultimate sixteen of the Champions League and a 1-1 draw at league leaders Chelsea reduce the distance on fourth location to 5 factors.
"We have carried on as we've got performed. It has worked properly for the remaining games and with a bit of luck it will as well for day after today."
Carrick took the ambitious call to depart Cristiano Ronaldo at the bench for the trip to Stamford Bridge.
Ronaldo seemed less than pleased as he headed down the tunnel at complete-time after approaching as a second-1/2 replacement, however Carrick performed down the significance of that response.
