Does this help?
1.9L and 2.0L SOHC Engines
See Figures 10 through 16
Fig. 14: Insert a 3/8 in. drive ratchet or breaker bar into the hole of the automatic tensioner Fig. 15: Pull the breaker bar or ratchet toward the front of the vehicle to relieve belt tension Fig. 16: Once the tension has been released, remove the belt from the pulleys and the vehicleTo install:
2.0L DOHC Engines
See Figure 13
Are you having trouble getting to the tensioner because of how tight it is in there?
If so there is a serp belt tool that is make just for this type of repair and it makes life allot easier when trying to do this.