A/C Drive Belt

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
Loosen idle pulley locknut A. See Fig 1.
Loosen adjusting bolt B and remove the belt. See Fig 1
Install the drive belt and adjust the drive belt deflection by tightening adjusting bolt B to the specification. See Fig 1

Fig 1: Locating Drive Belt Tensioner Bolts
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- After replacing with a the new drive belt, assemble with the deflection/tension for new drive belt and operate the drive belt for 5 min or more while idling the engine. Then adjust it to the deflection/tension used when adjusting.
Drive belt deflection (with pressure of 98 N {10 kgf, 22 lbf})

Fig 2: Drive Belt Deflection - Pressure Of 98 N {10 Kgf, 22 Lbf}
Courtesy of MAZDA MOTORS CORP.

Drive belt tension (when using the SST)

Fig 3: Drive Belt Tension - Using SST
Courtesy of MAZDA MOTORS CORP.
Tighten idle pulley locknut A to the specified torque.
Tightening torque

37.2-51.9 N.m {3.80-5.29 kgf.m, 27.5-38.2 ft.lbf}
Crank the engine and measure the deflection and tension again. If not within the specification, repeat from Step 2.
Install the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)