Mazda MX-5 Miata Sport 2007 Manual page 1076

Fig. 9: Identifying Drive Belt Auto Tensioner
Courtesy of MAZDA MOTORS CORP.
DRIVE BELT AUTO TENSIONER INSPECTION [LF]
1. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [LF] .)
2. Remove the drive belt. (See DRIVE BELT REPLACEMENT [LF] .)
NOTE:
3. Verify that the drive belt auto tensioner moves smoothly in the operational direction.
Replace the drive belt auto tensioner if necessary.
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2007 Mazda MX-5 Miata Sport
2007 ENGINE Mechanical - MX-5
Use a mirror to see the position of the drive belt auto tensioner
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indicator mark.