Timing Drive Components - Timing Sprockets: Installation

WARNING: This page is about a different variant/trim than selected.

Install the camshaft sprockets onto the camshafts and loosely install the bolts.

Fig 1: Installing Camshaft Timing Sprockets & Bolts
Courtesy of MAZDA MOTORS CORP.
Raise and support the vehicle. Refer to JACKING & HOISTING

NOTE: Make sure the correct (second) notch in the pulley is indexed to the lower cylinder block.

Fig 2: Identifying Crankshaft Position At TDC

Courtesy of MAZDA MOTORS CORP.

Slide the crankshaft pulley onto the crankshaft and confirm the crankshaft position is at TDC (No. 1 cylinder) by rotating it clockwise against the alignment peg.
1. Remove the crankshaft pulley.
Lower the vehicle.
Confirm that the timing belt tensioner is installed correctly with the tab positioned in the slot in the inner timing cover.

Fig 3: Identifying Tab Positioned In Slot In Inner Timing Cover
Courtesy of MAZDA MOTORS CORP.
Install the timing belt onto the timing belt sprockets.

Fig 4: Installing Timing Belt Onto Timing Belt Sprockets
Courtesy of MAZDA MOTORS CORP.
Adjust the timing belt tensioner.
1. Using a 6mm Allen wrench, rotate the adjuster counterclockwise and align the marks as shown.
2. Tighten the tensioner pulley bolt.
Fig 5: Adjusting Timing Belt Tensioner
Courtesy of MAZDA MOTORS CORP.

CAUTION: The camshaft alignment tool is not recommended to hold the camshafts in place when removing or tightening the bolts. Damage to camshaft ears may result.

NOTE: Use SST 303-098 to keep each camshaft from rotating.

Fig 6: Tightening Camshaft Timing Sprocket Bolts

Courtesy of MAZDA MOTORS CORP.

Tighten the camshaft timing sprocket bolts to specifications.
Raise and support the vehicle. Refer to JACKING & HOISTING .
Install the front mount lower bracket.

Fig 7: Installing Front Mount Lower Bracket
Courtesy of MAZDA MOTORS CORP.
Install the lower timing belt cover.

Fig 8: Installing Lower Timing Belt Cover
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Install the accessory drive belt idler pulley.

Fig 9: Installing Accessory Drive Belt Idler Pulley
Courtesy of MAZDA MOTORS CORP.
Install the water pump pulley.
- Hand tighten the bolts.
Fig 10: Installing Water Pump Pulley
Courtesy of MAZDA MOTORS CORP.
Install the crankshaft pulley. Refer to CRANKSHAFT PULLEY .
Tighten the water pump pulley bolts.

Fig 11: Tightening Water Pump Pulley Bolts
Courtesy of MAZDA MOTORS CORP.
Remove the special tool.

Fig 12: Removing Special Tool
Courtesy of MAZDA MOTORS CORP.
Install the stud.

Fig 13: Installing Stud
Courtesy of MAZDA MOTORS CORP.
Install the coolant tube.

Fig 14: Installing Coolant Tube
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Install the catalytic converter.
Lower the vehicle.
Remove the special tool.

Fig 15: Removing Engine Support
Courtesy of MAZDA MOTORS CORP.
Remove the special tool.

Fig 16: Removing Special Tool
Courtesy of MAZDA MOTORS CORP.
Install the valve cover. Refer to VALVE COVER .
Install the spark plugs.