Timing Chain Removal/Installation: Notes

1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION .)
2. Disconnect the negative battery cable.
3. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
4. Disconnect the wiring harness.
5. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION .)
6. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION .)
7. Remove the ventilation hose.
8. Remove the coolant reserve tank with the hose still connected and set it out of the way. (See COOLANT RESERVE TANK REMOVAL/INSTALLATION .)
9. Remove the front wheel and tire. (RH) (See GENERAL PROCEDURES (SUSPENSION) .)
10. Remove the aerodynamic under cover and splash shield as a single unit. (See AERODYNAMIC UNDER COVER REMOVAL/INSTALLATION .) (See SPLASH SHIELD REMOVAL/INSTALLATION .)
11. Remove the nut shown in the figure and set the power steering pipe component out of the way.
    Fig 1: Power Steering Pipe Component Nut With Torque Specification

    Courtesy of MAZDA MOTORS CORP.
12. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION .)
13. Remove the crankshaft position (CKP) sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
14. Disconnect the drive shaft (RH) from joint shaft, set the drive shaft (RH) out of the way. (MTX) (See DRIVE SHAFT REMOVAL/INSTALLATION .)
15. Remove in the order indicated in the table.
16. Install in the reverse order of removal.
17. Start the engine. And inspect and adjust the following:

• Leakage of engine oil. (See ENGINE OIL LEVEL INSPECTION .)
• Runout and contact of pulley and belt.
• Verify the ignition timing, idle speed and idle mixture. (See ENGINE TUNE-UP .)

1	Dipstick
2	Cylinder head cover (See CYLINDER HEAD COVER REMOVAL NOTE .) (See CYLINDER HEAD COVER INSTALLATION NOTE .)
3	Crankshaft pulley lock bolt (See CRANKSHAFT PULLEY LOCK BOLT REMOVAL NOTE .) (See CRANKSHAFT PULLEY LOCK BOLT INSTALLATION NOTE .)
4	Crankshaft pulley
5	Water pump pulley
6	Idler pulley
7	Idler pulley
8	No. 3 engine mount (See NO. 3 ENGINE MOUNT REMOVAL NOTE .) (See NO. 3 ENGINE MOUNT INSTALLATION NOTE .)
9	Front oil seal (See FRONT OIL SEAL REPLACEMENT .)
10	Engine front cover (See ENGINE FRONT COVER INSTALLATION NOTE .)
11	Chain tensioner (See CHAIN TENSIONER REMOVAL NOTE .)
12	Tensioner arm
13	Chain guide
14	Timing chain (See TIMING CHAIN INSTALLATION NOTE .)
15	Oil pump chain tensioner
16	Oil pump sprocket (See OIL PUMP SPROCKET REMOVAL/INSTALLATION NOTE .)
17	Oil pump chain
18	Crankshaft sprocket