Disassembly Note

WARNING: This page is about a different car, the 2005 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

Remove the rear lifting eye and the front bracket.

Fig 1: Removing Rear Lifting Eye And Front Bracket
Courtesy of MAZDA MOTORS CORP.
Remove the cylinder head temperature (CHT) sensor.
Remove the coolant outlet pipe.
1. Remove the clip.
2. Remove the bolts.
  
  Fig 2: Removing Clip And Coolant Outlet Pipe
  Courtesy of MAZDA MOTORS CORP.
Remove the exhaust gas recirculation (EGR) valve.

Fig 3: Removing Exhaust Gas Recirculation (EGR) Valve
Courtesy of MAZDA MOTORS CORP.
Remove the spark plugs.
CAUTION:
- Note location of the tappets prior to removal.
Fig 4: Removing Spark Plugs
Courtesy of MAZDA MOTORS CORP.
Remove the 16 tappets.

Fig 5: Removing Tappets
Courtesy of MAZDA MOTORS CORP.
Using the special tools or equivalent, compress the valve spring and remove the valve spring retainer keys, the valve spring retainers, and the valve springs.

Fig 6: Compressing Valve Spring
Courtesy of MAZDA MOTORS CORP.
Inspect the valve spring, valve spring retainer and valve spring retainer key. Install new parts as necessary.
CAUTION:
- Note location of the valves if they are to be reused.
NOTE:
- Mark each valve if the original valves are to be used.
Remove the valves.

Fig 7: Removing Valve
Courtesy of MAZDA MOTORS CORP.
Using the special tools, remove and discard the valve stem seals.

Fig 8: Removing Valve Stem Seals
Courtesy of MAZDA MOTORS CORP.
Inspect the valves. Install new parts as necessary.