Timing Chain Component (LH) Installation Note

Verify that the crankshaft keyway is at 11 o'clock position.
Position the mark on the intake camshaft to 9 o'clock position.

Fig 1: Verifying Crankshaft Keyway Is At 11 O'Clock Position
Courtesy of MAZDA MOTORS CORP.
Position the mark on the exhaust camshaft to 12 o'clock position.
NOTE:
- Install the timing chain by aligning the colored links on the timing chain with the marks on the timing sprockets.
  
  Fig 2: Positioning Mark On Exhaust Camshaft To 12 O'Clock
  Courtesy of MAZDA MOTORS CORP.
Install the timing chain (LH) in the following order.
1. Timing chain crankshaft sprocket
2. Chain guide
3. Timing chain
4. Tensioner arm
CAUTION:
- Install the camshaft journal thrust caps last, or damage to the thrust caps may occur.
  
  Fig 3: Installing Timing Chain (LH)
  Courtesy of MAZDA MOTORS CORP.
Tighten the bearing caps evenly in the order shown in several passes.
NOTE:
- After adjusting the camshaft end play using the thrust caps 1L and 5L, tighten the other bearing caps.
  
  Fig 4: Bearing Caps Tightening Sequence
  Courtesy of MAZDA MOTORS CORP.