Timing Chain Removal/Installation - 2.3L: Removal

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.

CAUTION:

The crankshaft, the crankshaft sprocket and the pulley are fitted together by friction, with diamond washers between the flange faces on each part. For that reason, the crankshaft sprocket is also unfastened if you loosen the pulley. Therefore the engine must be retimed each time the damper is removed. Otherwise severe damage can occur.

Remove the engine front cover. See ENGINE FRONT COVER REMOVAL/INSTALLATION - 2.3L .
Remove the timing chain tensioner.
1. Compress the timing chain tensioner, and insert a paper clip into the hole.
2. Remove the bolts and timing chain tensioner.
  
  Fig 1: Removing Timing Chain Tensioner
  Courtesy of MAZDA MOTORS CORP.
Remove the right-hand timing chain guide.

Fig 2: Removing Right-Hand Timing Chain Guide
Courtesy of MAZDA MOTORS CORP.
Remove the timing chain.

Fig 3: Removing Timing Chain
Courtesy of MAZDA MOTORS CORP.
Remove the bolts and the left-hand timing chain guide.

Fig 4: Removing Left-Hand Timing Chain Guide
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Do not rely on the Camshaft Alignment Plate to prevent camshaft rotation. Damage to the tool or the camshaft can occur. If necessary, remove the bolts and the camshaft sprockets.
Use the flats on the camshaft to prevent camshaft rotation.

Fig 5: Preventing Camshaft Rotation Using Flats On Camshaft

Courtesy of MAZDA MOTORS CORP.