Engine Mechanical - Overhaul - 3.0L V6 (Aj with Variable Valve Timing): Other Mazda 6 GH

ENGINE DISMOUNTING

1. Dismount in the reverse order of mounting.

Scheme 118

1. Disassemble in the order indicated in the figure.

Scheme 119

1. Remove the cylinder head cover bolts in the order indicated in the figure.

Scheme 120

1. Rotate the belt tensioner counterclockwise to release the drive belt tension and remove the belt.

Scheme 121

Scheme 122

1. Replace part A of the SST [303-009 (49 UN30 3009)] with the SST [303-457 (49 UN30 3457)].
2. Remove the water pump pulley using the SSTs .

Scheme 123

1. Remove the oil seal using a screwdriver.

Scheme 124

1. Remove the oil pan bolts and studs in the order indicated in the figure.

Scheme 125

Scheme 126

1. Hold the flywheel (MTX) or the drive plate (ATX) using the SST .
2. Remove the crankshaft pulley lock bolt.
3. Remove the crankshaft pulley using the SST and three (M8x 1.25x45) bolts.

Scheme 127

Scheme 128

1. Remove the engine front cover bolts and studs in the order indicated in the figure.
2. Remove the oil seal using a screwdriver.

Scheme 129

Scheme 130

1. Before removing chain tensioner (RH), turn the crankshaft clockwise to position the crankshaft keyway in the 3 o'clock position, (camshafts (RH) are in the neutral position.)
2. Hold the timing chain tensioner ratchet lock mechanism away from the ratchet stem with a thin screwdriver.
3. Slowly press the tensioner piston.
4. Hold the tensioner piston with a 1.5 mm (0.06 in) wire or paper clip.