Subaru 2009 IMPREZA Service Manual page 268

Hide thumbs Also See for 2009 IMPREZA:

6) Remove the belt idler (A).

7) Remove the belt idler No. 2 (B).

8) Remove the timing belt.

2. BELT IDLER AND AUTOMATIC BELT

TENSION ADJUSTER ASSEMBLY

1) Remove the belt idler.

2) Remove the automatic belt tension adjuster as-

B: INSTALLATION

1. AUTOMATIC BELT TENSION ADJUSTER

ASSEMBLY AND BELT IDLER

1) Prepare for installation of the automatic belt ten-

sion adjuster assembly.

• Always use a vertical type pressing tool to

move the adjuster rod down.

• Do not use a lateral type vise.

• Push the adjuster rod vertically.

• Press-in the push adjuster rod gradually tak-

ing three minutes or more.

• Do not allow press pressure to exceed 9,807 N

(1,000 kgf, 2,205 lb).

• Push in the adjuster rod to the end face of the

cylinder. However, do not push in the adjuster

rod below the end face of the cylinder. Doing so

may damage the cylinder.

• Do not release the press pressure until stop-

per pin is completely inserted.

(1) Attach the automatic belt tension adjuster

assembly to vertical pressing tool.

(2) Slowly push in the adjuster rod with a pres-

sure of 165 N (16.8 kgf, 37.1 lb) or more until

the adjuster rod is aligned with the stopper pin

hole in the cylinder.

(3) With a 2 mm (0.08 in) dia. stopper pin or a

2 mm (0.08 in) (nominal) dia. hex wrench in-

serted into the stopper pin hole in cylinder, se-

cure the adjuster rod.