Hummer H3. Manual — part 195

sleeve or the cylinder bore block when installing a new
cylinder bore sleeve, or engine damage will occur. These items
will not aid in the installation of the new cylinder bore sleeve.

NOTE:

Do not chill or heat the cylinder bore sleeve or the cylinder
block when removing or installing a new cylinder bore sleeve.
Chilling or heating the cylinder bore sleeve or the cylinder
block will cause engine damage and will not aid the removal or
installation of the new cylinder bore sleeve.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 408: View Of Cylinder Bore Sleeve Fixture
Courtesy of GENERAL MOTORS CORP.

1. Place the NEW cylinder bore sleeve (117) onto the cylinder block.

2. Install fixture EN 45680-401/cylinder bore sleeve installer EN 45680-403 assembly (1)

which is part of EN-45680-400 , over the cylinder bore sleeve (117) and onto the cylinder
block. See Special Tools. Do not apply downward pressure to the cylinder bore sleeve
(117).

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 409: Installing Cylinder Bore Sleeve Puller Attachment Bolts
Courtesy of GENERAL MOTORS CORP.

3. Insert the 4 attachment bolts into the legs of the fixture EN 45680-401 (1).

4. Tighten the 4 attachment bolts. Do not apply downward pressure to the cylinder bore sleeve

IMPORTANT: Use 4 old cylinder head bolts for the attaching bolts.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

(117).

Tighten: Tighten the 4 attachment bolts to 15 N.m (11 lb ft).

Fig. 410: View Of Proper Liner Alignment
Courtesy of GENERAL MOTORS CORP.

5. Align the bottom of the cylinder bore sleeve (117) with the cylinder bore of the block

(100).

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3