Hummer H3. Manual — part 1166

2007 Hummer H3

2007 ENGINE Engine Exhaust - H3

Fig. 26: View Of Exhaust Hanger And Exhaust Muffler Hanger Rod
Courtesy of GENERAL MOTORS CORP.

8. Apply a soapy solution to the exhaust muffler hanger rod (3) in order to ease the removal of

the exhaust hanger (2).

9. Pry the exhaust hanger (2) free from the exhaust muffler hanger rod (3).

10. Complete the following in order to remove the muffler from the vehicle:

1. Slide the muffler rearward from the catalytic converter.

2. Rotate the muffler 90 degrees counterclockwise from the rear.

3. Carefully remove the muffler rearward from the vehicle.

Installation Procedure

1. Complete the following in order to install the muffler to the vehicle:

1. With the muffler turned 90 degrees counterclockwise from the rear, carefully insert the

muffler over the rear axle until the flange is near the catalytic converter.

2. Rotate the muffler clockwise 90 degrees to the installed position.

3. Slide the muffler forward into position, aligning the studs with the rear of the catalytic

converter.

IMPORTANT: Do not use oil base lubricants.

2007 Hummer H3

2007 ENGINE Engine Exhaust - H3

2007 Hummer H3

2007 ENGINE Engine Exhaust - H3

Fig. 27: View Of Exhaust Hanger And Exhaust Muffler Hanger Rod
Courtesy of GENERAL MOTORS CORP.

2. Apply a soapy solution to the following in order to ease the installation of the hanger (2):

The inner diameter of the exhaust muffler hanger (2)

The exhaust muffler hanger rod (3)

3. Press the exhaust muffler hanger (3) over the exhaust pipe hanger rod (1).

IMPORTANT: Do not use oil base lubricants.

2007 Hummer H3

2007 ENGINE Engine Exhaust - H3