GM Service Manual Online
For 1990-2009 cars only

Exhaust System Clearances Pontiac/Buick

W Car (Buick/Pontiac)

Application

Millimeters

Inches

Converter Clearance to Ground

120.0

4.74

Exhaust System to the Body and Heat Shields in an Unloaded Vehicle

25.0

1

Exhaust System to the Ground at the Gross Vehicle Weight

120.0

4.74

Exhaust System to the Power Steering Heat Shield

25.0

1

Tailpipe to Rear Fascia Clearance

25.0

1

Exhaust System Clearances Chevrolet/Oldsmobile

W Car (Chevy/Olds)

Application

Millimeters

Inches

Exhaust System to the Body and Heat Shields in an Unloaded Vehicle

25.0

1

Exhaust System to the Ground at the Gross Vehicle Weight

120.0

4.73

Exhaust System to the Power Steering Heat Shield

25.0

1