Express 1/2 Ton Van V8-5.7L VIN R (1999)
5. On the 5.7L and the 7.4L with a 135 inch wheel base, loosen the clamp from the front of the muffler.
Remove the retaining nuts and gasket from the exhaust flange.
6. On the 4.3L and the 5.0L with a 155 inch wheel base and the 6.5L diesel, remove the flange nuts from the rear of the convertor assembly.
7. On the 5.7L and the 7.4L with a 155 inch wheel base, loosen the clamp from the front of the muff muffler
Remove the retaining nuts and gasket from the flange.
