Express 1/2 Ton Van V6-4.3L VIN W (1999)
5. On the 5.7L and the 7.4L cutaway and RV install the new retaining nuts and gasket to the exhaust flange. Do not tighten the flange.
6. On the 5.7L and 7.4L with a 155 inch wheel base, install the new retaining nuts and gasket to the exhaust flange.
Do not tighten the flange.
Do not tighten the clamp.
7. On the 5.7L and 7.4L with a 135 inch wheel base, install the new retaining nuts and gasket to the exhaust flange.
Do not tighten the flange.
Do not tighten the clamp.
