Cowl Drain Valve Replacement for Buick Park Avenue 2003

1. Remove the wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
2. Remove the push-in retainer from the drain valve.
3. Remove the 2 grommets retaining the drain valve.
4. Remove the drain valve.

1. In order to ease installation, apply mild soap to the grommets.

Important: Ensure that the grommets are fully seated.

2. Press the drain valve to the cowl.
3. Install the push-in retainer.
4. Install the wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .