GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Odor Correction

Odor Correction Musty Smell

Problem

Action

    • Water leaks
    • Clogged evaporator drain
    • Mold/mildew
    • Seal the body.
    • Clean the drain.
    • Clean the evaporator.

Odor Correction Coolant Smell

Problem

Action

Anti-freeze leak
    • Repair the heater core.
    • Repair leaking pipes or hoses.