GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2028210  Size: SH
  1. Clean the exhaust manifold in solvent.
  2. Warning: Wear safety glasses in order to avoid eye damage.

  3. Dry the exhaust manifold with compressed air.
  4. An exhaust manifold leak or damage may cause an exhaust leak and may effect OBD II system performance. Exhaust manifolds. A damaged exhaust must be replaced.