GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Riviera 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Exhaust Manifold Removal

Exhaust Manifold Removal Left Side


    Object Number: 154527 Size: SH
  1. Remove the left engine lift hook nut and bolt.
  2. Remove the left engine lift hook.

    3. Object Number: 54683 Size: SH
  3. Remove the exhaust manifold bolt and studs.
  4. Remove the exhaust manifold.
  5. Remove the exhaust manifold gasket.

Exhaust Manifold Removal Right Side


    Object Number: 36667 Size: SH
  1. Remove the EGR inlet pipe from the exhaust manifold.
  2. Remove the EGR mounting bracket bolts.
  3. Remove the EGR mounting bracket.

    4. Object Number: 35834 Size: SH
  4. Remove the heated oxygen sensor lead.

    5. Object Number: 154525 Size: SH
  5. Remove the fuel injector sight shield mounting bracket nuts.
  6. Remove the fuel injector sight shield mounting bracket.

    7. Object Number: 154526 Size: SH
  7. Remove the right engine lift hook nut and bolt.
  8. Remove the right engine lift hook.

    9. Object Number: 36682 Size: SH
  9. Remove the exhaust manifold studs.
  10. Remove the exhaust manifold.
  11. Remove the exhaust manifold gasket.