GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Regal 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Exhaust Manifold Removal - Right Side

Exhaust Manifold Removal - Right Side Without A.I.R.


    Object Number: 395585 Size: SH
  1. Remove the fuel injector sight shield mounting bracket nuts.
  2. Remove the fuel injector sight shield mounting bracket.

    3. Object Number: 154526 Size: SH
  3. Remove the right engine lift hook nut and bolt.
  4. Remove the right engine lift hook bracket.
  5. Remove the right side spark plugs.

    6. Object Number: 683924 Size: SH
  6. Remove the exhaust manifold studs.
  7. Remove the exhaust manifold.
  8. Remove the exhaust manifold gasket.

    9. Object Number: 683928 Size: SH
  9. Remove the exhaust manifold studs.

Exhaust Manifold Removal - Right Side With A.I.R.


    Object Number: 1403429 Size: SH
  1. Loosen the hose clamp and remove the secondary air injection pipe (640) from the valve.

    2. Object Number: 1403432 Size: SH
  2. Remove nuts (641), gasket (645) and bolts (637, 649) from the secondary air injection assembly and remove from the engine.
  3. If necessary, remove bolts (646), gasket (647), pipe (644) and separate from bracket (648) and injection pump (636).

    4. Object Number: 395585 Size: SH
  4. Remove the fuel injector sight shield mounting bracket nuts.
  5. Remove the fuel injector sight shield mounting bracket.

    6. Object Number: 154526 Size: SH
  6. Remove the right engine lift hook nut and bolt.
  7. Remove the right engine lift hook bracket.
  8. Remove the right side spark plugs.

    9. Object Number: 683924 Size: SH
  9. Remove the exhaust manifold studs.
  10. Remove the exhaust manifold.
  11. Remove the exhaust manifold gasket.

    12. Object Number: 683928 Size: SH
  12. Remove the exhaust manifold studs.