Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.
- Disconnect the negative battery cable.
- Disconnect the Secondary Air Injection (AIR) pump hose clamp.
- Remove the AIR pipe retaining bolt (1).
- Raise and properly support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Disconnect the Heated Oxygen Sensor electrical connectors.
- Disconnect the Heated Oxygen Sensor (HO2S1) electrical connector (1). Refer to Heated Oxygen Sensor Replacement - Position 1 (FWD) or Heated Oxygen Sensor Replacement - Position 1 (AWD) in Engine Controls - 1.8L (LV6) or Heated Oxygen Sensor Replacement - Position 1 Engine Controls - 1.8L (LNK).
- Disconnect the Heated Oxygen Sensor (HO2S2) electrical connector (2). Refer to Heated Oxygen Sensor Replacement - Position 2 (FWD) or Heated Oxygen Sensor Replacement - Position 2 (AWD) in Engine Controls - 1.8L (LV6) or Heated Oxygen Sensor Replacement - Position 2 Engine Controls - 1.8L (LNK).
- Remove the exhaust pipe hangers (3).
- Remove the following components from the exhaust manifold flange:
- 2 bolts (4)
- The springs (5)
- Remove the exhaust manifold flange gasket.
- Remove 1 bolt from the manifold support bracket to exhaust manifold.
- Remove the upper heat insulator bolts.
- Remove the upper heat insulator.
- On 1.8L LNK engine, remove the 3 exhaust manifold bolts (2) and 2 exhaust manifold nuts (3).
- On 1.8L LV6 engine, remove the exhaust manifold bolts (1-5).
- On all engines, remove the following components:
- The exhaust manifold
- The exhaust manifold gasket
- Remove the lower heat insulator bolts.
- Remove the lower heat insulator.
CAUTION:
Refer to Battery Disconnect Caution in Cautions and Notices.