Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to FASTENER NOTICE .

Install the lower heat insulator to the exhaust manifold.
1. Tighten
2. Tighten the lower heat insulator bolts to 18 N.m (13 lb ft).
  
  Fig 1: Installing Exhaust Manifold Bolts (1-5
  Courtesy of GENERAL MOTORS CORP.
Install the following components:
- The exhaust manifold gasket
- The exhaust manifold
On 1.8L LV6 engines, install the exhaust manifold bolts (1-5).
1. Tighten
2. Tighten the exhaust manifold to nuts and bolts to 50 N.m (37 lb ft).
On 1.8L LNK engines, install the 3 exhaust manifold bolts (1-3) and 2 exhaust manifold nuts (4-5).
1. Tighten
2. Tighten the exhaust manifold to nuts and bolts to 50 N.m (37 lb ft).
  
  Fig 2: Installing 3 Exhaust Manifold Bolts (1-3) And 2 Exhaust Manifold Nuts (4-5)
  Courtesy of GENERAL MOTORS CORP.
Install the upper heat insulator.
Install the upper heat insulator bolts.
1. Tighten
2. Tighten the upper heat insulator bolts to 37 N.m (27 lb ft).
Install 1 bolt to the manifold support bracket to exhaust manifold.
1. Tighten
2. Tighten the manifold support bracket bolt 50 N.m (37 lb ft).
  
  Fig 3: Installing 1 Bolt To Manifold Support Bracket To Exhaust Manifold
  Courtesy of GENERAL MOTORS CORP.
Fig 4: Installing Exhaust Manifold Components
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold flange gasket.
Install the following components to the exhaust manifold flange:
- The springs (5)
- 2 bolts (4)
1. Tighten
2. Tighten the exhaust pipe bolts to 43 N.m (32 lb ft).
Install the exhaust pipe hangers (3).
Connect the Heated Oxygen Sensor electrical connectors.
- Connect the Heated Oxygen Sensor (HO2S2) electrical connector (2). Refer to HEATED OXYGEN SENSOR 2 or HEATED OXYGEN SENSOR 2 in Engine Controls - 1.8L (LV6) or HEATED OXYGEN SENSOR 2 Engine Controls - 1.8L (LNK).
- Connect the Heated Oxygen Sensor (HO2S1) electrical connector (1). Refer to HEATED OXYGEN SENSOR 1 or HEATED OXYGEN SENSOR 1 in Engine Controls - 1.8L (LV6) or HEATED OXYGEN SENSOR 1 Engine Controls - 1.8L (LNK).
Lower the vehicle.
CAUTION: Refer to BATTERY DISCONNECT CAUTION .
Connect the negative battery cable.