OnStar
Keys and LocksSecondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust
emissions during a cold start. This occurs when the start-up engine coolant temperature
(ECT) is between −10 to +56°C (14?E33°F), the intake air temperature (IAT) is greater
than −10°C (14°F) and it ...
Exhaust Manifold Installation
Clean the exhaust manifold sealing surface.
Install a NEW exhaust manifold gasket (1) to the cylinder head.
Caution: Refer to Fastener Caution.
Caution: Refer to Torque-to-Yield Fastener Caution.
Install the exhaust manifold (3) and tighten the NEW nu ...
Intake Manifold Disassemble (1.8L LUW and LWE)
Remove the intake manifold absolute pressure sensor bolt (1).
Remove the manifold absolute pressure sensor (2) from the intake manifold (3).
Remove the intake manifold mount (2) from the intake manifold (1).
Remove the throttle body seal& ...