- Apply a very light film
of clean engine oil to the purge solenoid seal.
- Install the purge solenoid.
- Apply thread sealer GM P/N 12345493, (Canadian P/N 10953488),
or equivalent to the threads of the purge solenoid bolt.
Notice: Refer to Fastener Notice in the Preface section.
- Install the purge solenoid bolt.
Tighten
Tighten the purge solenoid bolt to 8 N·m (71 lb in).
- Install the purge solenoid vacuum hose.
- Install the EGR adapter
gasket.
- Install the EGR adapter.
- Install the EGR adapter nuts.
Tighten
Tighten the EGR adapter nuts to 22 N·m (16 lb ft).
- Install the EGR valve
gasket.
- Install the EGR valve.
- Install the EGR valve nuts.
Tighten
Tighten the EGR valve nuts to 22 N·m (16 lb ft).
Important: Lubricate the port of the MAP sensor with clean engine oil. Avoid dipping
the sensor port directly into the lubricant or using a solid type of lubricant,
as they may block the vacuum port signal.
- Install the MAP sensor.
- Install the MAP sensor bolt.
Tighten
Tighten the MAP sensor bolt to 12 N·m (106 lb in).
- Lubricate the O-ring seal of the oil fill tube with clean engine
oil.
- Install the oil fill tube.
- Install the oil fill tube bolt.
Tighten
Tighten the oil fill tube bolt to 12 N·m (106 lb in).
- Install the throttle body
gasket.
- Install the throttle body.
- Install the throttle body nut.
Tighten
Tighten the throttle body nuts to 10 N·m (89 lb in).