Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX V6-3.8LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAULREPAIR INSTRUCTIONS87. EXHAUST GAS RECIRCULATION VALVE AND PIPE INSTALLATION
2008 Pontiac Grand Prix V6-3.8L
87. Exhaust Gas Recirculation Valve and Pipe Installation
2008 Pontiac Grand Prix V6-3.8LSECTION 87. Exhaust Gas Recirculation Valve and Pipe Installation
Exhaust Gas Recirculation Valve and Pipe Installation
Important: Inspect the exhaust gas recirculation (EGR) inlet/outlet pipes for leaks before installation. If cracks, deformations or any visible signs of leaking are present, replace the appropriate part.
1. Install the EGR inlet pipe into the RH exhaust manifold as the EGR valve adapter assembly is installed onto the cylinder head.
Notice: Refer to Fastener Notice .
2. Install the EGR valve adapter assembly to cylinder head bolts and the EGR inlet pipe to RH exhaust manifold bolt.
* Tighten the EGR valve adapter assembly to cylinder head bolts to 50 N.m (37 lb ft).
* Tighten the EGR inlet pipe to RH exhaust manifold bolt to 29 N.m (21 lb ft).
3. Install the EGR valve outlet pipe to the lower intake and the EGR valve adapter assembly.
4. Install the EGR valve outlet pipe bolt and nut.
Tighten the EGR valve outlet pipe bolt and nut to 29 N.m (21 lb ft).
5. Install the EGR valve gasket and EGR valve.
6. Install the EGR valve nuts.
Tighten the EGR valve nuts to 29 N.m (21 lb ft).
7. Install the exhaust manifold heat shield.
8. Install the exhaust manifold heat shield bolts.
Tighten the exhaust manifold heat shield bolts to 10 N.m (89 lb in).
9. Install the heated oxygen sensor.
Tighten the heated oxygen sensor to 42 N.m (31 lb ft).
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.