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.
Disassembled Views
2011 Chevrolet HHR L4-2.2LSECTION Disassembled Views
Disassembled Views
Exhaust Manifold and Components
1 - Exhaust Manifold Heat Shield Stud
2 - Exhaust Manifold Heat Shield
3 - Secondary Air Injection Assembly Nut
4 - Secondary Air Injection Assembly
5 - Secondary Air Injection Check Stud
6 - Secondary Air Injection Bolt
7 - Secondary Air Injection Pipe Assembly
8 - Secondary Air Injection Stud
9 - Secondary Air Injection Check Valve Gasket
10 - Secondary Air Injection Bolt
11 - Exhaust Manifold Stud
12 - Exhaust Manifold Gasket
13 - Exhaust Manifold
14 - Oxygen Sensor
15 - Exhaust Manifold Nut
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.