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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (ENGINE CONTROLS AND FUEL - 2.4L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSSECONDARY AIR INJECTION CHECK VALVE PIPE REPLACEMENT
2013 Buick Regal Turbo Premium, Standard Trans
Secondary Air Injection Check Valve Pipe Replacement
2013 Buick Regal Turbo Premium, Standard TransSECTION Secondary Air Injection Check Valve Pipe Replacement
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| Preliminary Procedure:Β Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAF) |
|
| 1 | Secondary Air Injection Check Valve Bolt (Qty: 2)
CAUTION:
Refer to Fastener Caution
.
Tighten:Β 10 N.m (89 lb in). |
| 2 | Secondary Air Injection Check Valve Nut (Qty: 2)
CAUTION:
Refer to Fastener Caution
.
Tighten:Β 25 N.m (18 lb ft). |
| 3 | Secondary Air Injection Check Valve Procedure:Β Disconnect the electrical connector. |
| 4 | Secondary Air Injection Check Valve Gasket |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.