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Secondary Air Injection Check Valve Replacement

Fig 1: Secondary Air Injection Check Valve Pipe
GM2093984Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
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:  10 N.m (89 lb in).

2 Secondary Air Injection Check Valve Nut (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten:  25 N.m (18 lb ft).

3 Secondary Air Injection Check Valve
Procedure: 
Disconnect the electrical connector.
4 Secondary Air Injection Check Valve Gasket