GM Service Manual Online
For 1990-2009 cars only

Object Number: 2093984  Size: MF

Callout

Component Name

Preliminary Procedure

Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement

1

Secondary Air Injection Check Valve Bolt (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
10 N·m(89 lb in).

2

Secondary Air Injection Check Valve Nut (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

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