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Fig. 36: View Of Exhaust Manifold Heat Shield 1. Install the exhaust manifold heat shield to the exhaust manifold. 2. Apply anti-seize GM P/N 12371386 (Canadian P/N 993128) to the exhaust manifold heat shield nuts. 3. Install the exhaust manifold heat shield nuts. Tighten: Tighten the nuts to 10 N.m (89 lb in). 4. Install the HO2S to the exhaust manifold. Refer to Heated Oxygen Sensor 1 Replacement . NOTE: Refer to Fastener Notice .
2007 Hummer H3 2007 ENGINE Engine Exhaust - H3
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