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Tighten: Tighten the bolts to 10 N.m (89 lb in). 36. Reposition the exhaust manifold to cylinder head and install the exhaust manifold bolts to the cylinder head. Refer to Exhaust Manifold Replacement . 37. If equipped, install a NEW AIR injection gasket, then the cover and pipe studs to the cylinder head. Tighten: Tighten the pipe studs to 25 N.m (18 lb ft). 38. Install the exhaust manifold heat shield to the exhaust manifold. 39. Apply anti-seize GM P/N 12371386 (Canadian P/N 89021945) to the exhaust manifold heat shield nuts. 40. Install the exhaust manifold heat shield nuts. Tighten: Tighten the nuts to 10 N.m (89 lb in). 41. Install the intake manifold to the cylinder head. Refer to Intake Manifold Replacement. 42. Reposition the engine wiring harness bracket to the engine and harnesses. Install the engine wiring harness bracket bolts. Tighten: Tighten the bracket bolts to 10 N.m (89 lb in). 43. Install the left front wheelhouse panel and the left wheel and tire. Refer to Wheelhouse Panel Replacement (Front) or Wheelhouse Panel Replacement (Rear) . 44. Drain the engine oil again. 45. If removed, install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LLR) . 46. Install the oil pan skid plate and the engine shield. Refer to Oil Pan Skid Plate Replacement . 47. Install the engine shield. 48. Lower the vehicle. 49. Install the cross-vehicle wiring harness connectors to the following components: PCM Map sensor Ignition coils Harness clamps at power steering pump Wiring harness fastener at right front inner fender
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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