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Exhaust Manifold Installation - LE5 or LE9

    Caution: Refer to Fastener Caution in the Preface section.


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  1. Install new exhaust manifold studs (1) and tighten to 10 N·m (89 lb in).

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  3. Install the exhaust manifold gasket.
  4. Install the exhaust manifold (1) to the cylinder head.
  5. Install NEW exhaust manifold to cylinder head retaining nuts finger tight.

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  7. Tighten the NEW exhaust manifold to cylinder head retaining nuts in sequence. Tighten the nuts a second time to 15 N·m (11 lb ft).

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  9. Coat the threads of the oxygen sensor (1) with anti-seize. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  10. Install the oxygen sensor and tighten to 42 N·m (31 lb ft).

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  12. Install the block heater (1) and tighten the bolt to 10 N·m (89 lb in).

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  14. Install the exhaust manifold heat shield (1).
  15. Install the exhaust manifold heat shield bolts and tighten to 25 N·m (18 lb ft).
   


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