Chevrolet Nova/ChevyII 1962-1979

Exhaust Manifold

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REMOVAL & INSTALLATION



4 and 6 Cylinder Engines

Follow steps one through three of the cylinder head removal and installation procedure for these engines.

1975 and Later 6 Cylinder Engines With Integral Intake Manifold/Cylinder Head


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Fig. Fig. 1 Exhaust manifold bolt torque sequence-1975-79 6-cylinder engines with the integral intake manifold/cylinder head

  1. Remove the air cleaner.
  2.  
  3. Remove the power steering pump and/or AIR pump brackets, if so equipped.
  4.  
  5. Remove the early fuel evaporation (EFE) valve bracket.
  6.  
  7. Disconnect the throttle control and the throttle return spring.
  8.  
  9. Disconnect the exhaust pipe at the manifold flange.
  10.  
  11. Remove the manifold attaching bolts. Remove the manifold and discard the gasket.
  12.  
  13. Check the manifold for cracks.
  14.  

To install:

  1. Clean the gasket surfaces on the cylinder head and the manifold.
  2.  
  3. Use a new gasket and install the exhaust manifold. Make sure to clean, oil, and torque all exhaust manifold-to-cylinder head bolts and nuts to the proper specifications (see the illustration).
  4.  
  5. Connect the exhaust pipe to the manifold.
  6.  
  7. Connect the throttle control and throttle return spring.
  8.  
  9. Install the air cleaner, start the engine, and check for leaks.
  10.  

V8 Engines

Follow steps one through three of the cylinder head removal and installation procedure for these engines.

 
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