Nissan Z - ZX 1970-1988 Repair Guide

Front Exhaust Tube

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REMOVAL & INSTALLATION



See Figure 1

  1. Remove the heat shield(s) surrounding the front exhaust tube-to-manifold and/or front exhaust tube-to-catalytic converter/pre-muffler.
  2.  
  3. Remove the front exhaust tube-to-manifold nuts.
  4.  

To remove the exhaust tube-to-manifold nuts, if may be necessary to run a die over the stud threads (to remove the rust) and soak the studs/nuts with a rust penetrating substance (to dissolve the rust).


WARNING
If the studs break off, when removing the nuts, it will be necessary to drill out the studs, tap a new hole and replace the studs or drill out the studs, then insert a bolt and nut.

  1. Remove the front exhaust tube-to-converter/pre-muffler bolts, then remove the front exhaust tube.
  2.  
  3. Using a putty knife, clean the mounting surfaces.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Connecting the exhaust sections

  1. To install, use a new front exhaust tube, gasket(s), bolts, nuts and reverse the removal procedures.
  2.  

 
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