1985 Mazda GLC Catalytic Converter, Exhaust Manifold, Muffler, Exhaust Pipe

Catalytic Converter, Exhaust Manifold, Muffler Installation and Repair Tips for 1985 Mazda GLC

• Q:

  How to remove and install the Catalytic Converter-Exhaust System Mounted on 1985 Mazda GLC?

  A:

  The nuts, washers or springs on the manifold and converter studs and on the secondary air line are unfastened to remove exhaust parts; the converter fastenings are freed and the pipes/gaskets separated and GLC heat shields unbolted, flanges cleaned. The rubber donuts and ring seals are removed from 626/MX-6 assemblies where supported by those items. Reassembly follows with new gaskets and seals.
• Q:

  How is the turbocharger and exhaust manifold removed as a unit in piston engine on 1985 Mazda GLC?

  A:

  In turbocharged engines the turbocharger is deleted together with the exhaust manifold. In carbureted engines, remove the assembly of the hot air duct and secondary air pipe. Disassemble the insulator, exhaust pipe and the manifold. Test against distortion and replace the gaskets, tightening the nuts in steps. Redefine connections where necessary.
• Q:

  How is the muffler assembly removed and replaced on 1985 Mazda GLC?

  A:

  The muffler assembly is attached front by a flange and rear by a clamped pipe. Raise on jackstands, unbolt rear clamp and front flange nuts; support, slide out bolts; remove hangers and pull pipe free; transfer heat shield and replace flange gasket. Replace worn hangers and ensure clearance before tightening.