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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 323 (1985 release)

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Mazda 323
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Mazda
323
Introduction
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The principle of operation of a catalytic converter (catalyst)
How to use the vehicles with catalyst
Removing and installing exhaust system
Check / removal and installation of the lambda probe
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Removing and installing exhaust system



Cars up to 9/89 MY.

1 - a reception pipe of the muffler
2 - Front and Middle Silencer
3 - rear silencer
4 - Rear tube model "Sedan"
5 - rear tube model "Compact"
6 - differences: diesel model

7 - a lining to (replace)
8 - differences: a catalyst
9 - Catalyst
10 - Rubber mounting lubricate (high temperature grease)

Cars since 10/89 vol. (option with a catalyst), front-wheel drive

1 - a reception pipe of the muffler
2 - catalyst
3 - Middle Silencer
4 - rear silencer
5 - differences: diesel engine

6 - a lining to (replace)
7 - exhaust manifold
8 - the heat shield
9 - rubber mount
10 - Lambda probe

Lubricate (high temperature grease)

Removing the system will be described in the kit. However, each part of the exhaust system can be replaced individually. Be sure to replace the rubber buffers, gaskets and nuts.

Withdrawal

PERFORMANCE ORDER

  1. Raise the vehicle.
  2. Cover all the nuts and bolts of the exhaust system, as well as the joints corrosive rust agent. Wait a while until the vehicle will work.
  3. Loosen the flange bolts on the rear silencer and push back.
  4. Detach the rear muffler from the rubber mount and remove.
  5. Unscrew the average tailpipe, disconnect and remove the rubber support.

Do not expose the catalyst shocks during removal and installation, as it can be because of the corrupt. Do not drop or strike a hammer.

  1. Unscrew the front exhaust pipe from the exhaust manifold.

Setting

To facilitate the loosening of bolts and nuts of the exhaust system in the future it is recommended to cover their high-temperature paste, such as Liqui Moly LM -508- ASC.


PERFORMANCE ORDER

  1. If you install second-hand pipe exhaust system before connecting the ends of the pipes should be cleaned from the remnants of varnish with sandpaper.

Especially must be sealed exhaust system for models with catalyst. Therefore, all seals must be replaced, otherwise there will be flaws in the dynamic characteristics.

  1. Install the front exhaust pipe to the exhaust manifold and evenly tighten the new nuts, do not tighten yet final.
  2. Unscrew exhaust pipes and mufflers.
  3. Before tightening the screws align the pipes and silencers, and attach to the rubber mounts. And in such a sufficient distance from the bottom (at least 25 mm).
  4. Tighten the front mounting flanges back to the specified torque.

Do not tighten the screws too much, otherwise the pads are flattened, resulting in leaks.

  1. Lower the vehicle.




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Check / removal and installation of the lambda probe

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