Removal
You carry out removal of a final collector on the cold engine in the following order:
– switch off ignition and disconnect a wire of "weight" from the rechargeable battery;
– tighten the parking brake and establish an emphasis under back wheels;
– lift a forward part of the car and establish on support;
– remove an antisplash guard of a motor compartment;
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Fig. 3.77. Fastening of a reception exhaust pipe to a final collector: 1 – bolts; 2 – bolts of fastening of the lower part of a final collector; 3 – oxygen sensors
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– apply on bolts of 1,2
(fig. 3.77)
and a spring of fastening of a reception exhaust pipe to a final collector the means facilitating them an otvorachivaniye. After impregnation of bolts, turn out them and separate a reception exhaust pipe from a collector, at the same time be careful not to damage oxygen 3 sensors;
– turn out bolts of fastening of the lower braces of a final collector;
– disconnect electric sockets from oxygen sensors;
– from a motor compartment remove the top thermofilter of a final collector. There is also lower thermofilter which is attached from below a final collector, and it is not required to be removed;
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Fig. 3.78. Arrangement of nuts of fastening of a final collector
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– turn out nuts
(fig. 3.78)
and bolts and, having pulled from a head of the block of cylinders, remove a final collector with laying.
Installation
You make installation in the following order:
– remove with a scraper the remains of old laying and deposits of soot from privalochny surfaces of a final collector and a head of the block of cylinders;
– if the new final collector is established, it is necessary to rearrange from an old collector on the new lower thermofilter;
– establish new laying of a final collector on a head of the block of cylinders according to the inscriptions and signs which are available on it;
– establish a final collector and fix it by nuts. Tighten nuts in several passes, since the center and further on a spiral.
You carry out further installation to the sequences, the return to removal.
Launch the engine and check for lack of leak of the fulfilled gases.