5.11.9. Replacement of laying of a katkollektor

Between flanges of a head of the block of cylinders and a katkollektor the sealing laying made of two thin formed metal strips connected among themselves by spot welding is established. If laying is untight, there is a break outside of the fulfilled gases which is followed by a characteristic sharp sound. If malfunction does not manage to be eliminated with tightening of fastening of a katkollektor, replace laying.
It will be required to you: keys "on 10", "on 13", a face head "on 13", flat-nose pliers, a ruler, the lamellar probe.
1. Disconnect a wire from the minus plug of the rechargeable battery.
2. Remove a decorative casing of the engine (see. "Removal and installation of a decorative casing of the engine").
3. Disconnect a reception pipe of the additional muffler from a katkollektor for what turn off nuts of fastening of a flange of a reception pipe to a katkollektor flange, disconnect from arms of the muffler of a pillow of a suspension bracket and remove a flange of a reception pipe from katkollektor flange hairpins. Remove the additional muffler (see. "Replacement of the additional muffler").
4. Wring out clamps …
5. … also disconnect from a motor plait of a block of plaits of wires of the managing director and diagnostic sensors of concentration of oxygen.
6. Wring out short moustaches of holders …
7. … also disconnect from a heat-insulating guard of the steering mechanism holders of plaits of wires of the managing director and diagnostic sensors of concentration of oxygen.
8. Turn out a face head "on 13" bolts of fastening of a katkollektor to an arm.
9. A key "on 10" turn off three nuts of fastening of a thermoinsulating guard of the steering mechanism to a motor board (two nuts are located under the steering mechanism) …
10. … also remove a guard.
11. Turn off a key "on 13" two nuts of fastening of an arm of the bringing pipe of the water pump …
12. … also remove an arm.
13. Turn off a key "on 13" eight nuts of fastening of a katkollektor to a head of the block of cylinders …
14. … also remove a katkollektor …
15. … and its laying.
16. Establish new laying and all removed details in the sequence, the return to removal.
17. Check planeness of a surface of a flange of a katkollektor. For this purpose put a ruler an edge on a surface of a flange and measure by the probe a gap between the plane of a flange and a ruler. A surface of a flange or replace with Proshlifuyte a katkollektor if the gap exceeds 0,1 mm.

Useful tips
In order to avoid sticking of laying and for increase in its tightness we recommend to grease before installation laying on both sides a thin layer of graphitic lubricant.
Grease hairpins of fastening of a final collector with graphitic lubricant.