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Checking the condition of the hoses located in the engine compartment.
Overview 1. Hoses conditioner checked and changed only in the service of car-care center.
| 10.2 Removing the scraper brush holder
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2. Under the influence of high temperatures inside the engine compartment occurs gradually hardening and destruction of rubber and plastic hoses, ensuring the operation of various engine units. You should periodically check the condition of hoses, presence on them of cracks and hardening, easing connections Leakage. To verify coolant hoses described in section 9. 3. Part of the hoses are attached with clamps. Check the tightness of collars as fastening easing leads to infringement of tightness. In those places in which collars are not provided, check reliability of the seal hose fittings, loss of elasticity in such compounds as a result of swelling or hardening of hoses is not allowed, otherwise the connection is broken tightness. Vacuum hoses 4. Vacuum hoses can be distinguished by color, or pasted on their colored stripes. For different engine systems using vacuum tubes with different wall thickness, compressive strength and heat resistance to atmospheric pressure. When replacing Make sure that new vacuum hoses in accuracy corresponded to the replaced. 5. Often, the hose can be checked only after removal from the vehicle. If several hoses removed, then put labels on pre-mating fitting and hose to later not to disturb their relative positions. 6. When checking the condition of the vacuum hoses at the same time check and plastic tees. Check for cracks on them, as well as the deformation of the hose in a place fit to the union tee, which may be the cause of leakage.
| 12.1 height (h) and travel (a) of the brake pedal 1. Tappet 2. Switch Brake W, 4 locknut 5. Sex
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7. To check leakage listen through hose section with an inner diameter of about 6 mm, attaching a hose to the scanned spot. The characteristic "sizzle" will indicate a leak. Fuel hoses 8. Check the condition of rubber fuel hoses, presence on them damage. 9. When replacing the fuel line to the fuel injection engines the new highway should be exactly the same used in the fuel system, the engine of this type. 10. When replacing the hose clamps always set screw. Metal tubes 11. Metal tubes are commonly used in the fuel line to connect the fuel pump to the fuel pressure regulator on the comb injector .. Check on tubes twisted plots and small incipient cracks. 12. When replacement should only be seamless steel tubes. The tubes are made of copper or aluminum are unsuitable because they do not withstand vibration loads from the engine. 13. Check the condition of metal pipes and fittings of hydraulic brakes in the joints of the main brake cylinder and a dispenser for cracks and loose connections are not allowed.
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