
Mercedes-Benz G-class (W463) since 1999 of release
	1. Introduction
	2. Governing bodies and operation receptions
	3. Current leaving and service
	4. Engine
	5. Systems of cooling, heating, ventilation and air conditioning
		5.1. System of cooling of the engine
			5.1.1. Antifreeze - means of protection from freezing
			5.1.2. Replacement of cooling liquid - general comments
			5.1.3. Check of a cover of system of cooling, replacement of hoses of system of cooling
			5.1.4. Thermostat check
			5.1.5. Removal and thermostat installation
			5.1.6. Removal and installation of a radiator of system of cooling
			5.1.7. Removal and installation of a broad tank
			5.1.8. Removal and installation of assembly of the fan of system of cooling
			5.1.9. Removal and installation of the water pump
			5.1.10. Removal and installation of a low-temperature cooler (М612)
			5.1.11. Removal and installation of a heater of the block of the engine (at the corresponding complete set)
			5.1.12. Removal and installation of an additional heater of STH (at the corresponding complete set)
			5.1.13. Removal and installation of the circulating pump of an additional heater of STH (at the corresponding complete set)
		5.2. Systems of ventilation, heating and air conditioning
	6. A power supply system and production of the fulfilled gases
	7. Systems of electric equipment of the engine
	8. Automatic transmission
	9. Transmission line
	10. Brake and auxiliary systems
	11. Suspension bracket and steering
	12. Body
	13. Onboard electric equipment
	14. Schemes of electric connections

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5.1.13. Removal and installation of the circulating pump of an additional heater of STH (at the corresponding complete set)

Details of installation of the circulating pump (models 463.250/323, H12 code)


3 — the Returnable hose okhladitelny the treatise (heater) 4 — the Inlet hose of an okhladitelny path 5 — a heater Cover 8 — I Will corrode electroconductings of the circulating pump	13 — the Fixing collar 17 — the Bolt А6 — the Additional heater of STH A6m1 — the Circulating pump

PERFORMANCE ORDER

Having opened a cover of a broad tank, dump pressure in cooling system.
Remove assembly of an additional heater of STH (see. The section Removal and installation of an additional heater of STH (at the corresponding complete set)).
Disunite the electroconducting socket (8) the circulating pump, - the socket has the asymmetric form guaranteeing unambiguity of its joining.
Turn out a fixing bolt (17), remove a collar (13) and dismantle assembly of the circulating pump (A6m1), having disconnected it from a submitting hose (4).
Installation is made upside-down.
In summary remove air from a path of system of cooling and check the corresponding components on existence of signs of development of leaks, then make sure of serviceability of functioning of an additional heater of STH (see. The section Removal and installation of an additional heater of STH (at the corresponding complete set)).