Map Controlled Engine Cooling Thermostat F265 , removing and installing

Special tools, testers and auxiliary items required

Fig 1: Drip Tray For VAS 6100, VAS 6208

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Drip tray for workshop crane VAS 6208

Fig 2: Identifying Hose Clip Pliers Vag 1921

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Hose clamp pliers V.A.G 1921

Fig 3: Locking Tool T40098

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Locking Tool T40098

Removing

CAUTION: Observe measures when connecting battery. → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL

Fig 4: Disconnecting Battery Ground (GND) Strap

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With ignition switched off, disconnect Battery Ground (GND) strap - arrow -.

Fig 5: Removing Engine Cover

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Remove engine cover - arrows -.

CAUTION: Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.

Open cap of coolant expansion tank.

Fig 6: Identifying Exhaust Pipe Fasteners

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For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

Fig 7: Identifying Quick-Release Fasteners And Noise Insulation

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Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.
Drain engine coolant → Cooling system, draining and filling

Fig 8: Removing Oil Pressure Sensor Electrical Connector & Lower Coolant Hose On Coolant Pipe

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Remove oil pressure sensor electrical connector - 1 -.
Also remove lower coolant hose on coolant pipe - 2 - and allow remaining coolant to drain.

Fig 9: Pulling EVAP Canister With Connected Lines Upward Out Of Retainer

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Pull EVAP canister with connected lines upward in direction of - arrow - out of retainer and lay it aside.

NOTE:

Before removing ribbed belt, mark the turning direction on it with chalk or a felt tip pen. A reversed turning direction can cause damage to the belt under operating conditions.

Mark direction of rotation of ribbed belt.

Fig 10: Pivoting Belt Tensioner For Ribbed Belt To Relieve Tension On Ribbed Belt

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Pivot belt tensioner for ribbed belt in direction of - arrow - to relieve tension on ribbed belt.
Secure tensioning element using Locking Tool T40098.
Remove ribbed belt.

Fig 11: Removing Ribbed Belt Tensioner With Engine Lifting Eye

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Remove ribbed belt tensioner with engine lifting eye - arrows -.
Remove Generator → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL

Fig 12: Separating Connector For Wiring To Air Conditioning Compressor Clutch Solenoid

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Separate connector - 1 - for wiring to air conditioning compressor clutch solenoid.

CAUTION: The air conditioning refrigerant circuit must not be opened.

Remove air conditioning compressor from bracket - arrows -.

NOTE:

To prevent damage to condenser and also to the refrigerant lines/hoses, ensure that the lines and hoses are not stretched, kinked or bent.

Hang up A/C compressor with attached lines at bottom of vehicle.

Fig 13: Removing Coolant Hose, Pulling Out Retaining Clip

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Remove coolant hose - 2 - , thereby pull out retaining clip - 1 -.

Fig 14: Removing/Installing Accessory Assembly Bracket Bolts

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Remove accessory assembly bracket - bolts - 1 to 6 -.

Fig 15: Disconnect Electrical Connector & Removing Map Controlled Engine Cooling Thermostat F265

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Disconnect electrical connector - 1 -.
Remove Map Controlled Engine Cooling Thermostat F265 - arrows -.

Installing

Installation is in reverse order of removal, note the following:

NOTE:

Replace O-ring.

Clean and/or smooth O-ring sealing surface.
Moisten new O-ring with coolant G12+.
Install accessory assembly bracket → Accessory assembly bracket, removing and installing
Fill with coolant → Cooling system, draining and filling .

Install generator. → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL
Install A/C compressor → 87 AIR CONDITIONING
Install ribbed belt → Ribbed belt, removing and installing
Connect battery. Necessary measures → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL

Component		Nm
Thermostat to engine block		15
Accessory assembly bracket to cylinder block		45 ¹⁾
Ribbed belt tensioner to accessory assembly bracket		23
¹⁾ Insert using locking compound