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Cooling System - Draining, Charging & Bleeding: Other Volvo V70 II

Cooling System (Mechanical) 22 illustrations ~528 words

Safety Information Cooling System

See information about safety information cooling system Safety information cooling system

Scheme 265

Scheme 265: Engine Undercover And Clip

Scheme 266

Scheme 266: Coolant Expansion Tank
WARNINGWhen releasing the cooling system pressure, cover the coolant expansion tank cap with a thick cloth.
WARNINGBe prepared to collect escaping fluid.

Refrigerant

Fill the system with the specified quantity of refrigerant.

Scheme 267

Scheme 267: Coolant Reservoir And Cap (Cover)

9512955 9512957

EGR Mixer/Gasket, Replacing

Special tools

9512957

9512953

Note. The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Scheme 268

Scheme 268: Draining Coolant

Remove the cap from the expansion tank.

Raise the vehicle.

Remove the lower engine guard.

Scheme 269

Scheme 269: Draining Coolant, Continued

Fit a hose onto the drain cock. Open the cock and drain the coolant into a clean receptacle.

Install the lower engine cover.

Lower the vehicle.

Scheme 270

Scheme 270: Remove The Upper Engine Cover

Pull the front edge straight up and then pull forward.

Scheme 271

Scheme 271: Remove The Air Cleaner (ACL)

Remove the intake hose between the front plate and the air cleaner.

Scheme 272

Scheme 272

Remove the cover from over the control module and pull straight up.

Scheme 273

Scheme 273

Note. Do not touch the control module terminal pins with your fingers. Static electricity may damage components in the control module.

Unplug the connector from the Engine Control Module (ECM).

Press in the catch and move the lock brace up.

Scheme 274

Scheme 274

Unplug the connector from the mass air flow sensor.

Detach the hose clip from the mass air flow sensor.

Scheme 275

Scheme 275

Lift up the air cleaner and move aside the fresh air hose.

Scheme 276

Scheme 276: Remove The EGR Components

Detach the hose from the throttle body.

Undo the hose clip and move the hose aside.

Scheme 277

Scheme 277

Unplug the connector of the throttle body and EGR mixer.

Note. For vehicles with manual transmission: also unplug the connector of the EGR cooler's bypass valve.

Scheme 278

Scheme 278

Remove the 4 M6 screws of the throttle body.

Scrap the gasket.

Scheme 279

Scheme 279

Undo both hose clips on the intake hose at the EGR mixer. Pull off the hose from the EGR mixer.

Undo the upper hose clip on the intake hose to the intake manifold.

Remove the intake hose.

Scheme 280

Scheme 280

Remove the 1 M6 screw to the brace of the fuel rail.

Scheme 281

Scheme 281

Remove the clamp between the EGR cooler and the connection pipe to the exhaust manifold.

Scrap the gasket.

Scheme 282

Scheme 282

Remove

  1. the coolant hoses from the EGR cooler
  2. the 1 screw clamp
  3. the 1 disposable clamp

Scheme 283

Scheme 283

Remove the 1 M8 screw on the rear edge of the cylinder head.

Scheme 284

Scheme 284

Remove the 1 M10 screw in the EGR mixer in the front edge of the cylinder head.

Lift out the EGR module assembly.

Install The Air Cleaner (ACL)

Install

  1. the air cleaner and press it into the snap mountings
  2. the fresh air hose on the mass air flow sensor and tighten the hose clip.

Plug in the connector of the mass air flow sensor.

Scheme 285

Scheme 285

Hook the solenoid valve onto the air cleaner housing.

Scheme 286

Scheme 286: Install The Components

Plug in the connector of the Engine Control Module (ECM).

Install

  1. the cover over the control module
  2. the intake hose between the front plate and the air cleaner
  3. the upper engine cover. First secure the rear edge and then press down the front edge.