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Engine - Overhaul Instructions: Removal & Installation Volvo XC70 II

Mechanical 40 illustrations ~949 words

REMOVAL

Remove oil filter, see OIL FILTER (2008-10) or OIL FILTER (2011-2012)

CAUTIONTake extra care when handling the component.

Remove drive flange plate, see CARRIER PLATE (2008-2009) or CARRIER PLATE (2010-12)

see 9992520 see 9995297 see 9989721

REMOVE

Drain the engine oil. See OIL FILTER (2008-10) or OIL FILTER (2011-2012)

Remove the engine according to: ENGINE - REMOVAL AND INSTALLATION

Remove the following items

  1. radiator hose
  2. front auxiliary unit console
  3. console transmission
  4. AC-console
  5. water pipes

Remove the transmission.

Remove the lower screws (these are difficult to access) between the gearbox and engine before removing the engine and gearbox unit. The engine and gearbox unit must be placed on a suitable surface.

Relieve the transmission. Loose the remaining screws and remove the transmission carefully.

Remove the carrier plate/flywheel. See CARRIER PLATE (2008-2009) or CARRIER PLATE (2010-12)

Install the following items

  1. see «9992520»(ref-460875-S32052658872012033000000)
  2. see «9995297»(ref-460875-S21331165912012033000000)
  3. see «9989721»(ref-460875-S01561744442012033000000)

Mount the engine in a work stand. Bolt down the engine as shown.

Drain the engine oil. See OIL FILTER (2008-10) or OIL FILTER (2011-2012)

Remove the engine according to: ENGINE - REMOVAL AND INSTALLATION

Remove the following items

  1. radiator hose
  2. front auxiliary unit console
  3. console transmission
  4. AC-console
  5. water pipes

Remove the transmission.

Remove the lower screws (these are difficult to access) between the gearbox and engine before removing the engine and gearbox unit. The engine and gearbox unit must be placed on a suitable surface.

Relieve the transmission. Loose the remaining screws and remove the transmission carefully.

Remove the carrier plate/flywheel. See CARRIER PLATE (2008-2009) or CARRIER PLATE (2010-12)

Install the following items

  1. see «9992520»(ref-460875-S32052658872012033000000)
  2. see «9995297»(ref-460875-S21331165912012033000000)
  3. see «9989721»(ref-460875-S01561744442012033000000)

Mount the engine in a work stand. Bolt down the engine as shown.

INSTALLATION

Install cylinder head, see CYLINDER HEAD

Install cylinder head, see CYLINDER HEAD (B6304T4) , CYLINDER HEAD (B6324S5) or CYLINDER HEAD (B6324S4)

Note. Note the position of each component before removal.

Scheme 23

Scheme 23: REMOVAL

Scheme 24

Scheme 24

Scheme 25

Scheme 25

Scheme 26

Scheme 26
CAUTIONTake extra care not to damage the mating faces.

Note. Note the position of each component before removal.

Scheme 27

Scheme 27
CAUTIONTake extra care not to damage the mating faces.
CAUTIONThe components are paired. If one component is damaged, both components shall be replaced at the same time.

Remove the following items

  1. Gasket, inner timing cover, see «GASKET, INNER TIMING COVER»(ref-495375-S23601271682012082100000)
  2. alternator, see «ALTERNATOR AND REGULATOR - REMOVAL, REPLACEMENT AND INSTALLATION»(ref-495394)

Scheme 28

Scheme 28

Scheme 29

Scheme 29

Scheme 30

Scheme 30
CAUTIONThe components are paired. If one component is damaged, both components shall be replaced at the same time.
CAUTIONTake extra care when handling the components.

see 9995670

Scheme 31

Scheme 31
CAUTIONTake extra care when handling the components.

see 9997315

Scheme 32

Scheme 32

Scheme 33

Scheme 33

Scheme 34

Scheme 34

see 9997258

Scheme 35

Scheme 35

see 9997259

Scheme 36

Scheme 36

Scheme 37

Scheme 37

Scheme 38

Scheme 38

Note. This step requires considerable force.

see 9997317 see 9997329

Scheme 39

Scheme 39

Scheme 40

Scheme 40

see 9997318 see 9997328 see 9997319

Scheme 41

Scheme 41

see 9997320 see 9997337 see 9997319

Scheme 42

Scheme 42

see 9997322 see 9997337 see 9997321

Scheme 43

Scheme 43: INSTALLATION

Note. Make sure that the protective cover remains installed.

Note. Make sure that a new component is installed.

see 9997324 see 9997337 see 9997323

Scheme 44

Scheme 44

see 9997325 see 9997337 see 9997326

Scheme 45

Scheme 45
CAUTIONMake sure that the area around the component is clean and free of foreign material.

Use: Cleaning agent, 1161721

Scheme 46

Scheme 46
CAUTIONMake sure that the area around the component is clean and free of foreign material.

Use: Cleaning agent, 1161721

CAUTIONTouching the adhesive surface will impair rebonding.

Use: Metal adhesive, 1161722

Scheme 47

Scheme 47

see 9997328 see 9997318 see 9997327

Scheme 48

Scheme 48

Scheme 49

Scheme 49

Torque: Chain wheel

400 Nm

see 9997317 see 9997329

Scheme 50

Scheme 50
CAUTIONTake extra care when handling the component.

see 9997316

Scheme 51

Scheme 51

Scheme 52

Scheme 52

Note. Make sure that the mating faces are clean and free of foreign material.

Note. The component must be installed within 5 minutes of applying the sealant.

Use: Chemical gasket, 1161771

Scheme 53

Scheme 53

Torque: Gear housing

Stage 1: 10 Nm

Stage 2: 24 Nm

Scheme 54

Scheme 54

Note. Make sure that the mating faces are clean and free of foreign material.

  1. Use: Chemical gasket, 1161771

Scheme 55

Scheme 55

Note. Use a new seal.

see 9997260

see 9997258

Torque: Intermediate shaft alternator side

40 Nm

Torque: M6

10 Nm

Expose the engine according to engine block, exposing

Remove the following items

  1. oil pump and line. See «OIL PUMP AND LINE (B6324S/2; 2008-10)»(ref-495630-S36738271502012082100000) , «OIL PUMP AND LINE (B6304T2; 2009-10)»(ref-495630-S11702382112012082100000) or «OIL PUMP AND LINE (B6304T4; B6324S4; B6324S5; 2011-12)»(ref-495630-S30664012852012082100000) .
  2. front crankshaft seal. See «CRANKSHAFT FRONT SEAL»(ref-495375-S35229623872012082100000)

Scheme 56

Scheme 56

Scheme 57

Scheme 57

see 9997257

Turn the crankshaft so that the piston for cylinder 1 ends up in lower dead center (LDC). Check that there are markings on caps and connecting rods and note which way the marking is located (exhaust/inlet side) Note this. Mark as needed.

Scheme 58

Scheme 58

Note. Note and mark the position of the components before removal.

Note. Make sure that components are installed according to instructions from removing.

Remove the screws for the connecting rod cover. Lift off the cover. Ensure that the bearing cover comes with it.

The contact face between the cap and connecting rod is not machined. The fit takes place using a clean fracture surface.

Scheme 59

Scheme 59

Note. Note and mark the position of the components before removal.

Note. Make sure that components are installed according to instructions from removing.

see 9995746

Install the tool in the connecting rod and press out the connecting rod/piston.

Hold your hand underneath so that the piston does not fall to the floor and make sure that the bearing half also comes out. Lay the piston with connecting rod so it can be reinstalled in the correct cylinder. Continue with cylinder 2, 3, 4, 5, 6 as above.

Scheme 60

Scheme 60

Note. Note and mark the position of the components before removal.

Note. Make sure that components are installed according to instructions from removing.

First remove the intermediate part's M8 screws. Then continue with the M10 screws. Begin at the outer edges and work alternately towards the middle.

Carefully pry apart the intermediate part /engine block

Lift away the intermediate part. Make sure that the intermediate part's bearing halves also come out.

Scheme 61

Scheme 61

Note. The crankshaft must not rotate.

Carefully lift the crankshaft straight up.

Scheme 62

Scheme 62

Note. Note and mark the position of the components before removal.

Note. Make sure that components are installed according to instructions from removing.

Remove the remaining bearing halves.