Figure 8: Belt Tensioner Valve - Volvo D13 User Manual

Section 01: ENGINE
WARNING
Due to the heavy load of the rear bumper
assembly, it must be adequately supported
before attempting to remove it.
3. Remove the rear bumper assembly from the
vehicle. Refer to Section 18
"Rear Bumper Removal".
4. If applicable, disconnect the block heater
connector located near the EGR mixing
chamber.

FIGURE 8: BELT TENSIONER VALVE

5. Locate the A/C compressor belt tensioner
pressure releasing
pressure releasing
counterclockwise in order to release pressure
in belt-tensioner air bellows and loosen belt.
Remove the A/C compressor belt.
6. To release all pressure from the air system.
Refer to Section 12, BRAKES & AIR
SYSTEM for instructions.
7. Disconnect and remove the engine-air intake
duct mounted between air cleaner housing
and turbocharger inlet.
CAUTION
To avoid damage to turbocharger, cover the
turbocharger inlet opening to prevent foreign
material from entering.
8. Disconnect and remove the air intake duct
mounted between the air cooler outlet and
the engine intake.
PA1561
, under
BODY
12200
valve (Fig. 8). Turn
valve handle
9. Disconnect and remove the air intake duct
mounted between the turbocharger outlet
and the air cooler inlet.
10. Disconnect and remove section of coolant
pipe assembly mounted between the radiator
outlet and the water pump inlet.
11. Disconnect and remove a section of coolant
pipe assembly
thermostat housing and the radiator inlet, if
applicable.
12. Disconnect the electric fan-clutch connector
located near the cooling fan right angle
gearbox.
13. Disconnect the cooling fan drive shaft.
CAUTION
To avoid damage to cooling fan right angle
gearbox, make sure the power plant cradle
clears the gearbox when pulling the engine out.
14. Disconnect surge tank hoses connected to
the thermostat housing, the pump inlet and to
the transmission oil cooler.
15. Disconnect and remove the exhaust pipe
mounted between the flexible coupling and
the pipe going to the Aftertreatment Device
(ATD). If necessary, refer to Section 04
EXHAUST SYSTEM under "Muffler Removal
and Installation".
CAUTION
To avoid damage to turbocharger, cover the
turbocharger outlet opening to prevent foreign
material from entering.
16. Remove the power steering pump.
17. Close engine fuel supply shutoff valve on
primary fuel filter or Fuel Pro. Disconnect the
fuel line located above fuel filters and
connected to inlet port. On vehicles equipped
with the optional fuel filter/water separator,
disconnect the connector and remove cable
ties from cradle.
• With Vehicle Raised
18. Using the quick-connect drain hose, drain
the engine cooling system. Refer to Section
05 under "Draining Cooling System".
COOLING
12
mounted between the