Engine compartment overview

This overview shows some service-related components.

Some of the components included in the vehicle's electric drive system are located in the engine compartment. Exercise caution when accessing the engine compartment and only touch what is required for normal maintenance.

 Warning

Orange wiring may only be handled by qualified personnel.

 Warning

Several components in the vehicle work with high voltage that can be hazardous in case of an incorrect procedure.

  • Do not touch anything that is not clearly described in this Owner's Manual.
  • Be careful when checking/filling fluids in the engine compartment.
P5-1617-S90/V90 Engine compartment overview
The layout of the engine compartment may vary depending on model and engine variant.
  1. P5-Icon red circle 1Coolant expansion tank
  2. P5-Icon red circle 2Brake fluid reservoir (located on the driver's side)
  3. P5-Icon red circle 3Washer fluid filler pipe1
  4. P5-Icon red circle 4Fusebox
  5. P5-Icon red circle 5Air filter
  6. P5-Icon red circle 6Engine oil filler pipe

 Warning

Bear in mind that the cooling fan (located at the front of the engine compartment behind the radiator) may start or continue running automatically up to about 6 minutes after the engine is turned off.

Always entrust engine washing to a workshop – an authorized Volvo workshop is recommended. If the engine is hot, there is a risk of fire.

 Warning

The ignition system works with extremely high and dangerous voltages. The vehicle electrical system should always be in ignition mode 0 when work in being performed in the engine compartment.

Do not touch any spark plugs or ignition coils when the vehicle electrical system is in ignition mode II or when the engine is warm.

  1. 1 Fill the washer fluid at regular intervals, e.g. when refueling.