2004 Volvo XC90 Base, AWDFACTORY OEM SERVICE PROCEDURE

Generators & Regulators: Description

Generator generates AC current which is converted to DC current in the DC bridge. Generator has a built-in charge regulator. Accessory drive belt transfers power from crankshaft pulley to power steering pump, air conditioning (A/C) compressor and generator. Belt tension is tensioned using an automatic belt tensioner. Belt is a Poly-v-belt. Generator with charge regulator can be diagnosed through the central electronic module.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.