2003 Volvo XC90 Base, FWDFACTORY OEM SERVICE PROCEDURE

Cylinder Block

Fig 1: Identifying Cylinder Block
GLL150595Courtesy of VOLVO CARS CORPORATION

The cylinder block is made of cast aluminum. It has a stiff rib structure for better rigidity and thereby better sound and vibration properties.

The cylinder block has eight cast-iron cylinder liners molded into the cylinder block. They cannot be replaced.

The coolant jacket goes halfway down the cylinders to ensure quicker heating and thereby reduce hydrocarbon emissions. Certain sections of the coolant jacket are deeper to reduce the risk of the cylinder deformation.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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.

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