2008 Volvo V70FACTORY OEM SERVICE PROCEDURE

Design And Function: Piston

Fig 1: Identifying Piston Cooling Nozzle
GLL156946Courtesy of VOLVO CARS CORPORATION
  1. Piston cooling nozzle

The pistons are die cast in aluminum and the connecting rods are forged in steel.

The heat received by the pistons from combustion, is cooled, partly via the coolant jacket in the block but also by the oil from the six piston cooling nozzles.

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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