Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1999 Volvo S70 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Installation
- Inspect pins and sockets of control module connectors before installing. If any are visibly damaged, control module must be replaced.
- Carefully place control module into its housing. Press module into grooves as far as it will go.
- Place Special Tool (999 5572) or equivalent puller around control module. Move upper section of puller as far forward as it will go. See Figure.
- Press cover of control module housing into place.
- Ensure correct positioning of air ducts around module housing.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.