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.
2000 Volvo S70 GLTFACTORY OEM SERVICE PROCEDURE
TRIP Driving Schedule
NOTE:
A/C can be on when engine is running at part load but must be switched off before engine is run at idle. If ECM has been without power, engine must be started a few times before testing.
- Clear DTC memory.
- Start engine.
- Shift gear selector to drive.
- Accelerate gently to 1500-2000 RPM.
- Drive for 5 minutes at 1500-2000 RPM.
- Run engine at idle for 70 seconds.
- Drive engaged, A/C off.
- Drive for 6 minutes at 1500-2000 RPM.
- Run engine at idle for 40 seconds.
- Drive engaged.
- A/C off.
- Drive for 5 minutes at 1500-2000 RPM.
- Run engine at idle for 50 seconds.
- Drive for 5 minutes at 1500-2000 RPM.NOTE: DO NOT use accelerator pedal during engine braking.
- Engine brake from 4000 RPM to approximately 1300 RPM a few times.
- DO NOT turn engine off after testing. Leave idling and read out fault memory using a scan tool. Read out fuel trim status. There should not be any faults when fuel trim is finished. Diagnosis any remaining DTCs as necessary.
Factory Service Tools
Use the Manual With the Right Hardware
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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.