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volvo Workshop Repair Guides


XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

Powertrain Management > Computers and Control Systems > Variable Valve Timing Solenoid > Component Information > Service and Repair > Procedures > Page 4855

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Use: cleaner, 1161826 (1161828 US)
Allow to act for 5 minutes.
Blow compressed air into all holes from both directions and look for contamination. Carry this out with current on and off to ensure that no dirt remains
in the ducts.
Rinse with cleaning agent. 
Use: cleaning agent, 1161721.
Blow again.
Lubricate the solenoid with engine oil to prevent it jamming.
After cleaning, check the function by repeating steps 1 and 2 again. If the solenoid still does not work after cleaning twice, replace the solenoid.

Test driving and checking  

Erase Diagnostic Trouble Codes (DTCs).
Test drive the car.
Check that no new DTCs have been stored.

VVT Solenoid, Inspection and Cleaning

VVT solenoid, inspection and cleaning

Inspection

Powertrain Management > Computers and Control Systems > Variable Valve Timing Solenoid > Component Information > Service and Repair > Procedures > Page 4855

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