When to replace the CVVT on a Kia?
If, at any time, the OCV is suspected as a cause of rough idling, poor acceleration, camshaft timing misalignment-related trouble codes, misfire-related trouble codes, etc., on a Kia vehicle equipped with a CVVT system, be sure to perform the OCV inspection procedure below before replacement. Copyright © 2021 Babcox Media Inc. All Rights Reserved.
What are the symptoms of a bad VVT?
Symptoms of a Bad or Failing Variable Valve Timing (VVT) Switch. Common signs include a rough engine idle, the Check Engine Light coming on, and the engine stumbling when climbing hills or under load.
How to check and replace the VVT pulley in your Volvo?
To remove the left hand side engine cover, you need to undo the 2 clips (highlighted in the yellow circles) and lift the cover. Now you can see the VVT pulley and the VVT solenoid. Now, unplug the connector going into the VVT Solenoid (highlighted in the yellow circle in the above picture) and start the engine.
Where is the CVVT on a Volvo S80?
CVVT stands for Camshaft Variable Valve Timing. P1330 relates to the solenoid which controls the CVVT. It is not uncommon for sludge building up in the CVVT valve/solenoid. Your Volvo’s CVVT is located on the valve cover by the exhaust cam sprocket.
What kind of oil control valve is used in CVVT?
This bulletin provides information related to the Oil Control Valve (OCV) used in Constant Variable Valve Timing (CVVT) systems.
What should I do if my VVT pulley stops working?
Now, unplug the connector going into the VVT Solenoid (highlighted in the yellow circle in the above picture) and start the engine. – If the noise stops, then it is 99.99% the VVT Pulley being faulty and it needs replacing. A lot of people or garages misdiagnose that the VVT Solenoid is at fault, but very rarely does it fail.