CVVT – What They Do & Why

Cvvt Hub

The CVVT job — burn off environmentally bad gasses produced in the first minute or so from a cold engine. CVVT technology superseded fussy air pumps after it matured enough to be a dependable component of passenger cars. See Wikipedia’s CVVT page. See MVS’s how to change the CVVT hub on P2 Volvos. See all […]

Replace the connectors on the CVVT

Here’s a great write-up by (now) MVS Contributor v-45magna on how to replace the connectors on the CVVT when there doesn’t seem to be any other option! If you are replacing your CVVT solenoid and the plug is different than your previous one and you are looking for a way to make it work, here […]

How to Change CVVT Hub on P2 Volvos

MVS (now) Contributor F250 made a very good PDF that guides us through CVVT Hub Change Guide on P2 Volvos. Download the PDF here. See F250’s Forum topic here for discussion and methodology. Important information VIDA instructions may not have the correct information with regards to clockwise (CW) or counterclockwise (CCW) movements when setting the […]

Troubleshoot A Dead Volvo 5-cyl Engine

Tips on Finding the Problem on White Engines Pull the head and inspect before doing any other plotting and planning. If the problem were to be rusty or stuck valves then the fix is easy. The cam sensor is different on Denso with different reluctor and the cam I believe to different on rear where […]