amelie_nacht8
C30 Heating Output Pathetic
Summary of the thread
The heating issue in a 2010 Volvo C30 diesel was identified as a weak output, with an error code indicating a problem with the water valve. The suspected cause was a faulty connection, possibly due to a frayed cable or corroded plug affecting the valve's operation. The solution involved confirming the issue at a local garage, where a faulty connection in the water valve was repaired, resolving the heating problem.
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4 comment(s)
amelie_nacht8 (community.author)
Coolant level is spot on, so I can rule that out. When you say 'obvious blockages,' what exactly should I be looking for? I mean, aside from a family of squirrels taking up residence inside the valve!
franziskashadow1
Things like debris restricting the valve's movement. If you are not confident with electrics I would go to the workshop. It is a quick repair and should not be too expensive.
amelie_nacht8 (community.author)
Thanks for the advice. Dropped it off at the local garage this morning. They confirmed it was the water valve – faulty connection as suspected. 95€ all in. Much appreciated!
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VOLVO
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C30
franziskashadow1
Sounds like a sticky water valve, especially with the error code. Is the engine coolant level correct? A low coolant level can cause similar heating issues. Have you checked the valve itself for any obvious blockages or damage?