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mika_mayer1

Citan Coolant Level Problem

Low coolant level issue on my 2022 Mercedes Citan Gasoline engine Only 17221 km and I'm already wrestling with a low coolant level Check engine light is on, and the error memory is screaming at me I suspect a dodgy cable or plug connection Has anyone else seen this

4 comment(s)

rolandpeters1

I had something similar on my Citan Check the coolant reservoir cap first, make sure it's sealing properly Air pockets can cause coolant loss too Is the cooling fan kicking in like it should No signs of engine overheating, right

mika_mayer1 (Author)

Good shout on the reservoir cap It feels snug, but I'll double-check How would I know about those air pockets you mentioned Any tricks to burp them out Overheating hasn't been an issue, cooling fan seems okay Head gasket failure symptoms are different right

rolandpeters1

Yeah, head gasket would usually mean other nasties too As for the air pockets, there are ways to bleed the system, but I wouldn't mess with it too much myself If it's still dropping coolant, it's probably best to get it to a workshop They'll have the right tools to diagnose it properly and pressure test the system

mika_mayer1 (Author)

I appreciate the insight I took it in, and you were spot on about a dodgy connection They replaced a corroded plug, pressure tested the system, and it's all good now The bill came to 95€ It saved me a ton of stress trying to troubleshoot it myself

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