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Re: 1993 EV - heater core failure (I think) in SoCal


 

UPDATE: Completed the bypass yesterday in about 10 minutes as others described as well.? Definitely think keeping a bypass kit in the Eurovan is a good idea.? $20 backup plan.

Photos will be posted on my website.? Super easy and only required pliers.? I did a refill of coolant, started, drove, topped off... and today I'll check it all again to be sure there isn't another leak.

Question though: My dash temp/coolant light has been blinking even before this failure.? I had already replaced the coolant reservoir... thinking that it was a sensor/reservoir issue.? What conditions will make that dash light turn ON/blink?

- low coolant
- high temp?
- faulty/disconnected temp sensors?? (possibly bad wire or bad sensor)

Is there a VAGCOM-VCDS check I can run that would help diagnose why this is blinking?

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