Still can’t verify the source - HG or thermostat housing.
Cleaned things up as best as I could with a toothbrush and steel wool. It’s tight in there.
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Did about 70 miles of driving, half at about 70 MPH, half around 55 stop and go.
Then saw this:
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Very frustrating that I can’t tell where this is actually coming from. Any thoughts based upon these images?
Again, not opposed to putting a HG on it, but might start with the thermostat assuming I can get the bolts loose…
Thoughts?