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Old 12-20-2023, 04:43 PM   #10
Nehmo
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Re: What is this hose? Chevy Lumina APV, 3400 Engine, 1996

Quote:
Originally Posted by Blue Bowtie View Post
It's not an easily accessible area. I know them well.




Ford Windstars are worse, as least a little bit.

An internal coolant leak would explain the excess moisture in the PCV and vent system. It would be good to monitor the condition of the crankcase oil so that the crank, cam, and all the bearings don't get wiped out due to coolant contamination.
The oil on the end of the dipstick is dirty but doesn't appear to be contaminated with coolant. I suspect the leak is outside of the engine because the firewall is wet in a spot. I need to remove the windshield wiper cowl to see back there. I already tried a mirror.
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