cracked head? leaky head gasket? paranoia - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource

4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-15-2008
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Join Date: Jun 2004
Location: PUEBLO, CO
Posts: 3,753
I havent done a compression test yet, but the radiator is full to the top. I said I saw coolant in the oil, but now that I recall, I might have used that tub for coolant before.

I think my truck is actually fine (if anyone cares) but I will do a test anyway. what a shenanegin...
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Old 08-15-2008
zabeard's Avatar
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let me know what you find out!
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Old 08-23-2008
Rockledge's Avatar
Join Date: Nov 2006
Location: Connecticut
Posts: 479
Get a used oil analysis done and that will tell you for sure whether any coolant is mixing with the oil. Cheap and easy to do.

Check out:
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Old 08-27-2008
Hayn Time
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Leak down test and run dye through your coolant. Compression test will also help. The crummy ford coolant (**** yellow stuff) has the propensity to evaporate (so I've heard from a friend who is a Ford Master Mechanic). He recommended water wetter and/or royal purple w/Peak. Apparently keeps the block nice and cool. If you blew a head gasket you'd know (steam through the exhaust, rough idle, loss of power). At least I hope it isn't a blown head gasket. If it is Gil, you'll have some work to do.
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