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Slowly losing coolant, leaking inside or out?

Just got back to the house from the shop with an update. I eased the oil drain plug out and allowed a few milliliters of liquid into a catch-cup. It was viscous, and oozed like oil. It smelled like oil. It left no odd colors after an hour on blotter paper. I haven't yet had it tested for...
- AbelTwo
- Post #7
- Oct 28, 2022
- Forum: Engine Performance + Maintenance
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Slowly losing coolant, leaking inside or out?

You guys are a godsend! Thank you for your replies and thorough suggestions for further diagnosis, which I plan to follow to a "t" although I expect it may take me a little while to do so. In the meantime, here are some replies to Shurkey's queries: 1) The coolant was low in the overflow...
- AbelTwo
- Post #5
- Oct 26, 2022
- Forum: Engine Performance + Maintenance
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Slowly losing coolant, leaking inside or out?

I have a 1994 GMC Sierra K1500 with the 4.3 l V6, TBI, and a 5-speed manual transmission. The truck has 180k miles, the last 15k of which are mine and I drive it gently. I bought the truck two years ago from a guy that did not offer that he had a shop put in a head gasket, water pump, and...
- AbelTwo
- Thread
- Oct 25, 2022
- Replies: 9
- Forum: Engine Performance + Maintenance