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post #1 of (permalink) Old 11-19-2001, 07:26 PM Thread Starter
 
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Coolant MIA

Ok here is the deal. I have my less than 10k mile motor and I checked the antifreeze the other day and noticed I was missing about 1/2 gal from the radiator and the resivor was bone dry. When I installed the motor I filled it with 50% mix of the Debated Orange, drove it for a week or so and refilled it. I really didn't look at it until the other day (7 mo later). I show no sign of a coolant leak and my overflow is in place. Cap is older (didn't replace with the motor) but it holds pressure, never seen it leak around it. No milk for oil either. What gives?

Havack!

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post #2 of (permalink) Old 11-19-2001, 07:31 PM
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Re: Coolant MIA

My 89 would lose coolant like that also with out any sign of a leak from anywhere .....strange brew ...it was the green stuff though.....

post #3 of (permalink) Old 11-19-2001, 07:51 PM
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Re: Coolant MIA

may take awhile for all the air pockets to work its way out if you filled it when it was bone dry. Did you check around the block heater plug? Thats were mine was leaking.

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post #4 of (permalink) Old 11-19-2001, 10:27 PM
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Re: Coolant MIA

My last motor did the same thing, Hopefully you dont have the same problem, one head had a long crack along the outside headbolt boss area, and it was never overheated.It never dropped any coolant and only had to refill it once a month, it was burning off on the exhaust manifold.



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post #5 of (permalink) Old 11-20-2001, 12:32 AM
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Re: Coolant MIA

I had that problem 3 times: 1st was the old cap leaking very slowly; 2nd was a crack in the nipple for the ECT & heater outlet; 3rd was a defective t-stat gasket with one of the holes punched too far out - it left a minute dribble down the front of the block, but evaporated too quickly to notice. I've also seen cracks in the overflow tank, leaks at the radiator tanks (common on your style of radiator), dry-rot of the overflow tube, & heater core leaks (they often are caught by the housing & leak onto the ground like condensate).

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post #6 of (permalink) Old 11-20-2001, 06:25 AM Thread Starter
 
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Re: Coolant MIA

If I got a crack that would be ok. Advanced Auto would pay to replace the motor, including the labor. I am going to replace the cap and hope I had an air pocket. The tube and hoses were inspected as I put them back on. Defective ones were replaced.

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