1990 Chevy Lumina lossing radioator fluid

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CMS9183
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Engine problem
1990 Chevy Lumina V6 Two Wheel Drive Automatic 183000 miles
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i have a 1990 lumina car 3.1 183000 miles im loosing antifreeze from somthing thats on my firewall and when i turn my heater on i smell antifreeze really bad and when i turn off my heater my windshield fogs up on me im not sure what the problem is i heard it is the heater coil please help as soon as possible thanx charles
Dec 4, 2007 at 8:51 AM
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BLACKOP555
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yes it sounds like a bad heater core to me! or loose hoses.
Dec 4, 2007 at 9:15 AM
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RASMATAZ
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From: cms9183
To: rasmataz
Posted: Wed Dec 12, 2007 8:31 pm
Subject: 1990 chevy lumina 3.1 car 183.573 miles
hello im charles sorry to bother u but i have a quetion
im tring to replace my heater core in my 1990 chevy lumina 3.1 car right now im tring to remove the core cover but i cant figure out what type of screw or bolt it might be i tried a 5.5 mm socket i tried a phillips screw driver i cant get it please help as son as posible
thanx inadvance charles


I've look for the size of bolt/screw in my references not available couldn't give -could it be a torx heads screw.
Dec 12, 2007 at 12:42 PM
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RASMATAZ
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It is either a 5.5,7,8 or 10mm maybe 1/4 only size GM uses in the interiors. The center is a Torx, #15 or #20

Can you upload a pic on it
Dec 13, 2007 at 2:08 AM
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BLACKOP555
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i belive torx #15, stock on most.

if i find the guy that invented torx..
Dec 13, 2007 at 6:57 AM
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