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1998 DeVille Northstar where is radiator petcock
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comnavguy
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Aug 16, 2009, 9:43 AM
Post #1 of 10
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1998 DeVille Northstar where is radiator petcock
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Where is the radiator drain petcock on this car? And how to get to it?
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Hammer Time
Ultimate Carjunky
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Aug 16, 2009, 10:52 AM
Post #2 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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The drain is located on the left (driver's) side tank, near the bottom, facing the rear. It is pretty hard to see and access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 16, 2009, 11:00 AM)
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Loren Champlain Sr
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Aug 16, 2009, 10:54 AM
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Re: 1998 DeVille Northstar where is radiator petcock
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comnavguy; If your radiator even has a petcock, it will be at the bottom of the radiator, straight down from the upper radiator hose. Many newer models don't have a petcock and must remove the lower radiator hose to drain. Loren SW Washington
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comnavguy
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Aug 17, 2009, 8:50 PM
Post #4 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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If this car has a petcock, it will be a major surprise to me. I can't see/find it, and I've moved everything but the trunk lock. I flushed it the long hard way, but it's cleaner'n the day it came off the line.' Thanks.
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Hammer Time
Ultimate Carjunky
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Aug 17, 2009, 8:53 PM
Post #5 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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It definitely has a petcock but it is difficult to see, even with the car in the air. It's on the lower left and it sits back, hidden inside the radiator support, almost impossible to get your hand to. I use a special socked with a 3" extension to reach it from underneath. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Loren Champlain Sr
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Aug 18, 2009, 9:30 AM
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Re: 1998 DeVille Northstar where is radiator petcock
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HT; Funny you should mention that. One of my guys, just yesterday, mentioned a petcock socket. Never seen one. Seems that it would be fairly easy to make one out of an old socket? Loren SW Washington
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Hammer Time
Ultimate Carjunky
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Aug 18, 2009, 9:33 AM
Post #7 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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Just take a 17mm socket and grind a slot into it. They make a 1/4"drive for it but you can make one easily. This petcock is a flat blade (mohawk) head on a threaded plug. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Loren Champlain Sr
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Aug 18, 2009, 10:48 AM
Post #8 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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That was my 'mental' picture. Kind of like a small tie rod socket. Loren SW Washington
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Hammer Time
Ultimate Carjunky
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Aug 18, 2009, 10:50 AM
Post #9 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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You can probably buy the real thing at AutoZone or the like for under $5 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Loren Champlain Sr
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Aug 18, 2009, 11:05 AM
Post #10 of 10
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Re: 1998 DeVille Northstar where is radiator petcock
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Oh, but that would be too easy. Loren SW Washington
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