Coolant leak

Tiny
HARDHATKATT
  • MEMBER
  • 1998 CADILLAC DEVILLE
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 179,000 MILES
Coolant leaking from cylinder head https://drive.google.com/open?id=0B8rWLeDg5ijjandIT29MMVF4Q1U
Link is to video I took. Is this a expansion plug?
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Sunday, April 10th, 2016 AT 7:46 PM

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Tiny
CJ MEDEVAC
  • EXPERT
LOOKS LIKE IT'S COMING OUT OF A FREEZE PLUG

VIDEO ANGLE DOES NOT SHOW THE FULL PLUG

IS IT RUSTED OUT IN THE MIDDLE?

OR

HAS THE FREEZE PLUG POPPED OUT OF IT'S HOLE?

THE MEDIC
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Sunday, April 10th, 2016 AT 8:29 PM
Tiny
CJ MEDEVAC
  • EXPERT
'SPANSION PLUG- FREEZE PLUG SAME THING!

THE MEDIC
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Sunday, April 10th, 2016 AT 8:30 PM
Tiny
HARDHATKATT
  • MEMBER
There is literally nothing there, just an open hole. I have looked and looked but can't find any info on a freeze plug for the Northstar any idea what size plug I need?
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Sunday, April 10th, 2016 AT 8:33 PM
Tiny
CJ MEDEVAC
  • EXPERT
I KNOW THIS IS A STUPID QUESTION

IS THIS AN EMERGENCY?

DO YOU HAVE TIME TO DO A PERMANENT TAKE STUFF APART AND INSTALL A NEW ONE?

WOULD A TEMPORARY FIX (DO IT RIGHT SOON) WORK FOR THE PRESENT TIME?

IF YOU CAN GET A HAND AND A WRENCH IN THERE

CAN REALLY TIGHTEN THIS UP GOOD

CAN GET THE RIGHT SIZE

OTHER STORES HAVE THESE TOO

SEE THIS LINK

http://shop.advanceautoparts.com/web/PartSearchCmd?storeId=10151&catalogId=10051&pageId=partTypeList&suggestion=&actionSrc=Form&langId=-1&vehicleIdSearch=-1&vehicle_39340=1998+%3A+Cadillac+%3A+Deville+%3A+4.6L+281CI+V8+FI+VIN%3A+Y&vehicle_444699=2009+%3A+Chevrolet+%3A+Impala+LS+%3A+3.5L+213CI+V6+FI+VIN%3A+N&vehicle_49556=2001+%3A+GMC+%3A+Savana+1500+%3A+5.0L+305CI+V8+FI+VIN%3A+M&searchTerm=freeze+plug+-+rubber&searchedFrom=header

WHACHU THINK?

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Sunday, April 10th, 2016 AT 8:40 PM
Tiny
HARDHATKATT
  • MEMBER
I was looking at these earlier the only problem is that when I plug in my car info to find a size it doesn't produce any results. I suppose I could just measure the hole and buy accordingly?
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Sunday, April 10th, 2016 AT 9:00 PM
Tiny
CJ MEDEVAC
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ROGER THAT

IT'S THE BACK PLATE AND RUBBER THAT MUST FIT IN THE HOLE

THE CLOSER, THE BETTER

IF IT'S HARD TO MEASURE

YOU MIGHT USE YOUR IMAGINATION AND TRY BOTTLE/ JUG CAPS/ SOCKETS (MY FAVORITE)/ ANYTHING ROUND THAT FITS THE HOLE THAT COULD BE MEASURED ONCE REMOVED

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Sunday, April 10th, 2016 AT 9:08 PM
Tiny
CJ MEDEVAC
  • EXPERT
WHEN YOU INSTALL THESE

SOMETIMES IT'S EZier TO SORTA "PRE-TIGHTEN" IT SO THAT IT "DRAGS" THE HOLE AS IT ENTERS

SINCE THERE IS NO WAY TO "BACK-HOLD" THE ASSEMBLY, IT WILL SPIN IF INSTALLED LOOSELY

THE FRICTION FROM THE "DRAG" WILL KEEP IT FROM SPINNING AS YOU CONTINUE TO TIGHTEN

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Sunday, April 10th, 2016 AT 9:19 PM

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