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Coolant leaking from exahst manifold Bolt

Tiny
JPRENTICE31
  • MEMBER
  • 1988 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
I was drilling out a broken exhaust manifold bolt and drilled to far. Now there is coolant leaking from bolt hole. How do I fix this problem? This is my only vehicle, I need to fix asap.
Friday, July 22nd, 2011 AT 12:39 AM

2 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
What is the condition of the hole itself? Are there threads remaining, or did those get drilled out?
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Friday, July 22nd, 2011 AT 2:14 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Get a Heli-Coil kit for exhaust bolt size install per instructions. Then coat bolt with #2 Permatex to seal water jacket
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Friday, July 22nd, 2011 AT 2:10 PM

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