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1986 Chevy Monte Carlo heater core

Tiny
JIMMYDB1
  • MEMBER
  • 1986 CHEVROLET MONTE CARLO
  • V8
  • 2WD
  • AUTOMATIC
  • 115,000 MILES
I have a 86 montecarlo that ha d a v-6 engine in it and I replaced it with a 5.7 v-8 and after doing so my heater core went out shortly after and I replaced the core and it is leaking again could this be from to much pressure going through the core if so how could I fix this problem
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Tuesday, February 19th, 2008 AT 12:48 AM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Yes it could be. Go to parts store and buy a heater fitting, they are smaller diameter hole than just a regular pipe fitting, slows down the water. Or you can put the appropriate size nut in the heater hose to slow it down, but I would go with the fitting
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Tuesday, February 19th, 2008 AT 7:33 AM

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