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Coolant Leak around the engine block

Tiny
OUT OF MY LEAGUE
  • MEMBER
  • 1998 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
There is a pipe that goes into the engine right above the water pump. It appears to go thru an opening between the belt tensioner and the alternator. Can this be fixed?
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Sunday, December 21st, 2014 AT 10:09 AM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The picture doesn't show where the leak is coming from but that tensioner has coolant going through it and a plastic fitting at the end that commonly rots out.
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Sunday, December 21st, 2014 AT 12:09 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Most likely you are speaking of this tensioner (see image)? The two heater elbows are a common issue for a leak, but so is the intake manifold. When replacing the heater elbows, you will need to remove the alternator and tensioner. Be sure you have a small 90 degree pick because the gasket plus a small piece of the elbow will almost always break off and stay inside the engine block and the tensioner.
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Sunday, December 21st, 2014 AT 12:16 PM

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