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Coolant leak from under upper plenum manifold

Tiny
TRUEKING
  • MEMBER
  • 2003 NISSAN XTERRA
  • 3.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Cold morning warmed car up started driving. Got 2.2 miles car popped then started venting coolant steam from under the upper plenum manifold. Left a trail of fluid from street to where I parked. Radiator should no visible fluid. Put in a half gallon of 50/50 fluid (all I had available) made it home car never ran hot. But continued to vent coolant steam from under manifold. What could cause this?
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Thursday, December 8th, 2016 AT 10:57 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Probably a blown coolant hose. The system will have to be pressure tested and inspected for this leak. You may have to look around under the vehicle or use a flashlight and mirror to view had to see places. The leak should not be hard to locate with the amount of coolant reported being lost.
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Friday, December 9th, 2016 AT 12:14 AM

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