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Burning coolant

Tiny
TROY GERMER
  • MEMBER
  • 1993 MAZDA B2600
  • 4 CYL
  • 4WD
  • MANUAL
  • 117,448 MILES
I have a 93 Mazda B2600i 4*4 ext cab with a 2.8 l engine, it has started burning antifreeze but oil is clean and no bubbles in rad. Can the choke heat riser on the intake manifold leak into the intake?I see it has a coolant line running into it. A few weeks ago a shop had the intake manifold off to repair some leaking coolant lines. Could a pinched gasket cause this problem?
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Saturday, March 26th, 2011 AT 6:24 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You sure it is burning coolant or it is leaking? If it is burning, I would suggest rechecking the intake manifold installation. That is the area where coolant can be drawn into the engine. For other hoses, a pressure test should enable you to locate the source.
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Sunday, March 27th, 2011 AT 7:34 PM

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