1994 Honda Civic LX, 1.5

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Parolee - 07 Nov 2005 02:59 GMT

This dadgum Honda's radiator keeps losing coolant by the end of the day.
The coolant foams from the radiator (cap off) pretty bad. And there is a
major hissing sound when the vehicle is turned off. Hissing, as in,
pressure w/a hot coolant smell. The hissing is coming from around the
driving side area, nearest the alternator, and/or lower intake manif"
area. What the heck is this? I've tried every thing from exchanging the
radiator, thermo,stat, head gasket. ???????

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'Curly Q. Links' - 07 Nov 2005 05:19 GMT

> This dadgum Honda's radiator keeps losing coolant by the end of the day.
> The coolant foams from the radiator (cap off) pretty bad. And there is a
[quoted text clipped - 3 lines]
> area. What the heck is this? I've tried every thing from exchanging the
> radiator, thermo,stat, head gasket. ???????

----------------------------

If your water pump is leaking, it will take out your water pump BEARING
soon, then your engine will self-destruct. Time to stop diddling around
and find the leak. Read this:
http://www.tegger.com/hondafaq/faq.html#interference

It's supposed to boil when you allow the pressure to bleed off. You
haven't been putting tap water in it, have you?

'Curly'

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TeGGeR® - 08 Nov 2005 02:27 GMT

You've got a major leak somewhere, or a blown head gasket.

The location of your hiss is the water pump area.

Behind the engine is an external steel pipe (1.5" dia) that goes from the
water pump to the thermostat housing. If it corrodes, the O-ring seals can
get compromised and you'll get a leak there. You can't really see it unless
you get underneath. There are several small connections to the steel pipe.
they can corrode too.

Did you change the head gasket yourself?

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TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

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