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over heating


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weejackie
Novice

Jan 3, 2010, 4:42 AM

Post #1 of 8 (1686 views)
over heating Sign In

i have a ford fiesta zetec 1.4 03 plate recently driving the temperature gauge went to red, i stopped and saw steam come from the water, i allowed it to cool and took to garage. they replaced thermostat housing. next day temp gauge still went to red took to another garage who said likely to be an airlock, toppedit upwith antifreeze, next day still the same took back to garage who said maybe head gasket and put k-seal in, again this has still not resolved??? help!!!!! i'm sure the garages just see me coming with being female. no water is leaking but when temp gauge at hot the water is bubbling.


DanD
Veteran / Moderator
DanD profile image

Jan 3, 2010, 5:32 AM

Post #2 of 8 (1674 views)
Re: over heating Sign In


Quote
took back to garage who said maybe head gasket


Actually there’s no maybe’s if a shop is allowed or knows how too perform the tests, to confirm an internal issue. If there is a blown head gasket; carbon monoxide from the combustion chamber will enter the cooling system.
This CO can be detected with the use of a gas analyzer or with a relatively inexpensive test kit called a block tester. This test kit has a blue chemical that will change in colour when CO gases are passed through it.



Like I said no guessing involved and it only takes about 10 minutes to perform the test.
One last thing; if the test confirms; that yes there is CO in the cooling system; there is a chance that there’s more then just a head gasket that has blown. After disassembling; the cylinder head and the engine block needs to be checked for cracks; cracks where combustion gases, could still enter the cooling system.

You said

Quote
they replaced thermostat housing.


Did they replace the thermostat itself?
If not and after the combustion chamber leak test; that would be the very next thing to do.

Dan.

Canadian "EH"






(This post was edited by DanD on Jan 3, 2010, 5:33 AM)


weejackie
Novice

Jan 3, 2010, 5:37 AM

Post #3 of 8 (1668 views)
Re: over heating Sign In

don't think thermostat was replaced, i will try get that test kit. would it be best replacing the thermostat before the head gasket(skimming)?


steve01832
Veteran
steve01832 profile image

Jan 3, 2010, 5:41 AM

Post #4 of 8 (1665 views)
Re: over heating Sign In

When I read the first post of the shop putting stop seal in the radiator, I cringed. The use of any kind of stop leak products usually results in irreversible problems down the road. All these products do is clog coolant passages in the block and heads. They also restrict radiators and heater cores. NEVER use this kind of product, fix it right is the rule of thumb. Shame on the shop that did that.

Steve


weejackie
Novice

Jan 3, 2010, 5:44 AM

Post #5 of 8 (1663 views)
Re: over heating Sign In

is the problem likely to be the head gasket? people are telling me different things...not sure what to believe now?


steve01832
Veteran
steve01832 profile image

Jan 3, 2010, 5:46 AM

Post #6 of 8 (1660 views)
Re: over heating Sign In

The best advice is to follow Dan's. You may want to start with getting the head and gasket checked first off. Then, if it's OK, you can check the thermostat out.

Steve


Sidom
Veteran / Moderator
Sidom profile image

Jan 3, 2010, 9:46 AM

Post #7 of 8 (1645 views)
Re: over heating Sign In

In addition to the other advise, make sure the fans are coming on....

When is it over heating? Right away, with in 5 to 10 minutes of start up or is it at high speeds only? The more info you can give about when & how helps narrow it down to the possible cause............


weejackie
Novice

Jan 5, 2010, 12:42 PM

Post #8 of 8 (1627 views)
Re: over heating Sign In

it only seems to be overheating when driving for longer periods at higher speeds, i started car up yesterday and left running for about 30 mins and car did not overheat. i have it booked in to garage tommorow would just like some idea of what could be wrong






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