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Just had the head gasket replaced am losing water and there are bubbles in radiator took it back told me bubbles were normal in older cars wondering if water can leak out the thermostat

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  • Cars & Trucks Master
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Well, I've never heard that bubbles were normal in older cars. I'd say the shop was at fault for shoddy repairs. You got it back and it's leaking or losing coolant? Something they should have checked very carefully for before calling the work finished.
Possibly, the bubbles were from overheated coolant because the level was low, after you noticed the loss of water. You asked if coolant can leak from the thermostat-there is a gasket on the thermostat housing that covers the thermostat, and that housing gasket can certainly leak. And sometimes does after thermostat replacement, since the bolts are not torqued down real tight to avoid distorting the gasket and causing a leak. If you see any sign of coolant around the thermostat housing, it may be leaking there. You would need to turn the housing bolts down about a half turn, and see if that stopped the leak. If it still leaks, you would probably need a new thermostat housing gasket. Don't know if you want to confront that shop again, but they should do the service for free, it was their job to finish the job. A small task and a two dollar gasket is about it, but someone will have to drain a good portion of the coolant first. They should have checked for leaks or losing coolant.

Posted on Apr 24, 2013

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Posted on Jan 02, 2017

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SOURCE: '97 subaru overheating

head gasket most likely.

Posted on Aug 31, 2008

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SOURCE: 2001 pt cruiser running hot after changing

I have a 2001 PT and it overheats the rad fan will not turn on. I took it to auto zone to hook it up to the code reader and it said that BBECM has detected an open or shorted condition in the radiator fan relay circuit Probable cause open or shorted high speed radiator fan relay.
What dose this mean is it a relay or the computer. I have read alot about the pcm needing re-programed is this something the Chrysler deal should take care of it seem to be happening to alot of people.

Posted on Jun 30, 2009

SOURCE: 1999 Alero: I replace the head gaskets thermostat water pump n...

OK you have done the engine side of things. If you have an electric radiator cooling fan make sure it comes on when radiator is hot, if not the fan motor is caned or the thermostat switch is faulty. Sometimes the fan motor is supplied by a fused/relayed circuit in which case these items will also need to be checked. Check that not only does the top hose from the engine to radiator get hot but that the bottom one does too. If not this would indicate a blockage perhaps in the radiator core due to sludge. If full of sludge give both ends a flush out with a high pressure hose. Like wise do the same with the bottom hose back to the pump. If the water is circulating and the radiator fan is working then the normal cooling system is working as it should. f the engine is running hot one last thing is to find the EGR valve and check that it is opening as it should. If not the combustion temperatures go very high. One indicator of a hot engine is blue/glazed spark plugs so take one out and check it for signs of hot running. If hot then look to clean the EGR valve and associated exhaust gas feeder pipe with frayed cable, cloth and and carb cleaner spray.

Posted on May 05, 2010

  • 264 Answers

SOURCE: 1995 BMW 525I over heating issue. I repaired head

Hi, Sounds like you have tried about everything. Ok the aux. coolant switch is for the electric pump for the heater core will not cause an over heating condition just a longer warm up of the heater core. Has the cooling system been bleed properly if there is a trapped air pocket it will not let coolant circulate. Was the new thermostat installed correctly? They have a vent that needs to be towards the top or they trap air on the back side and cant take an accurate reading to open and close. Other areas to look at would be proper operation of the fan clutch, if they fail they can cause the fan to not lock up properly and supply enough air movement through the radiator. The aux. electric fans and their temp switches do you hear them coming on are they coming on at the right temp.

Posted on Aug 26, 2010

  • 56 Answers

SOURCE: I have a 98 acura tl with 230,000 miles, sometimes

It sounds like low coolant to me if it is not leaking out anywhere it is possible that you have a head gasket problem. I would suggest pressure testing the system to see if you have a leak or if it holds pressure. if you do this yourself be sure not to exceed 15 psi.

Posted on Nov 30, 2010

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