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Coolant Leaking


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randomdvguest
Novice

Aug 5, 2014, 9:30 PM

Post #1 of 10 (1251 views)
Coolant Leaking Sign In

Ok, so I have a serious coolant leak and it's coming from here.


This is what it looks like underneath.


Can anyone help diagnose this problem?


(This post was edited by randomdvguest on Aug 5, 2014, 9:31 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 5, 2014, 10:43 PM

Post #2 of 10 (1230 views)
Re: Coolant Leaking Sign In

Let's begin with what exact vehicle and engine this is.


That pic didn't help me anyway. Coolant leaks in general will be highest and most forward of where evidence is found.


Pressure tester is very helpful for finding exact source when/if active leak is happening.


Some common trouble spots include, radiator, hoses and clamps, water pumps, manifold gaskets and anything carrying coolant.


Tricky leaks are usually hose or radiators (IMO) that can shoot a fish line leak at another item sometimes found by light or placing something in suspect path to see it get wet.


Intermittent leaking more likely to be sealed shaft of a water pump (vent hole usually first) not all but should show evidence if not active,


T



randomdvguest
Novice

Aug 7, 2014, 2:07 AM

Post #3 of 10 (1203 views)
Re: Coolant Leaking Sign In

Ok, I found a heater hose that needed replacing, so I have replaced the heater hose. However, I needed to remove the thermostat housing in order to get to said hose.
The car is still leaking coolant.

I believe that it is coming from the thermostat housing now. The thermostat housing needed a gasket change.
Here is what the gasket looked like. I scraped it off.



The only problem is, I couldnt find the correct gasket size anywhere. Apparently the thermostat housing has been changed from the originally manufactured one. All the parts stores that searched up my car model said my car came with a different sized thermostat housing. All the ones they had were too big of a size.
So, under the suggestion of a couple of parts stores, I set about making my own gasket
I bought a sheet of gasket making paper. Here is what it looks like.


I am quite sure the leak is coming from the thermostat housing. However, when I turn the car on, the distributor from the first picture is over it, so I cannot see the leak properly.
Do you suggest I just leave the car off and pour water into the top radiator hose with the distributor taken off so I can see the leak better?

Also, I am not sure about the gasket materials they suggested. Does it look correct? Do I need some extra sealing for it? Perhaps I didn't tighten things properly?

I have called it a day for now as it is dark and I don't have a garage. Will take another look at it tomorrow.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 7, 2014, 2:24 AM

Post #4 of 10 (1201 views)
Re: Coolant Leaking Sign In

Yeah, that's common in Masaeratis



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



randomdvguest
Novice

Aug 7, 2014, 2:53 AM

Post #5 of 10 (1195 views)
Re: Coolant Leaking Sign In


In Reply To
Yeah, that's common in Masaeratis



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 7, 2014, 3:22 AM

Post #6 of 10 (1194 views)
Re: Coolant Leaking Sign In

Did they recently legalize a controlled substance at this location?


T



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 7, 2014, 4:07 AM

Post #7 of 10 (1187 views)
Re: Coolant Leaking Sign In

I'm going to guess and say it is a Toyota or Lexus?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 7, 2014, 4:27 AM

Post #8 of 10 (1180 views)
Re: Coolant Leaking Sign In

Are we going to play "Where's Waldo" with a thread again?



OK - look for this guy in that pic and if find him we'll know what kind of car this is also.......



DS - bet you can find him!


T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 7, 2014, 5:53 AM

Post #9 of 10 (1175 views)
Re: Coolant Leaking Sign In

He keeps pasting pictures that don't show. He's been asked numerous times for the year, make and model. I'm not playing a guessing game to try to him him if he can't be bothered.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 7, 2014, 6:10 AM

Post #10 of 10 (1172 views)
Re: Coolant Leaking Sign In

Same here. Gotta go and no time for it now,


T







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