If you only have a teaspoons worth of coolant on the manifold, remember to clean it off as it wont evaporate as easily as water most coolant is antiboil as well as antifreeze, you could just be looking at the remainder of the leak. Ive switched hoses, but regrettably had to use an aftermarket hose. I used an aftermarket bs4 oring, not an original bmw part. You might find antifreeze leaking from the recovery tank hose. That can be caused by a cracked engine block, a cracked head, or a leaking head gasket. Main reasons your minis thermostat housing leaks mike. There isnt a gasket, you just lay a bead of rtv in a groove thats in the thermostat housing and bolt it together. If you have coolant on the top of the engine it could be a leaky thermostat housing or a leaking. What i would suggest at this point is to remove the housing, inspect it to make sure nothing is cracked, then then reseal it. I cannot get my thermostat housing to stop leaking. Of course, the housing comes as one unit, so you have to replace the whole thing. Upon close inspection, where i had to remove throttle body, i noticed a hairline crack in the area where the screw is. How to fix repair leaking thermostat housing ford 460 big block duration.
With that said, while youre addressing the leak from the thermostat housing you should be aware of this common problem area. The most common engine you find in these automobiles remains the 1. How to fix repair leaking thermostat housing ford 460 big block. Where the water pipe goes into the thermostat housing, there is an oring around the pipe that may be leaking. Thermostat housing repair cost ford fiesta club ford. The replacement of the thermostat and gasket is the most prevalent fix.
Once i put the housing back on and started the engine, it was leaking out in one little area, like creek style off to the right over the oil filter. If its leaking at the bottom as all the ones ive encountered do then the orings could be to blame or a cracked housing. I have put in new thermostat and gasket and it is still slightly leaking around lower left side of housing. I had the same issue on 20 jk, coolant seepage around the bleeder screw on the thermostat housing. While mini coopers are known to be highquality vehicles, they have been known to experience coolant leaks. I also put sealeant inbetween the housing and intake. I suspect that coolant is leaking from that oring and coming out right where you are seeing it. This is essentially the tube formed by the thermostat housing. Thermostat housing cracked and is leaking on a 2001 ford fous. Im working on a 79 mustang with a built up motor and its leaking coolant at the thermostat housing.
The problem stretches back to the 2010 chevy cruze models and weve seen them on the 2016 models as well. Thermostat housing cracked and is leaking on a 2001 ford. It doesnt look like the block itself is cracked as coolant only looks to be coming out the side of that piece. It can withstand both heat and exposure to water and coolant better. What would cause the thermostat housing not only crack but, a chunk blew off and of course spewed antifreeze all over. There is no said gasket just the rubber ring gasket that seats around the lip of the thermostat which in turn sits in a stepped depression and surrounded by the outer flat edge of the waterpump and housing assys. Either i did not install the thermostat gasket right or this housing is crap. I know it overheated but what would be the root cause. Before we get to how to fix a coolant leak, lets talk about why it is important to fix your leak quickly. It is weeping quite a bit around the seam where it joins the intake. Cant get coolant to stop leaking around thermostat housing.
Reasons for thermostat leaks in minis posted on december 3, 2018 by wpcars. Ive read where the thermostat housing cracks but i. Clean the housing inside and out with carburetor cleaner and a rag. That leak might cause some to overtighten the bolts holding the. When i first noticed a leak i just decided to replace the thermostat while in there. For more than a month, i have been noticing coolant leaking from the thermostat housing. Replace the thermostat housing, stop that leak and see what happens next. We provide more information about it at the end of the article.
Yeah the chrome steel housings are also next to impossible to stop from warping when you bolt them an alloy manifold, horrible idea. Once it is low, there will not be enough coolant to keep your engine at the normal operating temperature and the engine will overheat. The kit will include the lower thermostat housing, lower thermostat housing to engine gasket, upper thermostat housing, upper thermostat housing. Thermostat housing leaks coolant thermostats charger leak.
I need opinions on the fix for this leak at the thermostat housing. Place the thermostat housing upside down in a bench vice. Place a flat file over the thermostat mounting surface and gently file down the seat edges until bare metal shows. So my lower radiator hose wont stop leaking where it meets the fitting toward the motor. Anyone else have had problems with their thermostat.
The 2015 audi s3 has 1 problems reported for coolant leak at thermostat housing. Thermostat housing leak for a bodies only mopar forum. The cost of repairing the thermostat housing is very minuscule in comparison to some of the damage that can be done to your mini cooper over time if you do not rectify the situation in a timely manner. Ford uses a twopiece hard plastic housing non metal and if you insert the oring before the thermostat then it will leak. To me, it looks like a gasket issue but i know there is no gasket from the factory. Thermostat housing wont stop leaking for a bodies only. Plastic intake manifold may crack causing coolant leak.
So, i reopened the housing, replaced the new thermostat for the original thought it might be due to the nonbmw thermostat i used and replaced the oring on the cover. Hi all, was wondering if i could have some input on the price i was just quoted on my fiesta mk6 1. White steam, on the other hand, means that water is getting into the combustion chamber. How to fix a leaking thermostat gasket it still runs. Go to pick n pull, grab a new housing, throw it on with just rtv, leaking. So when my car started overheating, i did my normal checkout, found out my fluid was leaking, i ruled out bhg just because the signs werent there.
These are notorious for separating at its bonded locations. Is my thermostat housing cracked and i just cant see it. Youre starting to see lots of customers complain about problems and symptoms stemming from a low coolant situation. At first i thought it was the hose, but after getting it all dried off and getting some light on it, i discovered it is actually coming from the connection the hose goes on, about 14 from the hose. The gaskets overtime become hard and lose the ability to seal the coolant passing by the thermostat.
Hello, i replaced the thermostat and oring a few weeks ago and have done so about 2 other times, but still get leaking. I have tried two different types of gaskets, two gaskets along with gasket sealer, and then i just went back to one factory gasket. Drain the coolant from the radiator petcock, not fully, just enough to get the coolant level below the thermostat housing. Thermostat housing replacement cost repairpal estimate. Hello everyone, first let me say i am the newly proud owner of a 79 capri rs, 302 2bbl,3 speed od, body is straight and motor is strong, the probelem im having is that the gasket was leaking on the thermostat housing so i wanted to fix it. The thermostat gasket is most likely what is causing the leak. Theres an additional area leaking coolant on the chevrolet cruze. The housing and intake had been powder coated previously, but i stripped both down to bare metal. If your car is leaking coolant, it will run normally until the coolant level gets too low. Replace your old, cracked or leaking thermostat housing with a high quality austekk aluminum thermostat housing. What are the symptoms of a bad engine coolant thermostat housing.
Top 5 reasons why your car is overheating duration. Thermostat housing leak 1990 to present legacy, impreza. I have a chrome one as well and i had a devil of a time trying to get it not to leak. This is a how to video on changing the thermostat housing in a 2003 mercury mountaineer 4. After researching, i found that the thermostat housing likes to go out, in my case due to an oil leak from shitty valve cover gaskets letting the hot oil drip on the cheap plastic housing. After finding yet another coolant leak on the sonic, the fourth in two years, it was found that this time the thermostat housing had cracked. Just wanted to follow up, you guys were right per usual and it was in fact the thermostat that was leaking. If you look at pic 1, i highlighted the oddly shaped o ring. The thermostat housing is a square plastic block that is bolted to the cylinder head. I figured i would throw in a new thermostat while i had it open too, put it all back together with the newthermostat and gasket. I got myself a new thermostat and gasket, put some copper rtv on the gasket, and threw it on.
The 19972001 ford explorer v8 with a 100% plastic intake manifold is known for engine overheating, even with normal use, and a coolant leak from the front of the manifold. Reasons for thermostat leaks in minis louden motorcar. Learn how to fix a cars thermostat housing with expert automotive tips in this free online car maintenance and repair video series. I started to have coolant leaks from the thermostat cover. On the side where the block contracts the cylinder head, around the coolant hole. I wrapped it around the thermostat like the old one was.
Finally after trying this and that i bought some permatex 2 form a gasket sealant and put a nice coat on both sides of the gasket and mounted. Some of the older models of minis are known to experience radiator and thermostat housing leaks, but the most common problem with a coolant leak in a mini cooper. Zabteck performance austekk aluminum thermostat housings. What can cause the thermostat housing to crack or leak oil. It could also be a crack in the plastic structure of the thermostat housing which is causing the leak. Ive been looking online and i think the thermostat housing is actually the part that sits on top the thermostat itself. The part which is cracked on my gt is where the thermostat sits inside of. Mercury grand marquis questions i have a 2000 grand. The chevy cruze coolant leak is a problem on the rise. On the side where the block contracts the cylinder head, around the coolant hole, theres a groove machined into the plastic that contains an oring, that seals that surface. This was identified by the dealer and another mini specialist mechanic. Tacomas 19952004 started by fujimori17, nov 24, 2015. You could put a light dab of sealant in the lower stepped portion if you like. If it is leaking at the seam which connects the upper to the lower parts of the housing then the housing would be the culprit.
263 1563 367 589 945 916 827 1443 907 531 328 507 193 859 785 1018 1358 160 1264 1243 1624 1608 534 1554 631 595 421 304 1310 887 1084 1232 544 829 662 1024 18 1259 902 736 60