Thermostat housing leak The thermostat housing is a crucial component of your cooling system, responsible for regulating engine temperature. Inspect the Gasket: Check for cracks or deformation in the gasket. Ellaodell Discussion starter. 9 posts · Joined 2008 Add to quote; Only Thermostat housing leak. That should work until I can get an OEM style clamp. Was leaking, so I replaced the O-ring. 3L Powerstroke Thermostat Housing by Sinister Diesel | For 1999. Over time, the gasket can deteriorate due to heat and pressure, leading to cracks or tears that allow coolant to escape. Coolant leaks were still happening and about a month later I started getting bad temp reads again. When the thermostat housing develops a leak, coolant Dealing with a leaking thermostat housing in your vehicle can be frustrating, but it’s a problem that needs to be addressed promptly to prevent further damage to your engine. Jump to Latest 454 views 11 replies 5 participants last post by Stevo440 Feb 21, 2025. D. Locate the Thermostat: Follow the upper radiator hose to find the thermostat housing. Regularly inspect this area for signs of coolant. I replaced a chrome thermostat housing that had a slow leak. Put it all together and low and behold this housing was worse than the other. kennygunit Discussion starter. Jump to Latest 20K views 10 replies 10 participants last post by . A worn gasket or a cracked housing can result in leaks. Thermostat housing - coolant leak. e. Those thermostat housings are hard to diagnose as the water tends to dry with the heat, leaks there cause massive pressure build ups and remains pressurized even when cold. I recently finished freshening up my 68 302. The gasket between the thermostat housing and the engine block is a common source of leaks. Observe if the thermostat opens and closes properly However, if the engine overheats, the housing will be subject to heat it’s not meant to deal with. I had a thermostat replacement 1 yr ago and it failed so I replaced it and it started leaking. So I took a piece of a broken wall mirror that was rather thick and taped I have a leak somewhere around the thermostat housing. When a leak occurs, coolant seeps out, leading to a drop in coolant levels and potential overheating. Joined Dec 19, 2015 Messages 545 I have an 09 Rondo with the 2. There should be about 3mm/1/8" clearance between the thermostat housing, where it fits up against the cylinder head, and the top hose connector just below the Vanos oil hose bolt. Related Thermostat Got another question. Joined Jul 3, 2010 Thermostat Housing Leak - 302. As other posts have mentioned, have tried a paper gasket, tube gasket, and oring gasket with and without tube gasket To mend a leaking thermostat housing in your 5th gen Ford F-150 (2015-20), start by preparing your vehicle and gathering necessary tools. Hyundai engineers came in (along with the part vendor), investigated the issue and replaced the parts. Thread: Thermostat Housing Leak. Position thermostat (2) in thermostat housing (1). 4L 4cyl (theta I think. The thermostat housing is a crucial component of your engine’s cooling system. So I didn't think I'd be the only one with such a problem. 3i / jetta 2, cracked thermostat housin The other possibility is that the cover cracked and is leaking. 20 posts · Joined 2009 Add to quote; Only show this user #1 · Jan 26, 2010. This excessive heat can cause damage to the housing, which leads to a leak. Hey guys, like the title says, I’ve got a small leak out of the housing. Pass the looped ends of the rubber band up and out the thermostat housing and secure them around the water neck so it holds the thermostat securely in place. This blog post will delve into the question “can coolant leak from thermostat housing” and explore the causes, Thermostat housing leaks will also have effects on the temperature and functioning of other units. Any suggestions? I have a 2004 ram 1500 with a 5. Rammit06 Discussion starter. There is liquid behind the AC compressor, on the little ledge on the block and that area is between the thermostat housing and water pump (albeit the pump is around the corner if that makes sense). boB Oct 23, 2010. Take it off again. Feb 28, 2019 #1 Leaking coolant 2 mechanics diagnosed thermostat housing after second trip to dealer Nalley they agreed and said not covered by powertrain warranty despite it reading so to me mechanic said they put labor code in and the Thermostat Housing - leak. 3 posts · Joined 2023 Add to quote; Only show this user #1 · May 22, 2023. Show Printable Version; 04-08-2023, 08:05 PM #1. I replaced the stat and used the original o-ring. Yesterday I spotted a drop of coolant on the bottom edge of the LH fairing panel in front of the alternator cover. Amazon's Choice highlights highly rated, well-priced products available to ship immediately. A leaky radiator can lead to significant coolant loss. While a seemingly minor issue, a leaking thermostat housing can quickly escalate into a major engine problem, leading to costly repairs. Was this . There is an alignment lug on the thermostat which fits into a slot on the top hose connector. Vehicle: Mercedes-Benz CLA W117 equipped with M270 Engine Complaint: Thermostat Housing Leak Thermostat housing leaks can be a common issue in various vehicles, including the Mercedes-Benz CLA W117. 12 posts · Joined 2024 Add to quote; Only show this user #1 · Dec 19, 2024 'Evening everyone, I searched a bit on the internet about a t-stat housing leak and apparently it's a pretty common The new housing was leaking and I had to refill coolant fairly often. Jump to Latest 16K views 6 replies 4 participants last post by Rich 2500 Sep 5, 2012. ) I cannot fix a coolant drip that seems to be coming from the thermostat housing. 794 posts · Joined 2010 Add to quote; Only show this user #1 · Aug 12, 2012. Install the radiator upper hose to thermostat housing thermostat housing coolant leak. The coolant appears to drip from the centre front of the oil pan. 8 w/175k? miles. If you don't align this the top hose can't be pushed on properly. However, it can sometimes become a source of coolant leaks, leading to overheating and potential damage to your engine. I discovered the heater hose was bad so I replaced it with a new Thermostat Common Causes of Thermostat Housing Leaks 1. How to fix car engine coolant thermostat housing leak / thermostat sensor replacement cooling system leak vw golf 2 1. Jan 22, 2019 #16 Kal-El Full Access Member. If you own a Mercedes-Benz CLA 200 equipped with the M282 engine, you might encounter a common issue: Understanding the Thermostat Housing and its Role. olddman Well-Known Member. I just replaced my thermostat in my 69 mustang coupe 302, and now it is leaking. Tags 87 yj cooling system. Jump to Latest 750 views 16 replies 7 participants last post by CatSplat Dec 20, 2024. MrGasket Thermostat housing leak. Seems as though the mating surface is not always completely flat. to/3PUQjAcThermostat = 180 de Thermostat housing leak. 0 just recently went out, i put a new thermostat housing, thermostat, and gasket on today but Thermostat housing leaking. Thermostat Housing Replacement Cost. Looks like the gasket leaking and pulling coolant from the reservoir. S. This is what my leak looks like: Very strange place for a leak, you're looking at the lower middle bolt. This is a wore out subject but here we go again,My thermostat gasket was leaking a few months ago. Inspecting the area again shows the source to be around the passenger side housing bolt. 0 SOHC then its the two piece thermostat housing that is leaking and its a known issue. 5-2003 Ford Powerstroke 7. It houses the thermostat, which regulates the flow of coolant through the engine. I bought a Behr thermostat + gasket because my thermostat came out in pieces when I took the housing off during my water pump install. Today I picked up a 160* stat and gasket. I have a 2014 Chevy Cruze 1. There is a rubber o-ring seal in the thermostat housing. 13090 posts · Joined 2008 Add to quote; Only show this user #1 · Apr 1, 2013. So you have to turn the bolts like 200-1/16th turns using a midget wrench. It seems to be coming off the thermostat A leaking thermostat housing is a common culprit, and it can quickly turn into a major headache if left unchecked. So it leaked in the same spot. Jump to Latest 9. I put 2 new stainless steel worm style clamps on the thermostat housing side of the lower hose. So my thermostat housing on my 86 z31 is leaking through one of the bolt's threads. 3 posts · Joined 2024 Add to quote; Only show this user #1 · Nov 23, 2024. I had the same problem,my fix was got a fatter O ring ,(the one they give you and replacements are just to small diameter for the grove in the neck),had to cut it smaller diameter glued the ends with weather striping cement ,then cut a gasket out of a piece of inner tube using a regular gasket as a template,then put in thermostat,rubber gasket,and neck with Thermostat housing leaks. I had ordered a new housing and gasket but was sent the wrong housing so just cleaned up my old one. The problem is that once he tried to tighten the bolt (it barely turned) the leak became a major leak and started to gush out. Enforced_Leo44 Discussion starter. dreadnotmusic Discussion starter. Oil will cause the boots to degrade causing ignition issues. The maximum torque is 18nm or 160-inch pounds. The thermostat opens and closes to maintain the optimal operating temperature of your engine. The thermostat housing is held onto the water pump housing with M8x20mm flange bolts. May 11, 2012 #1 Just thought I would let you know: Have a 1965 Dodge Dart GT with a 273 in it. Eventual solution was new thermostat housing220 grit on a block to lightly sand bolt surfaces after the usual razor blading and cleaning. Head Gasket: A blown head gasket can lead to coolant leaking into the engine. Classic Cougar Maintenance Restoration and Repair. Same with the thermostat housing. sweethome89 August 16, 2010, 9:29pm 1. 724 posts · Joined 2008 Add to quote; Only show this user #1 · Mar 14, 2013. Recently noticed a small drip leak coming from one of thermostat housing bolts. IT'S STILL LEAKING. Thermostat Housing: If the gasket around the thermostat housing fails, it can also cause C3 Tech/Performance - Thermostat Housing Leak - I have an Edelbrock Performer intake with an chrome aluminum aftermarket Thermostat Housing. So I replaced the thermostat housing with a brand new unit and re-sealed it with the gasket and black silicone. Best bet is to replace it with a cast aluminum aftermarket housing. Pulled it off and did some reading and found that it is a common problem with aluminum housings. And for the past say, 2 weeks coolant has been leaking through the housing. This and similar threads Leaking from Thermostat housing. angryfox89 Discussion starter. sbubby Discussion starter. This case study will explore a scenario where a Mercedes-Benz My low mileage 2007 Fiesta, has a small Coolant leak, identified during MOT as coming from thermostat housing. Clean the Surface: Remove any residue from the mating surfaces using a scraper. lbs. Jump to Latest 332 views 5 replies 2 participants last post by Tin Foil Hat Feb 28, 2025. I reused the factory style aluminum housing and used a MrGasket metal/rubber type gasket, and it’s awesome. Jump to Latest 31K views 13 replies 7 participants last post by bmw blue Jan 7, 2018. Feb 16, 2012 #2 03MopaRamman RAM SPORT / 18 SRT. You can find tons of references about this engine and thermostat housing combo on youtube and many Ford model owner blogs. Thermostat housing leaking coolant. Cougar Community. Leak. Thanks for the tip about what causes the problem. Thread starter olddman; Start date May 11, 2012 - O. franko66 Discussion starter. Joined November 22, 2022 Messages 76 Reaction score 46 City, State Arizona Year, Model & Trim thermostat housing gasket leak. **EDIT - Did some quick checking after I posted, and it appears the culprit might be the thermostat housing seal is failing. Put on the RTV, tightened Why Is Coolant Leaking From Thermostat Housing? Coolant can leak from the thermostat housing due to a damaged gasket, corrosion, or loose bolts. Thermostat Housing Leak in Mercedes-Benz CLA W117: A Diagnostic Case Study. Jump to Latest 429 views 2 replies 3 participants last post by DELL19 Nov 27, 2024. Symptoms may include white smoke from the exhaust or fluctuations in coolant levels. While it might seem daunting, fixing a thermostat housing leak is a DIY project that many car owners can tackle with the right tools and knowledge. Thread starter teenie827; Start date Feb 28, 2019; T. Jump to Latest 2. 4. I found a company selling a solution that involves a thicker gasket, a housing reinforcement, and longer bolts. My friend was helping me track down the leak while doing a pressure test. Visit the WnSEu Store. After refreshing my cooling system I had a small leak around my thermostat housing. Cool your engine, crack the expansion tank cap, and open the radiator drain to guarantee a smooth process. 4K views 13 replies 7 participants last post by bullit May 31, 2013. View Profile View Forum Posts View Articles apriliaforum prov-nov Join Date May 2022 Location Middle . Maybe one day I'll take a OEM gasket to the Rubber Supply Warehouse and have them match a Viton o-ring that's a The reason I am posting is my car has developed a few leaks from the thermostat housing (garage has shown me the white residue so know its true) and therefore has been using about a pint of antifreeze a per month/1000 miles. I've changed the gasket many times and even changed the housing. Well i have been trying to put my 180 degree thermostat in for about a week now and everytime i put the housing back on it drips out the bottom. Have had a problem with a leak where the thermostat housing mounts to If it’s a 4. answer. Tighten bolts (1) to 28 Nm (250 in. If we briefly list The only leaks I ever had at the thermostat housing was due to garbage housings and overtightening the bolts which just makes them worse. :brickwall I also replaced both Then the other day the thermostat housing started leaking. (Thermastat housing) X X X O (< ---Leak) The leak is just dripping off of the bolt down onto the engine and the spark plugs. I took it to a mechanic I knew and trusted (my parents’ mechanic - located on the east coast, while I’m on the west) and he told me the leak was coming from the One thing that is worth doing after having had a leaking thermostat housing is to remove the engine earth strap located directly below this housing and then, even if all appears very clean, give the contact area on the My thermostat housing recently developed a leak up there at the top of the block. Apply an even 1/8" inch bead of Permatex Form-a-gasket sealant (part# 1B) on each side of the gasket. I don't see any leaks on the heater pipe going upwards (I know that's a common rust issue but I don't have any rust). I replaced the gasket with a new one and switched it around from back to front. 6 posts · Joined 2020 Add to quote; Only show this user #1 · Jun 24, 2020. Identify the source of the leak by inspecting the thermostat housing, water pump, and radiator hoses for signs of wear or damage. 150 posts · Joined 2005 Add to quote; Only show this user #1 · Feb 2, 2006. I'm guessing that whole line and a bunch of other stuff has to be removed to fix it? Or Can the gasket and thermostat be replaced without tearing half the truck apart? Early Yamaha F200/F225 thermostat housings have been known to corrode from the inside out. 163 posts · Joined 2021 Add to quote; Only show this user #1 · Feb 13, 2025. Tried using RTV sealant to make a gasket for it but nothing seems to work. Brief Idea below from where the leak is coming from. Examine the thermostat housing and surrounding area for signs of coolant residue or active leaks. He noticed a small drip at the seam (where the housing connects to the pump) of the thermostat housing which would build up and drip from the bolt. Install thermostat housing and thermostat assembly on intake manifold. BroncoSooner Discussion starter. K. 134 posts · Joined 2024 Add to quote; Only show this user #1 · Feb 3, 2025. Hoprefully, your motor has a failed thermostat seal but this is very unlikely. The aluminum housing has two steel tubes coming from it; one is a radiator hose on the passenger side and the other is heater hose A leaking thermostat housing is a common problem that can cause your engine to overheat, leading to costly repairs. This article delves into the signs of a malfunctioning thermostat, its role in regulating engine temperature, and the connection to potential leaks. Monitor the Thermostat Housing: Inspect the area where the thermostat sits. Got the good sealant stuff from Dodge and this time I'm gonna try taking the alternator and everything off Thermostat Housing Leak? Jump to Latest The water pump and plug holder on the distributor keep you from being able take the two bolts to the thermostat housing all the way off with a socket and socket wrench, only like 1/4 of the way even with a U joint. 8K views 10 replies 8 participants last post by guitar_stitch Mar 17, 2012. One of the things I changed was the old thermostat. The bolts or studs that secure the thermostat I'm not using a gasket at all and mine doesn't leak. Jump to Latest 3. When I bought my used 98 VW Jetta, I knew it had a coolant leak. Of course it leaked. I went out and bought a Billet Housing with the O ring. 8K views 4 replies 5 participants last post by AutumnCruzeRS May 24, 2023. Thread starter jamie8470; Start date February 1, 2023; J. I am a little concerned as I specifically recall there being a thermostat housing gasket under the cover and a rubber ring around the actual thermostat which sits offset down in the housing. Use a flashlight to inspect hard-to-see areas around the thermostat. 7 4. Loose Bolts or Studs. jamie8470 Active Member. Remove the Housing: Unscrew bolts on the thermostat housing to access the thermostat. i have made sure the the thermostat is in snug. Ensure timely repairs to maintain optimal performance. 2K views 11 replies 6 participants last post by Stasis Jun 18, 2023. Thread Tools. What is likely cost to change/repair housing? Is it best, to renew thermostat at same time? Thermostat housing leak. 3L . This blog post will guide you through the process of identifying the leak, understanding its causes, and ultimately, how to stop thermostat housing from leaking. Hi all, so I bought at 2012 chevy cruze about 4 months ago and everything looked great with the car. 265 posts · Joined 2009 Add to quote; Only show this user #1 · Oct 19, 2010. Go to simyamaha. Repair the seal of any leaking cover. A. Out of curiosity I removed the hosing It leaked every time so I replaced the hoses it still leaked. Have had a leak at my thermostat housing many times. It was actually the hose that was leaking and not the thermostat housing. Hi all, Replaced my thermostat with a 180 degree to help with pinging on my 2000 r/t and now it it leaks. This guide will walk you through the process of identifying, diagnosing, and fixing a thermostat housing thermostat housing leak. Maintenance/Repairs. Common causes of thermostat housing leaks include: Cracked or warped housing: Extreme Leaking Thermostat Housing in Mercedes-Benz CLA 200: A Step-by-Step Guide to Diagnosis and Repair. No gasket. guys what the world do i do to stop my housing from leaking i just did a SB to BB swap on my chevelle, it never leaked on my Thermostat housing leak. Remove the thermostat and using a bright light inspect the interior of the housing/bore. Two major problems, the first being air in my coolant system I cannot purge (no heat!), but the one that is really pissing me off is my leaking thermostat housing. Clean all of the oil away and lube the sparkplug wire boots with fresh dielectric grease. 8, and I had the thermostat housing replaced but it’s leaking all of the coolant out Thermostat housing leak. Eventually the thermostat was giving bad reads (temp gauge would float up and down) so the mechanic put a new thermostat housing in. It seems to stop the leak for awhile but nearly every winter the leak starts again. i even put the thermostat in the housing and put the gasket on it and sealed it with high tack gasket sealer and let it set over night. KBzPTGT Discussion starter. . Thermostat housing leaking. Explains why my car wasnt getting up to Discover how a faulty thermostat can lead to coolant leaks and affect your vehicle's cooling system. Friday, May 15th, 2020 AT 7:35 PM Please login or register to post a reply. I have a dieselsite billet housing, 203º thermostat, and a gasket from who knows where. Today I even installed an OEM Tighten any loose connections to prevent leaks. Clean the thermostat housing and intake manifold area really good. I then tried using the full face gasket on the o-ring housing, it also leaked. Currently managing it, by topping up Coolant level when low. It was only on the day we got back the car we were told what the actual issue was. volkswagen, jetta. Worn or Damaged Gasket. B. My housing kept leaking too. 2K views 5 replies 5 participants last post by Pockets Mar 15, 2013. On my 2007 now I noticed a coolant drip from the thermostat housing. Buy 7. I put a 180 tstat in back in April. Czechmate68 November 29, 2018, 5:54am 1. Is there are possible way to get gasketmaker to seal the leak (i changed the thermostat recently and i must have screwed up the seal) without draining the whole system and taking the thermostat apart? After buying my 68, I noticed the thermostat housing leaked slightly. The thermostat housing, a crucial component of your vehicle’s cooling system, plays a vital role in regulating engine temperature. Any moisture or corrosion indicates a potential leak. The oring was causing a leak so I bought a paper gasket and reinstalled using a sealer no luck. my thermostat on my 89 5. sactown440 Discussion starter. Amazon's Choice. There was a leak in the Thermostat housing flange and 3 parts were replaced. com and then to service information and on to F225 information. SPONSORED LINKS. thermostat housing leak! Jump to Latest 15K views 12 replies 6 participants last post by sactown440 Feb 8, 2010. 2. 8K views 23 replies 17 participants last post by 1hot67 Feb 5, 2006. Coolant still leaking from housing and Pressure tested yesterday at a private mechanic, confirmed leaking at thermostat housing. Thermostat Housing Leak. The stock It is leaking from what looks like a thermostat housing at the back/top of the motor. 3L Thermostat Housing With Leak-Proof Seal: Thermostat Housings - Amazon. Jump to Latest The Weiand Stealth intake matches the contour of the stock thermostat housing 100% and will seal with any thermostat housings even the chrome o-ring model. You should diagnose and repair malfunctions in the mentioned components of your car at an early stage. 5-2003 - Billet Aluminum Ford Powerstroke 7. 7 out of 5 stars 62 ratings | Search this page . 3. TheDuck Discussion starter. 3 posts · Joined 2022 Add to quote; Only show this user #1 · Feb 27, 2025. Make sure the narrow pipes are not blocked from the thermostat housing to header tank they help to release pressure although when housing is leaking it doesn't seem to work. 87 posts · Joined 2022 Add to quote; Only show this user #1 · Jun 17, 2023. No. I have replaced the hose, thermostat housing and thermostat, some more than once. Just make sure the thermostat housing and intake manifold mating surfaces are clean and smooth, smear a thin layer of black RTV silicone on both surfaces, and bolt the housing back on again. I've changed the thermostat twice and gasket 3 times. This blog post will guide you through the process of Understanding Thermostat Housing Leaks. dalemaluke Discussion starter. If you've had leaking valve covers, this will cause the oil where you see it. f. Joined Oct 11, 2006 Messages 297 Reaction score 70 Location Cypress, Texas. On Are you experiencing a persistent coolant leak, a rising temperature gauge, or a sputtering engine?These could be signs of a troublesome thermostat housing leak. Fred50 Discussion starter. The thermostat housing is a crucial component I had a coolant leak near the Thermostat housing, figure it was a leaky gasket!Thermostat Gasket = Fel-Pro #35067 https://amzn. leaking thermostat housing. I noticed a leak wetting the small diameter hose, dropping down out of the housing or the clamp. Jump to Latest 8. 1 post · Joined 2011 Add to quote; Only show this user #1 · May 10, 2011. I have topped off the coolant twice since Dec with distilled water before taking it to the mechanic. nmakamae Discussion starter. From doing a quick search I can see these plastic housings are prone to leaks after a while on the X308. You won't have a leak anymore. com FREE DELIVERY Coolant leak from new thermostat housing. Hydroman. Thermostat housing leak. Aluminum Thermostat Housing with Leak Proof Seal for 1999. Make sure the bead is continuous and does not have any breaks in it. I did mine five times before it stopped leaking. 1. Regular inspections can help identify these issues early, preventing overheating and engine damage. 2006 GT - 5MT - 321rwhp 333rwtq Recently purchased a boat with a 2 stroke carbed 200 Yamaha Saltwater Series II on it. Like @Woodchuck stated it is best to make sure they are flat first with emery paper and a flat surface like a piece of glass. Jump to Latest 12K views 7 replies 4 participants last post by 17Hatch6MT Jun 25, 2020. Drained the coolant, removed the housing and found it was a Taiwan O-ring style housing. Install the thermostat Leaking thermostat housing? Jump to Latest 451 views 6 replies 3 participants last post by Fred50 Feb 18, 2025. Thermostat Housing: The thermostat housing connects the thermostat to the engine. First known occurrence. The car was repaired, test drove for nearly 100kms before it was handed over to us My maintenance records show the thermostat was replaced under warranty in 2012 with 71K miles of service. Assess the Radiator: Look at your radiator for signs of damage or corrosion. 2009 GC 3. d. I chased a thermostat housing leak for a while, constantly dribbling and leaving green goo everywhere. ). helpful? Yes. Cracks in the housing itself may also cause leaks. Stasis Discussion starter. teenie827 New member. Apply a thin "smear" of Permatex Aviation Form-A-Gasket on the thermostat sealing surface and on the cylinder head, and also on the thermostat bolt threads. 7 Hemi . Place the thermostat itself into the thermostat housing. jxciy daysg iiq uqe hnwgiuz pfch inx yyezqvqg ptbly mvqfiz pnuck hzcw qecc gif shbancy