Thermostat Housing Bolts Are Seized - troutfishingcr

Stubborn thermostat housing bolts CAT Jump to Latest Follow 1 - 11 of 11 Posts. A screw extractor will only cause the bolt to expand making the problem worse.

Upper Lower Thermostat Housing Iron Gaskets Chevy Inline 6 194 230 250 292

If it doesnt leak and youve got the other two bolts on tight then you should be okay.

Thermostat housing bolts are seized. Pull the housing off of the engine to expose the thermostat which looks like a small metal cylinder with a spring and 2 metal rings around it. Now replace the junk oem housing with the aftermarket metal one because those are super prone to cracking and leaking coolant. Engine Coolant Thermostat Housing Bolt W0133-2080056-OES by Genuine.

I finally got the D back from the friend who set my timing chains and all thank god thats over. Any weeping of coolant at the housing gasket will corrode the bolt weakening it while locking it in place. Find the seam wedge a screwdriver between the upper and lower halves and twist.

Possibly stuck bolts on thermostat housing of Chevy 305 engine. I found they stuck in the housing itself if its aluminum. Post Mar 03 2014 1 2014-03-03T1747.

SpeedRacer Junior Member. Grab the end of the thermostat and pull it out. Nobody likes water leaks.

Algoma56 Jul 19 2012. 20 kits found for Thermostat Housing Bolts. Thermostat Housing Bolt Stuck - posted in Problems Questions and Technical.

Use a socket wrench to loosen the bolts holding the housing in place and set them aside so you dont lose them. I went down one mm in size and tapped the ring end of a spanner on even then the bolt would not budge and then rounded again. Whelp heat didnt work.

Got the valve covers and a few misc items put on and then I started to put on the thermostat housing. The engine is the non. Trying to pull the t-stat housing also broke the bolt at the threads though.

Tapping the top of the bolt head with ball pein hammer loosend the corrosion as well. Hello there I went to replace my thermostat today and when I tried to remove the last of the three thermostat bolts the head rounded. Thermostat housing bolts are particularly vulnerable to corrosion and seizure due to their proximity to the coolant and the engine water jacket.

Help - stuck bolt on thermostat housing When dealing with steel bolts threaded into aluminum repeated light impacts on the head will convince the little gods that live in the area between the aluminum and bolt to let go of the bolt so that it will turn freely. Thermostat Housing Stuck and Bolts Broken 25 Diesel. If the bolts are badly seized you will need to drill them out completely but only up to the treads.

Theyre application-specific and come in your choice of black oxide finished chrome moly or rust-proof stainless steel. Without boring you with the details I needed to replace the thermostat. Heating the head of the bolt then trying ot wick some good penetrating oil down into the area helps.

Thermostat Housing Stuck and Bolts Broken 25 Diesel. Joined Oct 31 2009 26 Posts. You may have to do this in several places on the housing but the key is to get the housing out of the way including the pieces surrounding the bolt.

The bottom bolt went on ok so I started on the top and felt SNAP. This video will show you how to. Then you can apply heat or even grip the bolt with vise grips or a small pipe wrench.

It broke off with a little bit stuck out but I tried 3 different sets of vise grips to no. I would take it off again take the two bolts off and there is a really good gasket maker that you can just spray on--its made by Permatax and its called the right stuff just like that movie with Tom Cruise. These premium grade bolts are engineered to properly engage the manifold threads and resist loosening.

With a small sharp chisel crack the housing between the bolt head and the intake. Same result as cutting it off at least. I thought it was free and the head of the bolt came off.

Im trying to replace the t-stat housing to block gasket on a 2001 C-15 and the middle bolt will not break loose. 15 to 30 minutesNOTE. A left hand drill bit will unscrew a bolt if is somewhat free a corroded seized bolt wont unscrew that easy.

As far as anti seize is concerned I usually use the gray Permatex brand but Ive also heard it causes bolts to seizeI think the OEM recommended stuff to use is blue Loctite. Hi Rugchucker and the rest of you thanks for the welcome. It should open up.

I now replace these bolts with bolts from the water pump or intake manifold. Discussion Starter 1 Aug 27 2015. Now the head is as good as circular and the bolt has not.

If your engine cooling system is in need of repair dont compromise the performance and safety of your car with suspect off-brand replacement. Jamesonluttrell_154832 July 1 2020 220am 22. But here is what I would advise you to do.

Or if revilo is correct remove it all as one and chuck it. And heres ARPs contribution to the solution. Thermostat housing bolts seized If the bolts are that hard to get out replace them with new ones because the old ones will be fatigued.