thermostat housing bolt broke

[konartis]

I was taking the thermostat housing bolt off to replace the thermostat and seal and one of the bolts broke off. My question is, can I just use the one bolt and silicone around the other side until I get a completely new housing? Thanks in advance.

 

[imported_raymond2688]

Re: thermostat housing bolt broke

i dont think you want to do that but not knowing the engine type not much advice can be given. I had that happen to me and i used a heli coil fairly easy to do and holds well.

 

[Don S]

Re: thermostat housing bolt broke

No!

 

[konartis]

Re: thermostat housing bolt broke

Sorry. It is a mercruiser 3.0 with the alpha one drive. It is on a 1987 invader.

 

[Don S]

Re: thermostat housing bolt broke

It doesn't matter what engine, you still need 2 bolts to hold the thermostat housing on.

 

[konartis]

Re: thermostat housing bolt broke

Here is a pic to show my problem. Im sure the answer is still no but pics help out alot because I may be describing it wrong. Either way I have a friend that runs a machine shop. Im going to have him drill it out and retap it.

 

[Dakota47]

Re: thermostat housing bolt broke

Try a easy out, or drill & re-tap the threads.

 

[thumpar]

Re: thermostat housing bolt broke

Put some penitrating oil on it and let is sit overnight then try to pull the broken part out with an easy out or similar.

 

[Wotknot]

Re: thermostat housing bolt broke

Now THAT is a "PB Blaster" job if there ever was one. Run down to your closest Wally World and pick up a can.....you won't be sorry. That is some good stuff. As mentioned, soak it overnite, then use an ease-out. No, I don't work for the company, just know it's some good sh~t.

 

[thumpar]

Re: thermostat housing bolt broke

Now THAT is a "PB Blaster" job if there ever was one. Run down to your closest Wally World and pick up a can.....you won't be sorry. That is some good stuff. As mentioned, soak it overnite, then use an ease-out. No, I don't work for the company, just know it's some good sh~t.

That is the name I was looking for and was too lazy to go look at the can I have. It really is good stuff.

 

[chiefalen]

Re: thermostat housing bolt broke

You could soak it in pepsi-cola. I know sounds crazy. We used it in the Air-force all the time. Soak it overnight.