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| cant get my thermostat housing off... https://www.ausmini.com/forums/viewtopic.php?f=2&t=48717 |
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| Author: | mattsmadmini [ Fri Dec 26, 2008 7:57 pm ] |
| Post subject: | cant get my thermostat housing off... |
any ideas? it looks to be pretty well set onto the head, and im really needing to change the thermostat in it at the moment but am having chance in buckleys trying to get the damn thing off! any ideas would be most welcome... |
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| Author: | carter [ Fri Dec 26, 2008 8:00 pm ] |
| Post subject: | |
an idea if you cant get it off with your hands would be a flat nose screw driver carefully id say once you break the seal that first bit the rest should come off by hand....thats what i would do any way. |
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| Author: | Morris 1100 [ Fri Dec 26, 2008 8:07 pm ] |
| Post subject: | |
The alloy thermostat housing and the steel studs do not like each other. 
The resulting corrosion can lock the housing to the studs. When this happens they can be almost impossible to get off without braking the housing or the studs (or both) I have had this happen. Lots of WD40 (or better) and maybe a bit of heat. Be carefull and have spare parts on standby. |
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| Author: | bigjobs [ Fri Dec 26, 2008 8:10 pm ] |
| Post subject: | |
2 rules of diy mechanics. rule 1, if it doesn't move and should use wd40. rule 2, if it does move and shouldn't use duct tape. |
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| Author: | drmini in aust [ Fri Dec 26, 2008 8:18 pm ] |
| Post subject: | |
rule 3- if all else fails use anglegrinder, cut vertically, next to studs. Fit new housing, they are cheap. I use 3 Unbrako bolts now not studs, when you undo them any corrosion gets broken away. I dip the bolt threads in #3 gasket cement, it stops them rusting. Old outboard mechanics trick. 
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| Author: | gafmo [ Fri Dec 26, 2008 8:25 pm ] |
| Post subject: | |
take the Studs out. Double Nut them and lock them together and remove each stud and you should have no troubles
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| Author: | awdmoke [ Fri Dec 26, 2008 8:33 pm ] |
| Post subject: | |
As the Doc said, angle grinder + BFH 
If it was that corroded you should be replacing it anyway |
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| Author: | i got a mini [ Fri Dec 26, 2008 8:45 pm ] |
| Post subject: | |
well what i would do is grab a hammer and smack it fair in the middl so it splits then from there on smooth sailing but only do that as a last resort try spliting from the head with a screwdriver or a cold chisel if u have one 
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| Author: | Boyracer [ Fri Dec 26, 2008 8:54 pm ] |
| Post subject: | |
If you do try to get it off in one piece, don't be afraid of tightening it a wee bit to break the seal. You can go backwards and forwards, each time loosening it off a little bit further as you go. Hope that all made sense. That's what the mechanic did on another car of mine. The bolt had been in the alloy water pump housing for 34 years before we came along and decided we wanted it out. Nothing was broken in the process, but it did take quite a bit of time and a lot of patience to get it out. |
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| Author: | mini-dunger [ Fri Dec 26, 2008 9:54 pm ] |
| Post subject: | |
awdmoke wrote: As the Doc said, angle grinder + BFH
If it was that corroded you should be replacing it anyway what kinda bit are you using there awdmoke? |
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| Author: | awdmoke [ Fri Dec 26, 2008 10:13 pm ] |
| Post subject: | |
Tungsten carbide tipped alloy blade. Great for cutting alloy bar & sections. Not really necessary for that kind of hack job, but makes fast work of it. |
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| Author: | DTrain [ Sat Dec 27, 2008 2:00 am ] |
| Post subject: | |
bfh i say  show that sucker whos boss!
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| Author: | niffty64 [ Sat Dec 27, 2008 6:37 am ] |
| Post subject: | |
I had a slight corrosion problem on mine just needed lots of wd40, hammer, screw driver and a lot of patients
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| Author: | 9YaTaH [ Sat Dec 27, 2008 9:31 am ] |
| Post subject: | Stop! :-) |
niffty64 wrote: I had a slight corrosion problem on mine
just needed lots of wd40, hammer, screw driver and a lot of patientsThe last thing we need is another patient!! 
The patient application of WD40 and some gentle tapping around the side of the thermo housing with (say) a brass drift usually frees up the stud and corrosions grip on the housing. |
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| Author: | bruce k [ Sat Dec 27, 2008 10:19 am ] |
| Post subject: | Can't get my thermostat housing off |
Try using laundry "Preen", it unsticks things like nothing else. 
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