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Author Thermostat Housing help 2.0l help needed
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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   21st Nov 04 at 13:20   View User's Profile U2U Member Reply With Quote

Right here goes this mornign I fitted a thermostat to the engine upon refitting everythibng and flushing the system I started the engine and the housing was leaking so I tightened it up and on of the 10mm bolts has snapped inside the housing what the hell do I do ?

Am I going to have to drill and retap or is it possible that the housing can just be replaced ? I see it connects to the block with a lager bolt does this mean a new thermostat housing can be purchased hopefully that can be done can anyone give me any ideas of what to do please I am desperate, Regards Paul...

[Edited on 21-11-2004 by Karnage Corsa]
myke
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Registered: 7th Feb 01
Location: High Wycombe, Buckinghamshire
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21st Nov 04 at 14:37   View User's Profile U2U Member Reply With Quote

the o-ring probably wasn't seated properly. you should have taken it off and tried again rather than tightening it up more.

you could probably re-tap it a size up, or buy a new housing, whichever is easiest for you.
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 14:38   View User's Profile U2U Member Reply With Quote

goint to get a new housing mate thanks a lot but these are dealer only so I am knackered now for a few days
Dan
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Registered: 22nd Apr 02
Location: Gorleston on Sea, Norfolk
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21st Nov 04 at 14:53   View Garage View User's Profile U2U Member Reply With Quote

rather then tapping it out, y dont ya just get the broken piece out?? not that hard really


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Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 14:55   View User's Profile U2U Member Reply With Quote

like how
Darren
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Registered: 21st Apr 02
Location: Hadleigh, Suffolk
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21st Nov 04 at 14:59   View User's Profile U2U Member Reply With Quote

drill it
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 15:00   View User's Profile U2U Member Reply With Quote

but that surely will knacker the thread with it only being 10mm its going to be really tight
ste_nova
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Registered: 8th Jan 01
Location: St. Asaph, N. Wales
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21st Nov 04 at 16:22   View User's Profile U2U Member Reply With Quote

remove the housing.... twist out the snapped bit... won't be tight as it's not holding anything
TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
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21st Nov 04 at 16:59   View User's Profile U2U Member Reply With Quote

Is there any of the thread protruding? If its tight and wont budge by hand or pliers then if you can get a hacksaw and cut a slot into the tread. Then use a flatblade driver to unscrew the remaining threaded section of bolt...
Adam-D
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Registered: 11th May 02
Location: Cheshire
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21st Nov 04 at 17:21   View User's Profile U2U Member Reply With Quote

get a screw remover about 8 for a set from halfords yuo drill a hole into the broken bolt and then tap the right size screw remover into it and undo it with a spanner

something like this
screw extractor set
Joff
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Registered: 17th Oct 00
Location: Cambridgeshire
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21st Nov 04 at 18:01   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Adam-D
get a screw remover about 8 for a set from halfords yuo drill a hole into the broken bolt and then tap the right size screw remover into it and undo it with a spanner

something like this
screw extractor set




Oooh the holy grail for bodged DIY maintenance

I think I'll get me a set
myke
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Registered: 7th Feb 01
Location: High Wycombe, Buckinghamshire
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21st Nov 04 at 18:22   View User's Profile U2U Member Reply With Quote

a.k.a stud extractors or easy outs.

i got a set for a quid from ebay.
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 18:24   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Adam-D
get a screw remover about 8 for a set from halfords yuo drill a hole into the broken bolt and then tap the right size screw remover into it and undo it with a spanner

something like this
screw extractor set



thats a damn good idea I will go there tomorrow see what I can sort out
ste_nova
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Registered: 8th Jan 01
Location: St. Asaph, N. Wales
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21st Nov 04 at 18:25   View User's Profile U2U Member Reply With Quote

single use ones
Adam-D
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Registered: 11th May 02
Location: Cheshire
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21st Nov 04 at 21:20   View User's Profile U2U Member Reply With Quote

i got a set of lazer ones when a seat bolt sheard coz of the damm locknut

i wanst taking anychances either i drilled the hole progressivly bigger till i got the right size then heated the whole lot up with a blow torch tapped it in and turned it came out dead easy
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 22:04   View User's Profile U2U Member Reply With Quote

how exactly do these work chaps ? I get the theory of drillign it and retapping it to make a new thread but surely if drilled then a thread made out of the one thats stuck when turned in the opposite way wont it just comeout of the thread I dont exactly get it if this works it will save me a hell of a lot of work cant use the car till its fixed as its p!ssing water out cheers chaps
Adam-D
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Registered: 11th May 02
Location: Cheshire
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21st Nov 04 at 22:07   View User's Profile U2U Member Reply With Quote

you drill a hole into the broken thread/nut
tap this baby into the hole and undo
it will undo the broken bolt and leave it ready for a new one
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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21st Nov 04 at 22:10   View User's Profile U2U Member Reply With Quote

thats all I needed to know how much are these again ? hopefully I can have my baby back for tuesday wednesday latest dont finish work till 5 and its pitch black by then
myke
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Registered: 7th Feb 01
Location: High Wycombe, Buckinghamshire
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21st Nov 04 at 22:38   View User's Profile U2U Member Reply With Quote

they're reverse thread and tapered, so as you tighten them in (counterclockwise) they get wedged and start to undo the broken bolt/stud thats stuck.

you'll probably need a tap holder to get it in straight, and may be an idea to take the housing off the car so you don't drop swarf into it.
AdamF
Premium Member

Registered: 24th Apr 02
Location: Bexhill, East Sussex
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22nd Nov 04 at 08:02   View Garage View User's Profile U2U Member Reply With Quote

its not as easy as its sounds mate. youll more than likely crack the housing. a new housing is 37 quid + vat from vaux
Karnage Corsa
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Registered: 4th Nov 02
Location: Norton, Stockton-on-Tees
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22nd Nov 04 at 17:05   View User's Profile U2U Member Reply With Quote

I decided this mornign afetr consulting with my gaffer its too much of a mess on as the hole is tiny if it were bigger it may ebe fesable but not to worry I ahve ordered the new housing which wil hopefully be here on wednesday and fitted the same day with any luck thanks to everyone that helped me out its hugely appreciated, Regards Paul...

 
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