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Topic: Thermostat Housing (Read 1922 times) |
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n880eua
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Thermostat Housing
« on: Nov 19th, 2009, 2:18pm » |
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It never rains but pours my end.
I have gone to change the thermostat on my 2.9 12v and guess what.
One of the bolts that holds the thermostat housing has shared off. The rest of the bolt is in the engine still.
Now the bottom one has come out and the top left one also (When your stood at the front of the car) but the top right one is the one thats snapped off.
Whats the best thing to do. My dad says the cars as good as scrap now as there is only 1MM if I am lucky of thread sticking out of the block.
Any help would be good as its got an MOT tommrow and if I could atleast see how that goes I dont mind spending the money on it.
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Highlander
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Re: Thermostat Housing
« Reply #1 on: Nov 19th, 2009, 3:40pm » |
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Your dad sounds a cheery fellow! 
Plenty of options for removing a sheared stud, it can be drilled out, use a stud extractor or welding a bar onto the end of it is sometimes possible.
Definitely not a huge problem, any garage/engineering shop should be able to sort you out easily enough.
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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Simmo
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Re: Thermostat Housing
« Reply #2 on: Nov 19th, 2009, 3:45pm » |
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In case you are not aware THIS shows the type of thing you need. As Stuart says, drill a hole in the stud, and then insert the extractor. Soak in WD40.
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Tons_of_fun
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Re: Thermostat Housing
« Reply #3 on: Nov 19th, 2009, 7:41pm » |
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If you are anywhere near birmingham i have a set of extractors you could borrow 
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gozz
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Re: Thermostat Housing
« Reply #4 on: Nov 19th, 2009, 8:09pm » |
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Put it back with two studs for the MOT,use a drop of silicone sealer,let it set before replenishing the coolant.
My Dad tended to be rather like yours,he didn't half make me determined to prove him wrong
GOZZ.
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Highlander
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Re: Thermostat Housing
« Reply #5 on: Nov 19th, 2009, 8:26pm » |
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I'm not up on my 12v's Gozz, is the thermostat housing bolted to the timing cover?
ie
if the stud couldnt be extracted easily could the whole thing be replaced?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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gozz
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Re: Thermostat Housing
« Reply #6 on: Nov 19th, 2009, 8:43pm » |
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It's on the front of the inlet manifold which of course bolts down in the 'V' Stuart.
Indeed there would be no problem for him to change that complete.
GOZZ.
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Highlander
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Re: Thermostat Housing
« Reply #7 on: Nov 19th, 2009, 8:57pm » |
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Well i'm sure i have a spare one of them if you get stuck n880eua
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
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Re: Thermostat Housing
« Reply #8 on: Nov 19th, 2009, 9:13pm » |
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Similar problem on my Sierra XR4i many years ago - one of the bolts that holds the water pump onto the front timing case sheared off ...so I drilled out the remains of the bolt and epoxy ( chemical metal or liquid steel - can't recall the exact brand ) glued a stud ( for stud read bolt with the head cut off ) into the blind hole, left it for 24hrs and then fittted the water pump - I recently took the engine apart and it is still in there solid.
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n880eua
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Re: Thermostat Housing
« Reply #9 on: Nov 19th, 2009, 9:30pm » |
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Excellant, many ideas to try then. Don't think I can replace the whole v section.
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Highlander
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Re: Thermostat Housing
« Reply #10 on: Nov 19th, 2009, 9:33pm » |
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easy 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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gozz
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Re: Thermostat Housing
« Reply #11 on: Nov 19th, 2009, 10:12pm » |
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Definitely 
GOZZ.
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n880eua
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Re: Thermostat Housing
« Reply #12 on: Nov 20th, 2009, 4:22pm » |
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Car went through the MOT no trouble. Garage had a look at the left over from this bolt and said that if they can't shift it then its a £650 head off and milling job.
Is there anybody local in the South Yorkshire area who could help hear as its leaking quite bad now.
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Highlander
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Re: Thermostat Housing
« Reply #13 on: Nov 20th, 2009, 4:42pm » |
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on Nov 20th, 2009, 4:22pm, n880eua wrote:Car went through the MOT no trouble. Garage had a look at the left over from this bolt and said that if they can't shift it then its a £650 head off and milling job.
Is there anybody local in the South Yorkshire area who could help hear as its leaking quite bad now. |
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Go back and burn them down!! what a rip off!
try somewhere else!
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Highlander
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Re: Thermostat Housing
« Reply #14 on: Nov 20th, 2009, 4:48pm » |
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Do what Mike did and drill it out then glue in a bit of threaded rod.
I'm pretty sure I have a spare 12v inlet manifold with the housing attached, its fairly simple to replace even with limited experience.
Sections 11 to 16 here shows how to replace the manifold, its really only a few bolts and some gaskets
http://www.fordscorpio.co.uk/manual/engines/12v/V612VDismantle.pdf
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Simmo
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Re: Thermostat Housing
« Reply #15 on: Nov 20th, 2009, 5:13pm » |
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For a few quid at Screwfix or similar and a bit of work with a drill it makes that garage quote look extortionate which of course it is.
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joe-satch
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Re: Thermostat Housing
« Reply #16 on: Nov 20th, 2009, 5:20pm » |
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why would the head have to come off..the stat housing is set in the inlet manifold....in the past i have deal with broken studs this way(mostly water pump bolts)....heat up the broken stud..i use a blow-lamp....using mole grips...on the 1mm thats sticking out..it should un-screw..works everytime for me...mind you i have never had a stat housing bolt snap on my 12v..but a friend of mine did...but i got it out using the method that i discribed .
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twinturbo
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Re: Thermostat Housing
« Reply #17 on: Nov 20th, 2009, 5:44pm » |
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Dremmel a slot for a screwdriver. nice and deep.
If you can use a ratchet fitted with a screwdriver attatchment so you can apply decent force without twisting.
If that does not work,
Drill , retap, replace with un-equal stud.
TT
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n880eua
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Re: Thermostat Housing
« Reply #18 on: Nov 20th, 2009, 6:28pm » |
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Well I have left it with them to try again.
I will be picking it up in the morning with the bolt left in or not eitherway. I think it needs to come off to be drilled due to lack of space at the front.
Eitherway I will have to get it sorted. Anybody know if Ford still stock the thermostat bolts and does anybody know where the sensor is that feeds the dash the coolant tempreture.
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gozz
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Re: Thermostat Housing
« Reply #19 on: Nov 20th, 2009, 8:14pm » |
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In the left side of the intake manifold under the plenum and behind the thermostat.It's the smaller one of the two,13mm spanner,single push on wire.Best whip off the air intake pipes and the plenum to make the job easy.The thermostat bolts are only plain 10mm headed,any will do.
GOZZ.
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