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Topic: Cracked Stat Housing - Help!!! (Read 1514 times) |
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Moonchalk
Full Member
2.3 Facelift Ultima Born: Jan 98 Restored: 2023
Posts: 162
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Cracked Stat Housing - Help!!!
« on: Nov 6th, 2011, 4:14pm » |
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Hi,
Losing coolant from a cracked thermostat housing.
Quite rapid, about 1 litre every 10 miles.
Problem is, it's not the front section attached to the pipe which would be a breeze to change, its the bit behind it which looks like a much harder job.
Anybody any experience of same problem?
Any docs available here?
Hopin this one doesn't finally kill off the old Scorp 
Thanks for any help.
Mc
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Scorpio_Mike
Senior Member
Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Cracked Stat Housing - Help!!!
« Reply #1 on: Nov 6th, 2011, 5:23pm » |
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Sounds as though you need a new inlet manifold.
Around £40-£50 s/h or £400+ from FMD...or fit the 2.0 16V one which is ally, not plastic.
Get a compression check done to make sure you have not got a blown head gasket.
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD 
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Cracked Stat Housing - Help!!!
« Reply #2 on: Nov 6th, 2011, 9:21pm » |
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Common probs on the 2.3, check the oil and water regually as once the inlet cracks the cylinder head goes aswell, between cyls 2 & 3
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FDS2000 Scans - Birmingham
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Moonchalk
Full Member
2.3 Facelift Ultima Born: Jan 98 Restored: 2023
Posts: 162
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Re: Cracked Stat Housing - Help!!!
« Reply #3 on: Nov 7th, 2011, 8:26am » |
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Is it a big job to fix?
Thnks
Mc
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Cracked Stat Housing - Help!!!
« Reply #4 on: Nov 7th, 2011, 12:59pm » |
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Personally I would say quite involved, yes 
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Mike H
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Scorp_Kev
Full Member
Scorp Ultima 2.3 1998
Posts: 221
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Re: Cracked Stat Housing - Help!!!
« Reply #5 on: Nov 10th, 2011, 10:26am » |
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Friend of mine had the same problem about 6 months ago. Used Gungum. No problems since.
Hope this helps
Kev
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Cracked Stat Housing - Help!!!
« Reply #6 on: Nov 10th, 2011, 11:02am » |
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Still a bodge IMO, the plastic manifold is a known weakness. Aren't I glad I got a metal one
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Mike H
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Cracked Stat Housing - Help!!!
« Reply #7 on: Nov 10th, 2011, 11:04am » |
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on Nov 6th, 2011, 9:21pm, Matt wrote:| check the oil and water regually as once the inlet cracks the cylinder head goes as well, between cyls 2 & 3 |
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This is from overheating is it? Due to coolant loss?
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Mike H
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Cracked Stat Housing - Help!!!
« Reply #8 on: Nov 10th, 2011, 11:17am » |
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Hi Mike
yea id say so, quite how quickly after dumping the coolant it cracks i cant say but the cars ive looked at that have had a cracked manifold the head has gone.
I posted a picture a long time ago of the crack location, it goes between cyls 2 and 3 in the oil passage (so you wouldnt see an external leak from the head or loss of compression), and all the cars ive seen its the oil going into the water (so dip stick will look clean)
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FDS2000 Scans - Birmingham
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Cracked Stat Housing - Help!!!
« Reply #9 on: Nov 10th, 2011, 4:28pm » |
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Yes there was a topic about this short while back, oil in the water and blowing it out of the header tank, not sure exact cause was finally established though
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Mike H
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Cracked Stat Housing - Help!!!
« Reply #10 on: Nov 10th, 2011, 5:08pm » |
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One of the changes between the 2.3 & the 2.0 heads mentioned in Ford’s Technical service training manual for the 2.3 is that “The cylinder head incorporates additional coolant bores between cylinders nos. 1 and 2 and nos. 2 and 3 to improve coolant flow”.
Maybe they introduced a weakness with that change.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Cracked Stat Housing - Help!!!
« Reply #11 on: Nov 10th, 2011, 5:55pm » |
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Yea id say thats a good reason, would be worth looking on the galaxy forums, they have the same basic engine, they may have a better intake as the room under the bonet us less on them
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FDS2000 Scans - Birmingham
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Cracked Stat Housing - Help!!!
« Reply #12 on: Nov 10th, 2011, 6:54pm » |
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The training manual is for the Scorpio & Galaxy 2.3, however it does say “The cylinder head gaskets of both variants (Scorpio/Galaxy) differ in the number & diameter of the coolant bores” & “Some openings are closed off completely to adapt the coolant flow to the different inlet manifolds.”
The Galaxy sensibly has a blanking gasket for the stat part of the manifold & mounts the stat housing elsewhere.
The Scorpio gasket has 2 tags on the edge of the gasket to distinguish it from the Galaxy which has 1 tag – opposite end of the gasket to the cam chain.
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ABS multiplug wheel sensor pins MK IV or MK 20
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