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Author Topic: Thermostats  (Read 1929 times)

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Amego52

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Thermostats
« on: 02 March 2008, 13:38:16 »

does anyone know if there is guide for changing the stat on a 2.6.
(oh,its a little urgent, thanks for looking)
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GastronomicKleptomaniac

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Re: Thermostats
« Reply #1 on: 02 March 2008, 13:49:24 »

 Don't think there is mate.
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Amego52

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Re: Thermostats
« Reply #2 on: 02 March 2008, 19:02:03 »

Next Question, is a low coolant temp affecting my MPG by much. The problem is deffo the thermostat and not just the guage. Stop start driving the guage eventually goes to around the 90 mark but motorway driving it only goes to 75-80.
Edit: Where is the thermostat ::)
« Last Edit: 02 March 2008, 19:03:16 by AAC »
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Marks DTM Calib

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Re: Thermostats
« Reply #3 on: 02 March 2008, 19:06:15 »

Unfortunately its in the V behind the cambelt.

Follow the cam cover gasket guide to strip the plenum etc off (note yours is drive by wire so slightly different) and you will see it.

Then pop the power steering reservoir out of its bracket to obtain access to the Bstard bolt which holds the bridge pipe in place. You haev to remove the bridge pipe to get the stat out adn you should do this before un-bolting the stas.

You will need new O rings for the bridge pipe but, be warned, we broke one at teh cambelt party and given they are only about a tenner, its possibly worth getting a new pipe to be on the safe side!
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TheBoy

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Re: Thermostats
« Reply #4 on: 02 March 2008, 19:09:21 »

Quote
Unfortunately its in the V behind the cambelt.

Follow the cam cover gasket guide to strip the plenum etc off (note yours is drive by wire so slightly different) and you will see it.

Then pop the power steering reservoir out of its bracket to obtain access to the Bstard bolt which holds the bridge pipe in place. You haev to remove the bridge pipe to get the stat out adn you should do this before un-bolting the stas.

You will need new O rings for the bridge pipe but, be warned, we broke one at teh cambelt party and given they are only about a tenner, its possibly worth getting a new pipe to be on the safe side!
What you need to do, Mr DTM, is a nice guide.   Now, I could present a nice car for you to use for this ::)  ;D
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Amego52

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Re: Thermostats
« Reply #5 on: 02 March 2008, 19:14:27 »

This sounds like a job for a seasoned spanner merchant.
How much is this gonna cot at the stealers?
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Amego52

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Re: Thermostats
« Reply #6 on: 02 March 2008, 19:33:39 »

Quote
Quote
Unfortunately its in the V behind the cambelt.

Follow the cam cover gasket guide to strip the plenum etc off (note yours is drive by wire so slightly different) and you will see it.

Then pop the power steering reservoir out of its bracket to obtain access to the Bstard bolt which holds the bridge pipe in place. You haev to remove the bridge pipe to get the stat out adn you should do this before un-bolting the stas.

You will need new O rings for the bridge pipe but, be warned, we broke one at teh cambelt party and given they are only about a tenner, its possibly worth getting a new pipe to be on the safe side!
What you need to do, Mr DTM, is a nice guide.   Now, I could present a nice car for you to use for this ::)  ;D
Oi!  I'm first.. ;D
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NickA

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Re: Thermostats
« Reply #7 on: 02 March 2008, 20:48:40 »

Quote
Next Question, is a low coolant temp affecting my MPG by much. The problem is deffo the thermostat and not just the guage. Stop start driving the guage eventually goes to around the 90 mark but motorway driving it only goes to 75-80.
Edit: Where is the thermostat ::)

It does mine, about 3 ish mpg on a run,  5 or so if it's all local stuff. I know I need to do this, but I need to clear a bit of space in the garage by putting my Stag back together so I can get the Omega in. A guide  would be great!



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shyboy

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Re: Thermostats
« Reply #8 on: 02 March 2008, 20:51:10 »

Hotel21 (Broocie) did this job on Kate's car at the cambelt party. When you have taken off the plenum etc. to expose the stat. the metal pipe running from it to the radiator hose runs through a tunnel under the cam housing, and is tough to get at. You have to pull this pipe out of its joint on the side of the stat. towards the near side, and if the joint is seized it's almost impossible to get enough purchase because of the confined space. At Shifnal it resisted brute force and every other form of persuasion and had to be smashed with a hammer and chisel, removed in pieces and discarded for a 2nd hand replacement.
I didn't see the re-assembly being done, but the end result, (the thermostat wasn't present in Kate's car, by the way), was engine temp. back to normal, and improved mpg and cabin heat.
A main dealer would no doubt charge a fortune so if you can do it yourself you'd get a better result at cheaper cost.
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GastronomicKleptomaniac

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Re: Thermostats
« Reply #9 on: 02 March 2008, 21:09:00 »

Quote
A main dealer would no doubt charge a fortune so if you can do it yourself you'd get a better result at cheaper cost.

 Think it's quoted at or around 2 hours labour... £75-85/hour?
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Mike Collins

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Re: Thermostats
« Reply #10 on: 02 March 2008, 21:09:55 »

Having broken a transfer pipe previously, when I did my 2.6 I used a small die grinder to cut a groove in the thermostat socket.
A screwdriver twisted in the groove cracked away enough release the transfer pipe.
Be careful not to grind into the transfer pipe, the o rings will need to be changed.
That's why it takes half a day or so.
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Re: Thermostats
« Reply #11 on: 02 March 2008, 21:13:46 »

Quote
Having broken a transfer pipe previously, when I did my 2.6 I used a small die grinder to cut a groove in the thermostat socket.
A screwdriver twisted in the groove cracked away enough release the transfer pipe.Be careful not to grind into the transfer pipe, the o rings will need to be changed.
That's why it takes half a day or so.

Are you saying you scrapped the housing after this?
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JamesV6CDX

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Re: Thermostats
« Reply #12 on: 02 March 2008, 22:22:06 »

Quote
Quote
Having broken a transfer pipe previously, when I did my 2.6 I used a small die grinder to cut a groove in the thermostat socket.
A screwdriver twisted in the groove cracked away enough release the transfer pipe.Be careful not to grind into the transfer pipe, the o rings will need to be changed.
That's why it takes half a day or so.

Are you saying you scrapped the housing after this?

That's how it appears to me Bill  :D

Having said that, a new stat comes already in the housing.

And if the worst happens, a transfer pipe is only about £12 retail

I hope the 2.0 Estate is running well, after the cambelt change? :)
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shyboy

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Re: Thermostats
« Reply #13 on: 03 March 2008, 09:30:57 »

Hi James,
Don't want to hi-jack this thread, but must repeat my thanks to you for doing my cambelt. She is running beautifully, but I can't decide whether to sell it on or crack on with sorting oil leak, blowing rear box, broken check straps, etc., just for the experience and the fun.
Cheers,
Bill.
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ians

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Re: Thermostats
« Reply #14 on: 03 March 2008, 11:44:04 »

Quote
Quote
Quote
Unfortunately its in the V behind the cambelt.

Follow the cam cover gasket guide to strip the plenum etc off (note yours is drive by wire so slightly different) and you will see it.

Then pop the power steering reservoir out of its bracket to obtain access to the Bstard bolt which holds the bridge pipe in place. You haev to remove the bridge pipe to get the stat out adn you should do this before un-bolting the stas.

You will need new O rings for the bridge pipe but, be warned, we broke one at teh cambelt party and given they are only about a tenner, its possibly worth getting a new pipe to be on the safe side!
What you need to do, Mr DTM, is a nice guide.   Now, I could present a nice car for you to use for this ::)  ;D
Oi!  I'm first.. ;D

No mine would be much more photogenic ;D :y
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