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Author Topic: thermostat housing  (Read 2404 times)

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duaneyb1

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thermostat housing
« on: 28 July 2010, 18:30:27 »
Hi all i have a 3.0 v6 trying 2 change the thermostat but the coolant transfer pipe is stuck in the thermostat housing and i cannot seperate them any ideas? Many thanks
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tunnie

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Re: thermostat housing
« Reply #1 on: 28 July 2010, 18:33:46 »
taken out the 'bs%ard' bolt behind the dip stick? Best way is to leave bolts for the stat in place, and wingle the blank out of that transfer piper. Try rotating it to break its hold  :y
« Last Edit: 28 July 2010, 19:32:11 by tunnie »
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Dave G

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Re: thermostat housing
« Reply #2 on: 28 July 2010, 19:28:18 »
Apart from filters and a Heater Bypass Valve, this was the first serious job I had to do on my Omega, and I have to say - first time I attempted it I gave up because I couldn't undo the b* bolt that Tunnie refers to. It comes out of the block at a slight downward angle which didn't help me.

Anyway, if you've got that far it's just wiggle-wiggle-wiggle back and forth on the transfer pipe bracket until it eventually loses its grip in the stat housing. You will have sore fingers/thumbs. If it's really really stuck you may want to spray some release agent in from the side and leave it a while.

Most difficult job I had after that was holding the new O-ring in place in the stat housing groove as I lowered it into the V.

Dave Elite was most encouraging and helpful on the OOF site for me. Just a small plug there...! :y

All I can say is 'persist'. If an old f#*t like me can do it, well...
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Andy H

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Re: thermostat housing
« Reply #3 on: 28 July 2010, 20:10:54 »
The advice from the gurus on here is to loosen the b'stard bolt but leave it in place. Undo the thermostat housing bolts and grip the thermostat body with a pair of mole/vice grips then give it as much abuse as necessary to free the transfer pipe.

I haven't done it this way myself (but I will next time).
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duaneyb1

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Re: thermostat housing
« Reply #4 on: 28 July 2010, 21:10:44 »
Thanks for the advice guys will give it ago on Saturday
Many thanks  :y
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Darth Loo-knee

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Re: thermostat housing
« Reply #5 on: 28 July 2010, 22:10:56 »
Quote
The advice from the gurus on here is to loosen the b'stard bolt but leave it in place. Undo the thermostat housing bolts and grip the thermostat body with a pair of mole/vice grips then give it as much abuse as necessary to free the transfer pipe.

I haven't done it this way myself (but I will next time).

Thats the way although I  leave the bastard bolt tight then wiggle the housing
 :y
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vbelen4

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Re: thermostat housing
« Reply #6 on: 29 July 2010, 10:27:42 »
I replaced the thermostat two months ago. It was imposible to loose the trasfer pipe, I wasted hours. You'd better (as I finally did) crack the transfer pipe, get it out, and replace.
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vexorg

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Re: thermostat housing
« Reply #7 on: 29 July 2010, 10:50:06 »
I've changed a few of these. Get a new pipe, they're not expensive, you'll end up destroying it when removong it.
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Dave Elite

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Re: thermostat housing
« Reply #8 on: 29 July 2010, 13:05:28 »
Quote
I've changed a few of these. Get a new pipe, they're not expensive, you'll end up destroying it when removong it.
Not if you do it properly you wont, just be patiant and it will come loose in the end.
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vexorg

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Re: thermostat housing
« Reply #9 on: 29 July 2010, 21:53:54 »
In the past few years I've done 6 (2 mine, 4 on friends), only 1 managed to survive. The cast alloy is too weak, and it binds to strongly onto the thermostat.

My first attempt  ;D :


Split the thermostat housing and it was still stuck on. Ended up splitting the joint straight down. The rest turned out in a similar state, or worse.
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tunnie

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Re: thermostat housing
« Reply #10 on: 30 July 2010, 00:02:25 »
why is it blue?  :-/ - Someone must have painted that!? Can't see why!

I've done one and the pipe came out ok, its not that expensive to buy a replacement pipe and it comes with O-rings. I'd buy one if doing another, just to have it spare in case the one your working on gets cracked
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duaneyb1

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Re: thermostat housing
« Reply #11 on: 30 July 2010, 10:18:51 »
Have ordered 1 from vaux for13.81 inc vat. Just in case
Many thanks for all your help guys  :y
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duaneyb1

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Re: thermostat housing
« Reply #12 on: 01 August 2010, 18:04:13 »
job done was quite easy tapped coolent pipe out with screwdriver and hammer didnt crack pipe or thermostat housing many thanks for all your suggestions :y :y
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Dave Elite

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Re: thermostat housing
« Reply #13 on: 02 August 2010, 16:20:56 »
Quote
Apart from filters and a Heater Bypass Valve, this was the first serious job I had to do on my Omega, and I have to say - first time I attempted it I gave up because I couldn't undo the b* bolt that Tunnie refers to. It comes out of the block at a slight downward angle which didn't help me.

Anyway, if you've got that far it's just wiggle-wiggle-wiggle back and forth on the transfer pipe bracket until it eventually loses its grip in the stat housing. You will have sore fingers/thumbs. If it's really really stuck you may want to spray some release agent in from the side and leave it a while.

Most difficult job I had after that was holding the new O-ring in place in the stat housing groove as I lowered it into the V.

Dave Elite was most encouraging and helpful on the OOF site for me. Just a small plug there...! :y

All I can say is 'persist'. If an old f#*t like me can do it, well...
Thanks mate, no problem :y
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TheBoy

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Re: thermostat housing
« Reply #14 on: 02 August 2010, 16:25:56 »
Hmmm, I wonder if I should do a guide, or even a vid ;)
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