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Author Topic: And another thing....3.2 Temp.  (Read 3695 times)

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Shackeng

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And another thing....3.2 Temp.
« on: 21 November 2011, 15:47:05 »
As the TD temp sensors are suspect, I'm using the 3.2 Elite this week, and...b****r...the temp doesn't go above 80'. I guess its the 'stat?
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aaronjb

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Re: And another thing....3.2 Temp.
« Reply #1 on: 21 November 2011, 16:17:58 »
On a motorway run in winter mine doesn't go much about 80 either.. 85 around town, just over 90ish in traffic and then the fans cut in.

I thought it was the stat, then convinced myself (well, KevinW did, in replies to my posts) that it was all fine really.. now I'm not so sure again  ;D
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Shackeng

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Re: And another thing....3.2 Temp.
« Reply #2 on: 21 November 2011, 16:25:14 »
I thought the perceived wisdom on here was that it should sit midway? ??? ??? ???
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Kevin Wood

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Re: And another thing....3.2 Temp.
« Reply #3 on: 21 November 2011, 16:39:47 »
They do appear to have a failure mode that causes them to run a little cool. Mine did the same, yet would still warm up reasonably quickly.

In the end I decided to change the thermostat as it was all coming apart anyway. With the new thermostat it warms up quickly to 85 indicated and stays between there and just over 90 under all conditions.
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Shackeng

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Re: And another thing....3.2 Temp.
« Reply #4 on: 21 November 2011, 16:43:17 »
Having just read the maintenance guide, I'm not looking forward to changing it! :( :( :(
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aaronjb

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Re: And another thing....3.2 Temp.
« Reply #5 on: 21 November 2011, 16:43:48 »
Damn, maybe I do need to do mine, then..

Ditto Shackeng - not a job I'm looking forward to!
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albitz

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Re: And another thing....3.2 Temp.
« Reply #6 on: 21 November 2011, 16:45:28 »
Mine also seems to sit at around 80 most of the time,which I think is a little cool.I think I will live with it until next summer and then probably change the stat when I reinstall the front end of the LPG.
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tunnie

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Re: And another thing....3.2 Temp.
« Reply #7 on: 21 November 2011, 16:47:24 »
Yup, sounds like a stat issue. Mines at 85 within just a few mins  :)
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Kevin Wood

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Re: And another thing....3.2 Temp.
« Reply #8 on: 21 November 2011, 16:48:33 »
It wasn't as bad a job as I'd imagined it might be. The trick is to loosen the seal between the transfer pipe and thermostat housing before undoing the bastard bolt (which also wan't too bad).

Doing it with a cam belt change is a good plan, because you get much better access to the thermostat housing once the tensioner backplate is out of the way, and it's much easier to clean up the mating face of the engine block.
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Shackeng

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Re: And another thing....3.2 Temp.
« Reply #9 on: 21 November 2011, 17:01:54 »
Point taken Kevin, I would like to do my cam-belt anyway, but it will have to wait a while as I have a kitchen to fit. :y
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TheBoy

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Re: And another thing....3.2 Temp.
« Reply #10 on: 21 November 2011, 17:08:26 »
Indeed, fairly common with the DBW 3.2.  Not sure why that stat should be more prone than 2.5/3.0, seeing as same part...

...maybe its because the DBW ones are all coming to 8/9yrs old, so tired stats, and all the 2.5/3.0 have already been changed a few years back?
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kcl

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Re: And another thing....3.2 Temp.
« Reply #11 on: 21 November 2011, 18:31:19 »
Quote from: TheBoy on 21 November 2011, 17:08:26
Indeed, fairly common with the DBW 3.2.  Not sure why that stat should be more prone than 2.5/3.0, seeing as same part...

...maybe its because the DBW ones are all coming to 8/9yrs old, so tired stats, and all the 2.5/3.0 have already been changed a few years back?

Late engines have different stat, at least the housing is different, hence the seal also which is a "real" seal instead of "normal" with the o-ring type seal. Newer housing is alot "sturdier", more robust design, don't know why they changed it because the "older" type is interchangeable and quite reliable...
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Shackeng

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Re: And another thing....3.2 Temp.
« Reply #12 on: 21 November 2011, 18:33:15 »
Is it advised to replace the housing on the 3.2 with a stat change? I know some cars require it due corrosion etc.
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kcl

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Re: And another thing....3.2 Temp.
« Reply #13 on: 21 November 2011, 18:39:06 »
Quote from: Shackeng on 21 November 2011, 18:33:15
Is it advised to replace the housing on the 3.2 with a stat change? I know some cars require it due corrosion etc.

Most commonly available as a "kit", e.g. housing WITH stat, IIRC welded together. Only separate parts are stat seal/oring, transfer pipe and its two o-rings.
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TheBoy

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Re: And another thing....3.2 Temp.
« Reply #14 on: 21 November 2011, 18:41:35 »
Quote from: Shackeng on 21 November 2011, 18:33:15
Is it advised to replace the housing on the 3.2 with a stat change? I know some cars require it due corrosion etc.
Genuine stat only available with housing :y
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Grumpy old man
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