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Author Topic: Odd temperature gauge goings-on  (Read 2982 times)

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Webby the Bear

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Odd temperature gauge goings-on
« on: 05 January 2020, 16:09:26 »
Hi gays, I mean guys 😃 hope you’re all well 😘😘😘

So cars been slow to come up to temp. for a few weeks. Sometimes when on the motorway the temp will drop right down. I assumed this was thermostat and I’ve been meaning to do it but just haven’t had time.

Anyway last couple of days the cars gone over 100 in to the red 😖 I wasn’t in a position to stop so carried on to where I could pull over ASAP. However cooling fan kicked in and it came right down to normal. It’s since done this twice more today.

I am fairly certain I needed a stat before the overheating happened but do we think this is also the stat causing this?
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Re: Odd temperature gauge goings-on
« Reply #1 on: 05 January 2020, 16:17:46 »
Well if you've been meaning to change it, you'd best crack on, have you got a spare transfer pipe and seals... And no I haven't :'(
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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #2 on: 05 January 2020, 16:22:07 »
No transfer pipe sadly. But last time I changed it I only used silicone grease so hopefully it’ll come apart. If not I’ll have to get a new one 😩
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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #3 on: 06 January 2020, 20:55:12 »
Car all stripped down tonight. Only took an hour to get stat and transfer pipe out. Very pleased with that....

Not so pleased about a couple of other things. Twelve bolts that hold sandwich plate in. Three of the bolts have come out with the threads from the head 😩😩😩 I’ve no idea why this has happened. They weren’t over tightened. Nightmare.

On the plus side the transfer pipe popped right off. And the B bolt came out no drama.

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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #4 on: 06 January 2020, 21:01:21 »
What’s forum consensus on this?

In the holes where the threads are fubar’d there’s still a little bit of thread in each hole where the bolt will grip. Can I get away with threading them in and nipping them up? Bearing in mind it’s got 9 other bolts holding it. Or would you helicoil?

The time I get home tomorrow night is in OOFs hands 🤣🤣🤣🤣🤣🤣
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Nick W

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Re: Odd temperature gauge goings-on
« Reply #5 on: 06 January 2020, 21:24:58 »
I would probably use some gap filling Loctite on the ones you have.


Removing the B bolt isn't th2 issue, it's aligning the various brackets it goes through to refit the thing.
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Doctor Gollum

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Re: Odd temperature gauge goings-on
« Reply #6 on: 06 January 2020, 22:24:34 »
Do you mean the brass inserts in the inlet divider or from the heads themselves :-\
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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #7 on: 06 January 2020, 22:54:15 »
Thanks guys.

Nick. Exactly what i was thinking! To be fair I only have dipstick and transfer pipe to line up 👍

DG. It’s the threads in the head.
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Re: Odd temperature gauge goings-on
« Reply #8 on: 06 January 2020, 23:12:05 »
Wtf did you do to the poor thing :o
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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #9 on: 07 January 2020, 07:45:21 »
Lol I’ve no idea  :y
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Re: Odd temperature gauge goings-on
« Reply #10 on: 07 January 2020, 10:52:14 »
If you think you can drill the holes out without getting metal places it shouldn't be, I'd helicoil.

A hint that someone gave to me after I'd done the job was, if the hole is deep enough, stick 2 helicoils in there.
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Andy B

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Re: Odd temperature gauge goings-on
« Reply #11 on: 07 January 2020, 12:47:37 »
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Doctor Gollum

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Re: Odd temperature gauge goings-on
« Reply #12 on: 07 January 2020, 13:00:55 »
Liquid metal and sell it before you go back in there... :D
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Webby the Bear

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Re: Odd temperature gauge goings-on
« Reply #13 on: 07 January 2020, 19:45:17 »
Well job completed today. Were dead at work so boss let me take half day holiday so I cracked on.

So got stat in then transfer pipe (lined up no problem-don’t know what the fuss is all about  ;D) anyway on to sandwich plate. cleaned all twelve bolts with wire wheel and threaded them all in gently by hand. Ten of the bolts including one I thought would struggle all accepted a torque of 20nm. The last two... one threaded in but felt loose. Put a little blue loctite on and it tightened up and I left it be. Final one was simply shagged.... I decided to leave it out. Car runs great 👍👍👍 if it becomes an issue in future I’ll address it but I think 11 bolts holding it in will be fine 👍

After bleeding coolant and checking for leaks and driving home the temps acting exactly as it should but of course will monitor 👍

A word on the B bolt. One thing I think really helped was instead of just loosening pas reservoir I took a step further and took out the rubber hose from reservoir to pas pump. I also removed upper radiator hose instead of just easing it out of the way. Ok I had to put those things back and refill power steering but it made the job a lot easier........ only imo of course 👍👍👍
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Re: Odd temperature gauge goings-on
« Reply #14 on: 07 January 2020, 19:47:47 »
If that's the only extra work to make it a one handed job, then I would call that a win :y
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