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Old 6th April 2022, 17:38   #31
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After another heroic effort by Simon, the problem remains. I always did suspect the stat and conveyed that to Simon. The reason being it is the only new part which could affect temperature.

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Old 6th April 2022, 18:04   #32
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Quote:
Originally Posted by dave lincs View Post
If it is the later oil cooler bypass it the try it again the do block causing the problem you have ...
Thanks for the suggestion Dave but since the later oil cooler is in the heater return circuit a blockage could not cause the flow through the radiator to be affected.

The crucial piece of evidence is that the bottom radiator hose is tepid.

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Old 6th April 2022, 18:07   #33
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If it is the later oil cooler bypass it then try it again they do block causing the problem you have.

Dave
That would be my next move
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Old 6th April 2022, 20:03   #34
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Quote:
Originally Posted by SD1too View Post
Thanks for the suggestion Dave but since the later oil cooler is in the heater return circuit a blockage could not cause the flow through the radiator to be affected.

The crucial piece of evidence is that the bottom radiator hose is tepid.

Simon
Sorry Simon but I have been there before bypass the cooler and see what results you get Also if it was ok before a new thermostat then that is the problem

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Old 7th April 2022, 08:09   #35
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I emailed a letter to the garage and received a call back. Service Manager was VERY aggressive and said we were just going round in circles "You either monitor the car or bring it back."

I said: But I HAVE BEEN monitoring her for a week as your original suggestion, and I've now sent you my observations.

When I pointed out that both radiator hoses are tepid, but should be hot, he replied: "Would you prefer them to be hot then?"

I'm on shaky ground here because I do not have tech knowledge, only what V6 owners have told me. So I cannot confidently parlez with the garage. It's clear to me that they use verbal aggression to encourage the customer to go away. It must be the culture they encourage. Even with staff turnover over the years this behaviour continues towards customers.

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Old 7th April 2022, 11:05   #36
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When I pointed out that both radiator hoses are tepid, but should be hot ...
This is just an accidental mistake. From our full conversation yesterday Lida knows that only the bottom radiator hose is tepid. The top hose is reasonably hot, as would be expected.

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Old 7th April 2022, 14:29   #37
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Quote:
Originally Posted by lida View Post
I emailed a letter to the garage and received a call back. Service Manager was VERY aggressive and said we were just going round in circles "
Quote:
You either monitor the car or bring it back."
I said: But I HAVE BEEN monitoring her for a week as your original suggestion, and I've now sent you my observations.

When I pointed out that both radiator hoses are tepid, but should be hot, he replied: "Would you prefer them to be hot then?"

I'm on shaky ground here because I do not have tech knowledge, only what V6 owners have told me. So I cannot confidently parlez with the garage. It's clear to me that they use verbal aggression to encourage the customer to go away. It must be the culture they encourage. Even with staff turnover over the years this behaviour continues towards customers.

Hi Lida.
Phone again and say you have taken some advice, and the advice points to some sort of blockage, or air lock, even that the thermostat may not be opening as it should, therefore yes i will take you upon your offer to bring the car back to you so you can rectify/correct any mistake that may have been made initially, when the service was carried out, so yes please take the car back so you can make sure the coolant runs at proper temperature, ie gets to 100c then the low speed fan will kick in and bring it down 91c then the car repeats this cycle over and over if stuck in traffic and would not over heat.
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Old 7th April 2022, 16:00   #38
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ARCTIC. That's what I have done, taking her back on Tuesday 12th. Last week I suggested to them it may be an airlock in the coolant which they dismissed. And today I suggested a dodgy thermostat which caused more hostility from the service manager.

I will PM to you the letter I emailed them today.

They seem to be sticking by the mantra that the fan will come on when it needs to, despite my giving them precise notes. I told the manager that I do not consider it normal behaviour for the first fan speed to come on after just ONE MILE at 100 c in this cool weather.

Temp rises to 106c, which increases fan speed and this will reduce the temp, sometimes to 95c, other times to 100 c - so the fan remains on but slower. I should not be driving 2½ miles to my Tesco on fan - it's ridiculous. Perhaps if I was doing the Morocco Overland Rally, then Yes.

Heater is working fine.

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Old 12th April 2022, 10:16   #39
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I returned my Rover to the garage this morning following change of water pump, thermostat, new coolant, cam belt. Running far too hot, which she never did before.

Service manager said that new parts installed 2 weeks ago will have made the car run more efficiently! That rather depends on his definition.

She’s going back on T4. He dismissed the car’s own diagnostics which I have been monitoring for 5 days, and which I had typed out for him.

He did confirm that the vacuum method/bleeding had been used when filling with coolant.

I did remind him that as Rover has been out of business since 2007, the software in his T4 is the same as the diagnostic tool in my car, there have been no updates.

He did not want to take my notes on temps reached over the last week.

I tried to impress upon him that it is NOT normal to drive local distances on FAN.

This morning on my way to them, even though fan had brought temp down to 98 from 102, it did not switch off.

(I arrived just before 10 am and he bitchily told me that the mechanic had been waiting for me since 9 am). Yeah, right.

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Old 12th April 2022, 10:24   #40
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Hi Lida.
Do let us know the outcome did they say how long they would need the car for to check and rectify the problem, even if they do that ? i have a feeling you may be sending your car to one of the boys on here Trikey or Dave.

Fingers crossed for you.
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