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Author Topic: Omega 2.2 petrol 2003 manual possible engine temp problem  (Read 2386 times)

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Andy A

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Omega 2.2 petrol 2003 manual possible engine temp problem
« on: 29 January 2015, 10:34:50 »
In winter or summer time with the air-con on, should the engine temp stay fairly stable around 85 - 92, if the car is idling or doing 70mph?

As soon as I go down the motorway the temp drops from around 92 to around 65 depending on outside temp and speed.

I have noticed that all the rad fans are on when using air-con. No matter if its winter or summer. Is this normal?

Thanks
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Entwood

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #1 on: 29 January 2015, 10:49:43 »
air con on the fans run continually .. totally normal.

Temp dropping at speed .. does it take a long time to warm up as well ?? If so .. thermostat stuck open .. needs a new thermostat
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Andy A

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #2 on: 29 January 2015, 12:13:01 »
Yes it takes a while to warm up.

Do you know if the thermostat is separate or an all in one part with the housing?

Eurocarparts is showing both.

Thanks
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RobG

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #3 on: 29 January 2015, 12:17:35 »
Get it separate Andy
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Andy A

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #4 on: 29 January 2015, 14:02:00 »
Will do Rob. Will I need a new gasket?

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PhilRich

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #5 on: 29 January 2015, 14:48:17 »
Quote from: Andy A on 29 January 2015, 14:02:00
Will do Rob. Will I need a new gasket?






Ideally yes, but a thin streak of instant gasket around the original seal will do just as well if it isn't broken :y
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Andy A

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #6 on: 29 January 2015, 16:44:39 »
Thanks all for your help.  :y
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Twintop

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #7 on: 29 January 2015, 22:28:04 »
Ecp were doing thermostat and housing for about £5 on flebay  :y
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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #8 on: 30 January 2015, 08:38:59 »
The 2.2 stat is piss easy to change, and even dealer gasket is cheapish. From memory, dealer price for stat is a steep £25 though :(

Don't forget to add coolant to the budget as well
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Andy A

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #9 on: 30 January 2015, 09:29:22 »
Anyone know what the torque settings are for the bolts?

Is it best to replace from dealer or will any do the same job?

Thanks
« Last Edit: 30 January 2015, 09:32:28 by Andy A »
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PhilRich

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #10 on: 30 January 2015, 15:21:35 »
Quote from: Andy A on 30 January 2015, 09:29:22
Anyone know what the torque settings are for the bolts?

Is it best to replace from dealer or will any do the same job?

Thanks









The original bolts can be reused and the torque is 8nm iirc :-\
« Last Edit: 30 January 2015, 15:27:31 by PhilRich »
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05omegav6

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #11 on: 30 January 2015, 16:11:34 »
15NM/11lbft according to the book of bloks :y
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PhilRich

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #12 on: 30 January 2015, 18:19:37 »
Quote from: Taxi Al on 30 January 2015, 16:11:34
15NM/11lbft according to the book of bloks :y







Thanks Al, I need someone to keep me right! ;D :y
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Andy A

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Re: Omega 2.2 petrol 2003 manual possible engine temp problem
« Reply #13 on: 30 January 2015, 19:01:48 »
15NM it is then.

Thanks all for your help.  :y
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