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[phill osey]

and I've pm'd Daz and just need to wait to see if he replies

[Sir Tigger KC]

If it's only overheating when the heating/AC is on then it may be that the heater matrix is blocked up with crud!! 

I had a similar overheating problem a couple of years ago, so I flushed the coolant system, new thermostat, new fan switches, even put a new rad in!! No joy!! Then I twigged that it was only overheating when the Heating/AC was on  , so I flushed out the heater matrix using the garden hose method (see guide) and loads of crud came out!  Problem solved!! 

[Brikhead]

As said, flush out the whole coolant system, not just the radiator.

we have changed the crank sensor,thermostat and housing, water pump, cleaned the rad out with fernox, cleaned the crap out of the ac rad fins, and the guage is still going into the red band,

It will get up to 92 quickly and sit there for about 5 miles , then within seconds its on the red band, and the temp light is on.... stop as soon as possible, switch off, leave for a few mins and start again, starts at 80 and then drives ok for a short while, and back up to the red band... there is never any loss of coolant, no steam,. no hissing nothing...and when I put the heater on, the temp rises

May also be worth checking it is really overheating and not just the electronics thinking it is...

[phill osey]

If it's only overheating when the heating/AC is on then it may be that the heater matrix is blocked up with crud!! 

I had a similar overheating problem a couple of years ago, so I flushed the coolant system, new thermostat, new fan switches, even put a new rad in!! No joy!! Then I twigged that it was only overheating when the Heating/AC was on  , so I flushed out the heater matrix using the garden hose method (see guide) and loads of crud came out!  Problem solved!! 

its not only when the heating is on, the gauge rising happens all the time 

[phill osey]

May also be worth checking it is really overheating and not just the electronics thinking it is...
[/quote]


silly question....but how do we do that?

still not had any pm's

[Elite Pete]

If this goes ahead it might be worth visiting if you can, plenty of people there that can help

http://www.omegaowners.com/forum/index.php?topic=108374.0

[phill osey]

Wouls be lovely but Phil doesn't have a sunday off now untill 2nd of dec, 

he is a trucker, and works a 6 day rota system, 6 on, 2 off for 4 weeks, the 6 on 4 off

[phill osey]

Well I have sent 2 pm's to 2 different people and got no answers, so I am not sure if my pms are going through 

[tigers_gonads]

Well I have sent 2 pm's to 2 different people and got no answers, so I am not sure if my pms are going through 

Pm returned 

[swordfish]

 have you checked the rad aint cool anywere .when the car has warmed up . this would indicate a blockage i had this once and i tried everything before i pinged it [ easily over looked ] just because water is going in and out of the rad well doesn't mean it has not got a blockage

[phill osey]

have you checked the rad aint cool anywere .when the car has warmed up . this would indicate a blockage i had this once and i tried everything before i pinged it [ easily over looked ] just because water is going in and out of the rad well doesn't mean it has not got a blockage

We have cleaned out the rad with fernox as suggested by Elite Pete

[omega3000]

have you checked the rad aint cool anywere .when the car has warmed up . this would indicate a blockage i had this once and i tried everything before i pinged it [ easily over looked ] just because water is going in and out of the rad well doesn't mean it has not got a blockage

 

We have cleaned out the rad with fernox as suggested by Elite Pete

I did the same but it was still blocked and caused many problems . I enjoyed putting a hammer through the blocked one  , last resort was trying a different rad and it worked

[PLANETNZ]

buy a cheap infra red temperature guage, in 5 min you will know if its actually overheating

[phill osey]

Thanks guys, all suggestions noted, Phil will be home later this evening and he will come in here and read these,