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1

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 22:19:45 »

Haha have to bare with me and the controls New to the Omega only had it for a few months now ( Omega Estate 2.2dti manual burgundy)   

2

Newbie Welcome Area / Profile picture

« on: 09 September 2020, 22:15:04 »

Hello! Quick one How do I upload a profile pic? See some of you guys have managed it

3

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 22:11:32 »

Okay thanks have ordered a new Genuine coolant temp ecu sensor, going to grab a new thermostat also then try your De-Air lock technique and go from there, changing the water pump is a bit of a job but if no joy I will then try that and re-try the airlock test Thanks Mate

4

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 22:04:01 »

Air-con does work But it’s not ice cold but it’s coolish (A symbol with arrows around it) shows up so definitely is on Just not I’ve cold no doubt needs re gassing What I will get done if can get this resolved

5

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:59:52 »

Appreciate the replies:) so Yes changed all three of these,  the fans do spin very freely and smooth by hand and spin of an external power and by touching the relay together (with its housing cover taken off) Have replaced about 4 or 5 relays  ‘any of the ones linked to the fan Have been changed for new ones). Have also got a brand new water pump although haven’t fitted that as the water flow through the system is running flowing well and have topped up with new coolant as water was lost in changing the Rad sensor

6

Omega General Help / Re: cooling fans not coming on :(

« on: 09 September 2020, 21:53:11 »

Have a multi meter and checked the voltages in and out of the relays and to the fan etc. Put power to them individually and both work The small fan in the ecu relay box comes on tho, so am sure it’s electrical with the other two something like an earth?  Not quite sure where they are earthed so will have to get under the bonnet and check the earths are all good and clean ground

7

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:38:37 »

Should also add have tried the AC on to see if the AC fan would come on that way but no joy so neither Fans coming on made me think it was electrical Have tried to trace what wiring I can see (hoping for a broken wire) but wiring looks all good... cars only on 80,000 or so and looks in excellent condition 

8

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:28:06 »

“Check  the reading from the ECUs sender” Also how do you check this?

9

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:27:24 »

I have changed the coolant sensor in the Bottom of the Rad and the one by the thermostat also the gauge one next to it or is there another one

10

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:22:31 »

Have a multi meter and checked the voltages in and out of the relays and to the fan etc. I haven’t done the temp check tho as haven’t got a temp gun so will have a go at this also

11

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 21:18:22 »

I have replaced this temp sensor (the one next to the thermostat) with a brand new one and have even tried the old one back in, Although the new one seemed like a cheap aftermarket copy when it turned up basically looked the same tho but Thinking I will aim to order a genuine now  (obviously and put the thermostat back in) and see if I get any change  Thanks Fingers crossed

12

Omega General Help / Re: Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 20:52:19 »

Thanks for the reply’s Fellas   some more ideas to work through forgot to add that the water is at boiling point and the overheating light (red) comes on...   I’m sure it’s something electrical Will keep playing around with it      Any more ideas that I can try Fire Away       

13

Omega General Help / Help! Both Radiator fan and Ac fan are not working Omega Estate 2.2 dti 2003

« on: 09 September 2020, 19:26:08 »

Neither Radiator fan or Ac fan is coming on (the small fan in the relay box does come on tho) the car is overheating, touching the pins on the plug in the relay compartment shows both fans work on both speeds,  I  Have changed basically all the relays to new ones changed all 3 of the sensors (Bottom Radiator) And two in the engine next to the thermostat, (have removed the thermostat for now to allow it to heat up slower on short journeys) Have cheeked the water pump and coolant flow and levels All Ok!   running out of things to try... wanted to see if anyone Had any answers or solutions?   Many Thanks Guys

14

Omega General Help / Re: cooling fans not coming on :(

« on: 09 September 2020, 19:15:42 »

Any luck with the Omega fan issue? I have a similar issue in that neither of the fans radiator or ac are coming on and the car is overheating, Have changed basically all the relays to new ones changed all 3 of the sensors and running out of things to try... wanted to see if you had any luck