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61

Omega General Help / Re: running temperature

« on: 24 March 2014, 22:51:02 »

Just do as FD said, he may have got it from my post a little while ago.
Just push the recirculate button on and then off, it totally cured my misting.
The engine doesn't need to be up to temperature either.
The heating ecu forgets where the flap is and turning on and off re-sets it.
Its steaming up because your re-circulating warm damp air from inside the car.
Also make sure the aircon is working ok as this also dries the air, but note, 
the aircon does not come on below 5 deg. (according to a previous post).
The outside air would be cold enough anyway.
It also helps, if you turn off the rear seat vents and the middle front, it sends
more air to the screen vent.
My temp gauge runs just under 85 deg, which seems to be normal according to the group.

62

Omega General Help / Re: New Tyre recommendation

« on: 02 March 2014, 17:47:29 »

Just had a look at the original thread on tyres, and there is a lot of mentions about setting up suspension and steering
for the different tyres. Sounds interesting. Is there a thread about this anywhere.

63

Omega General Help / Re: Steamy windows

« on: 22 February 2014, 23:52:18 »

Had the same problem as Kevin & dublin.jd. Now TOTALLY cured by recycling the recirculation button now and again,
which resets the flap position to the ECU which forgets.
Turn on the screen booster, and you should hear the airflow change when you turn the recirc on and off.
Also it was mentioned on the forum the other week that the aircon only operates above 5 deg. so no good on
a frosty morning.
Found it also helps if its really cold, to turn off the rear seat heating vents and the middle ones in the front.

64

Omega General Help / Re: Engine rattle??

« on: 05 February 2014, 22:27:59 »

Thanks guys, at least I now know it's inbuilt and nothing serious.

Next time it's in the garage, i'll get it checked.

Wouldn't this make the oil pressure light come on?

65

Omega General Help / Re: Engine rattle??

« on: 04 February 2014, 23:56:44 »

One last stab at possible cause before I get paranoid.

A better description would be a quiet rattle a bit like a diesel and only sometimes when pulling away.
Gets a bit louder with a heavier foot. Doesn't do it when just revving the engine and quiet when cruising.

Could a faulty knock sensor cause this without bringing up a fault code? or would this be a higher pitch.

Just given it the petrol treatment and now running a tank of V Power.
Might be wishful thinking, but, is it getting quieter

My previous 2.5 V6 Manual didn't have this rattle and I had that for 14 years. Maybe it's a 2.6 thing.

 

66

Omega General Help / Re: Engine rattle??

« on: 11 January 2014, 00:09:14 »

No, neither of those, thank god, first one much too tinny and loud and the other one just nothing like it.
I'd really be getting worried if I had those.

I'm still sticking to piston slap, but why on an engine with low mileage. Going by the rest of the car, I wouldn't think it had been thrashed.

I'll just have to stare at it tomorrow, usually works.

Thanks for the ideas

Ian

67

Omega General Help / Re: Engine rattle??

« on: 10 January 2014, 22:57:16 »

Haven't heard that one before, please explain further.

68

Omega General Help / Re: Engine rattle??

« on: 10 January 2014, 22:49:44 »

Thanks for the replies minifreek and chrisgixer

Pretty sure its not the Cats, the sound is too deep and mechanical, but will still check tomorrow.
I don't think it's the gaskets for same reason. Had the full major service with oil changes all round about 500 miles ago to start off with a clean sheet, also updated engine and gearbox ECU's. Sound was there before and after service.
The best description is still a quiet piston slap, (can you get that these days)? but only sometimes when pulling away from stationary or low speed, goes away when cruising. Tried listening out the window, but I don't think you can hear it outside of the car.  Doesn't do it if just revved when stationary.
Hard to tell if it's top or bottom, but as it only happens when applying power I would go for below the heads.
Could it be sluggish knock sensors, although not getting any fault showing.
So I still need to check the Cats, but don't hold out hope for these.
Again, could it be gearbox (Auto)?    Was laid up for a year before I bought it, could the piston rings be stuck up?
It's a really nice car and in near mint condition with only 57500 on the clock. Genuine going by the near new look of the engine bay. But this silly noise sometimes just takes the edge off the enjoyment.

I had a 2.5 V6 manual CD for 14 years before this one, and never noticed it on that, so not my driving.

Any more ideas.

Ian

69

Omega General Help / Re: Engine rattle??

« on: 10 January 2014, 11:35:04 »

That's a good one, hadn't thought of those.

I think the sound is a bit more mechanical, but I will check them out at the weekend.

Ian

70

Omega General Help / Engine rattle??

« on: 10 January 2014, 00:24:23 »

2.6 V6 CDX 2001  Auto 57,500 miles genuine, engine bay like new. Had it now for 6 months, and put about 2,500 on the clock. Had a full major service, oil change all round and Cam belt and tensioners changed, engine and gearbox ECU's updated to latest versions.
No fault codes.

I occasionally get a quite rattle a bit like a piston slap. Engine will run as quiet as you like for most of the time
but sometimes, if I stop at a junction it will then pull away with this rattle which will then slowly go away. More noticeable
at higher revs and pulling harder. Not very loud, but there. Speed of rattle seems to match engine speed. I don't think its cam followers, seem too low in tone. Did have cam rattle, but treatment seems to have cured it. Also think it's too loud to be injectors. No rattle if just revved up when stationary, only when under load. Engine temp doesn't seem to make any difference.
Could it be the auto gearbox?   Will check tomorrow to see if rattle speed changes with gear change.
Car had been SORN for 1 year before I bought it, so wondered if rings might be a bit sticky.

Any ideas
Ian

71

Omega Electrical and Audio Help / Re: Resets required after reconecting battery

« on: 08 January 2014, 00:29:52 »

Ron

The recirculation reset is, with the ignition on II, just turn on, wait a few seconds and then off. This tells the ECU where the flap is. If you listen you should be able to hear the flap operating. Also try turning on the demist boost and then, when you switch on and off the recirculation button, you should be able to hear the airflow change up to the window. This is when I discovered what the problem was. So for demist, make sure recirculation is off, and switch on the demist. Mine seems to work even before the aircon chills down, also the aircon doesn't operate below 5 deg. but it still demists.

Thank to all who have responded so far.

Ian

72

Omega Electrical and Audio Help / Resets required after reconecting battery

« on: 30 December 2013, 17:39:42 »

Hi

After doing a bit of browsing around the forum, getting to know possible future problems, I noticed several instances where resets were required on electrical items, for example:

Windows, one click closing: Close window and hold switch until you hear the relay click.

Sun roof positions resets: Push button on fully open, fully up, and I think, when shut

Aircon recirculation flap (this one totally solved my steaming up problem): Switch on and off. The ECU then knows where it is.

It would be interesting to know, what else to check after a battery disconnect / reconnect.

Ian

73

General Discussion Area / Re: F1

« on: 09 December 2013, 23:11:54 »

In my past life I did Spedeworth Hot rod racing. There, the more points you got, the further back you started.
That way we would see Vettel trying to fight his way through instead of of his usual disappearing out front.
With the Rods you had 25 laps to get past 25 cars, and they did.

74

Newbie Welcome Area / Hello

« on: 21 November 2013, 23:33:28 »

As I recently answered a post, I thought it about time I said hello to the group.

I have been a member for several months and have just been browsing through loads of posts
finding out all about my recently purchased 2001 2.6 CDX facelift. Were else could you find such a mine of information.
Purchased it with 55,500 (genuine) on the clock and immaculate throughout.
Had a major service and full cambelt change, just in case.
Previously had a 1998 CD from new as a company car which I purchased when I left.
Brilliant car but was starting to get a bit tatty and sad, then saw the facelift in Auto Trader which just kept calling me.
The rest is history.

Great forum and on a par with the Land Rover UK forum (Wife's Discovery1)

75

Omega General Help / Re: KEY FOB STOPPED OPENING CAR

« on: 20 November 2013, 13:38:29 »

The micro switches might also need replacing, did mine and now works like new. Some of the case suppliers also supply the switches.