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1

Omega Electrical and Audio Help / Re: Location of trailer bulb failure sensor?

« on: 15 May 2007, 21:57:47 »

hi i fit towbars at work quite often and we use a six way bulb failure by-pass relay which is very reliable i have a couple spare with switchable buzzer ill send you one if you want

cheers

2

Omega Electrical and Audio Help / Re: Alarm fault soon after locking: Omega 2.6 2001

« on: 17 May 2007, 20:30:56 »

iv'e replaced and adjusted loads of bonnet ajar switches on vauxhalls seems like a very good place to start , if you press the lock button twice for deadlocks - are they all working ok

3

Omega General Help / Re: Dis Pack or Not

« on: 16 June 2007, 22:20:55 »

i only lost one cylinder and the dis pack was the culprit and mine looked in better condition than yours

4

Omega General Help / Re: DIS pack failure

« on: 02 June 2007, 23:08:55 »

i cant believe im reading this , today my mv6 started running rough and after elimination it turns out no5 isnt firing i changed the lead with no avail , i was confused as i know its wasted spark however from experience on fords i know the zetec wasted spark coils commonly drop no2 . so its a coil pack for me too im afraid .

5

Omega General Help / Re: possible sticking valve???????

« on: 17 May 2007, 20:16:03 »

we had a shogun in the garage and the customer was convinced something was broken inside the head and sure enough the exhaust manifold was fractured...sounded like a broken follower...never assume the worst

6

Omega General Help / Re: Does antifreeze affect cooling ability

« on: 13 May 2007, 17:27:35 »

50/50 mix of ethylene glycol has many advantages over pure water , melting freezing boiling points , but also the pressure is greatly reduced within the system , the flow rate is increased and the weight is reduced ,

this link gives all properties in relation to mix ratio in comparrison to pure water,

hope it helps


http://www.engineeringtoolbox.com/ethylene-glycol-d_146.html

7

Omega General Help / Re: Does antifreeze affect cooling ability

« on: 13 May 2007, 17:06:44 »

anti freeze does raise the boiling point , but its also a corrosion inhibitor , however i wouldn't see an issue short term provided there is no frost .

cheers

8

Omega General Help / Re: coolant in plugholes ! (mv6)

« on: 15 May 2007, 21:07:40 »

thats a good sugestion and thats what ill do , ill change the leads and plugs as iv'e already bought them throw it back together and run it , the valve was changed six months ago - it was me that changed it !! ill do a compession test just to be safe , does anyone know what compression should be for the 3.0 with 105k

cheers

p.s. the fuel computer says 31mpg average can this be true , mainly rural runs with not much long haul

9

Omega General Help / Re: coolant in plugholes ! (mv6)

« on: 14 May 2007, 19:06:35 »

hi i double checked the pipe running over the right bank , seems ok again the rocker cover is still bone dry , i pulled the leads out of the road and syphoned the liquid out , which turns out is over a quarter pint of coolant , i blanked off the pipes and hooked up my pressure tester with noresult and no pressure drop , i can't run it to pressurise as plenum in bits .

puzzled

10

Omega General Help / Re: coolant in plugholes ! (mv6)

« on: 13 May 2007, 17:32:37 »

i used a fancy snap on digital hydrometer , if the hoses check out is there any possibility of a crack in the head , im going to try another pressure test .
cheers

11

Omega General Help / Re: coolant in plugholes ! (mv6)

« on: 13 May 2007, 14:01:17 »

im pretty sure i checked that but access to the back of the lump isa bit tricky , what i did notice was when i took the expansion cap off coolant started to stream out the front of the bank and down the main hose but im pretty sure this is just run off , but i also found it strange that the top of the rocker cover is bone dry , you would never know there was water there until you took the leads off , is there any blanking plugs or core plugs on top of the head or between the plugs ,

thanks for the welcome

12

Omega General Help / coolant in plugholes ! (mv6)

« on: 13 May 2007, 13:06:12 »

hi , im a motor mechanic to trade however my knowledge on the mv6 is limited , yesterday i bought an r reg 3.0 mv6 for £100 as it has a few problems the main one being is the right hand bank isnt firing , i pulled the plenum chamber off and dug my way down to the plug leads, when i pulled the leads off i couldnt see the plugs , the holes were full of coolant , i know the heads and gaskets are good and obviously the water is grounding the ht but what im not sure of is , is where is the coolant coming from and is this common or am i taking the car to the knackers yard .

any ideas appreciated
thanks

p.s. i know its coolant as i tested the anti freeze level and its the same mix as the expansion tank .

13

Omega General Help / Re: Rough raunning when cold

« on: 14 May 2007, 21:07:18 »

iv'e just checked autodata and the only listed known for your engine is the wiring harness onto the ecu coolant temp sensor , however iv'e rarely seen it happen as i work on these engines quite often , apparently the connection causes an increase in resistance which doesn't provide proper enrichment for cold starting .

hope it helps

14

Omega General Help / Re: What engine?

« on: 13 May 2007, 22:00:38 »

in my opinion i think your best option is to source a lump from an omega as the cav is transverse and would require all mounts and pulley mounts to be changed also the original block would require extensive thread cleaning where the mounts would go, the sump may not match and .... i dont think it would be worth your while ,
sorry,just my opinion ,others may know different

cheers

15

Omega General Help / Re: What engine?

« on: 13 May 2007, 16:13:47 »

hi according to my autodata cd the 2.0 16 v from 96 - 00 are all x20xev 136bhp @ 5400 rpm or 100kw , as are the 94-96

hope this helps