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1111

Omega General Help / Re: Just Curious

« on: 23 January 2014, 03:13:41 »

6,500 rpm to tickover and there is no vacuum in the plenum? Do I understand you correctly?

no you dont understand me read my post "crankcase will be under positive pressure". read the taxi experts article on blow by.

now youve got me wrestling with pigs.  im not going to argue stupid points like is there a vacuum in the plenum THE CRANKCASE WILL BE UNDER POSITIVE PRESSURE.  look it up or just stick your mouth over the oil filler and get someone to rev the car.  in gear.   forward preferred but reverse will do.


Type the letters shown in the picture:
What do the letters OOF (our forums initials) stand for? See image at top left of page.:
What colour is the indicator on European cars, also a fruit?:

1112

Newbie Welcome Area / Re: Type the letters shown in the picture: How many road wheels are fitted to the ca

« on: 23 January 2014, 01:38:44 »

thanks very much at least i know now.

its not very welcoming though is it?

maybe that is the nature here have you seen http://www.omegaowners.com/forum/index.php?topic=120559.0?

1113

Newbie Welcome Area / Type the letters shown in the picture: How many road wheels are fitted to the ca

« on: 23 January 2014, 01:32:07 »

how long do I keep having to answer these stoopid questions every time i post?

Verification:
Type the letters shown in the picture
What colour is the indicator on European cars, also a fruit?:
If my car is a manual, what is the left foot pedal?:

1114

Omega General Help / Re: Just Curious

« on: 23 January 2014, 01:25:14 »

im actually a bit shocked by this thread.  its like some feeding frenzy in a nature program.  lords and barons ganging up on a junior. some people should be ashamed.

ive not read all of the huge number of posts since i last posted ITS TOO BORING but there is a lot of crap being spoken here. crankcase will be under positive pressure that is why there is a breather system.  as mentioned just open the oil filler cap and feel it with your hand. anyway a prv valve would not let air in it only opens to release pressure thats why its called a pressure relief VALVE. so why keep asking if the op wants to let air in his system he doesnt. some one said 5 quid on a prv would be better spent on a scratch card. yes if it was a winning card.  no if at some point in the cars life if your theories about blocked breathers being the cause are correct the gaskets will leak due to crankcase air pressure pushing oil thru. how much does that cost to fix? if a prv is fitted the pressure will be vented through the oil filler cap and the gasket will be saved giving u time to clean the breathers. you'll know they need doing cos there will be stains on the bright yellow by the prv exit.

Type the letters shown in the picture:
How many road wheels are fitted to the car (digit, not spelled out)?:
What colour is the indicator on European cars, also a fruit?:

1115

Omega General Help / Re: 2.6 V6 alternator

« on: 22 January 2014, 17:29:21 »

thanks to the helpful jcrsupplies.co.uk i now know that there are 3 things that could need replacing in my alternator

bearings (2 off)
regulator
rectifier

the rectifier is the large black plastic and ally thing on the back that the reg attaches to.  it is expensive £38? and seems to just be some potted diodes i assume I can test it simply with a diode check.  i also assume it very rarely fails?  im still tempted to only replace the reg.


Type the letters shown in the picture:
What do the letters OOF (our forums initials) stand for? See image at top left of page.:
How many road wheels are fitted to the car (digit, not spelled out)?:

1116

Omega General Help / Re: 2.6 V6 alternator

« on: 22 January 2014, 17:16:38 »

alternator is out now  wasn't as difficult as I expected.  in fact getting the bag pipes out was the worst bit.  i had already taken the rad bottom cover off but that was not needed i could get a small drive and 11mm socket round the back ok from above.  had to put a crowbar on the alt to move it mind.

the two long bolts were in opposite ways  torx end at back on top bolt and at front on bottom one is that normal?  no spring washers either.

now its out it the bearing seem fine no play i can feel.  im tempted to skip bearing replacement and just replace the reg.  are they any other things to replace eg diodes?

im new how long do i have to keep filling in this verification code for? its annoying.
Type the letters shown in the picture:
How many road wheels are fitted to the car (digit, not spelled out)?:
What colour is the indicator on European cars, also a fruit?:

1117

Omega General Help / Re: Just Curious

« on: 22 January 2014, 03:58:19 »

what a weird thread and what a great idea. the intro of seatbelts must of got the same reception here - 'just dont crash' repeated 100 times. airbags must have been laffed off the forum. 

ive ordered a small prv for a fiver and will install it in the oil filler cap.  releases at about 5psi which should save a gasket eventually.

1118

Omega General Help / Re: 2.6 V6 alternator

« on: 21 January 2014, 17:40:51 »

are the connectors the same on all V6 alternators though? 

if i go down the recon myself route, do i need to change the diode as well as the reg and bearings?

thanks

1119

Omega General Help / Re: 2.6 V6 alternator

« on: 21 January 2014, 14:35:23 »

just took the sump guard off and managed to read the back of the old one - it is a 120a xa. this is as vauxhall say it should be for my car but the alternator looks like the 140a xj not the 120a xa in their catalogue, very odd.  the xa diagram shows the mounting holes 180 degrees apart at opposite ends of the body, mine has holes much closer  120 degree approx

part number i read is  091 0 124 515 049

decision now is
1 buy scrap one £30 and take the chance it will last
2 buy a refurb regulator £20 and hope that was the problem
3 buy a new pattern alternator or remanufactured £50-£60
4 buy a new bosch one £480!

1120

Omega General Help / 2.6 V6 alternator

« on: 21 January 2014, 01:18:08 »

hi my alternator packed up at the weekend  it looks very like the 140a one not the bosch 120a. defo not like the one in the guide here.

i cant see a part number but bosch is printed on the black plastic back (regulator?)

am i going to have to get another 140a to fit or will any others fit? 140s seem to be hard to find. anyone know the bosch part number for the 140?

no bearing noise so i guess the regulator is gone, is the reg standard and is it possible to fit a new regulator with removing the alternator?

its a 2001 elite V2.6 full face lift

thanks