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Messages - Diamond Black Geezer

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1
Omega General Help / Re: V6 top end rattle
« on: 29 September 2020, 21:17:29 »
PS caminhead haven't ignored you, will check if any difference without aux belt tomorrow when she gives my car back after she's finished work  :y

2
Omega General Help / Re: V6 top end rattle
« on: 29 September 2020, 21:15:17 »
Condition of belt itself no issue, no suggestion of cracking etc. Not hugely sure what would be visually amiss but the pulleys all seemed fine. Certainly no plastic or metal swarf or anything obvious.

Had a listening stick on it after a 20min drive. Rattle audible over 2krpm and definitely NS bank at the front. Quieter or more muffled soon as you go away from that area.

3
Omega General Help / Re: V6 top end rattle
« on: 29 September 2020, 19:41:35 »
Haven't, but happy to. Pulley regreased during strip down.
Definitely higher up though I'd say about where the thermostat is. Which is odd. But around the two front cylinders at any rate.
Had a mate suggest excessive lifter clearances may be causing it.

4
Omega General Help / Re: V6 top end rattle
« on: 29 September 2020, 18:55:10 »
Well....

Still doing it  ::)

Changed waterpump, left 24hrs for sealant to go odd. Rocker cover gaskets done as discovered oil in the NS plugwells. (wells were dry when I did the spark plugs a few months ago. So caught in time)
Nipped up jubbly clip, that's cured the coolant leak up front, as has doing the waterpump.
Car was run for 30mins to get all airlocks out of coolant.
Going for test drive later, see if she quietens down any.

Sounds like a rasp, or grating, becomes audible at approx 2krpm and 'loud' at about 3krpm.

5
Omega General Help / Re: V6 top end rattle
« on: 26 September 2020, 11:58:34 »
No. I agree, it's stupid. Depends if you need the car back on the road or not. Which I do.

I've got one on order, it's theoretically here Monday midday, so if u do the camcovers this weekend, water pump and other leaks Monday, 24hrs to dry Tuesday then car back on road weds.  :y

And I'm at work all of those days too!  :D ;D

6
Omega General Help / Re: V6 top end rattle
« on: 26 September 2020, 10:52:21 »
My only worry is car needs to be assembled, shakedown ready for her, tuesday. If I order one now they're saying here weds.

I do appreciate your points. I want to stick genuine GM pump on, with new o rings, correct sealant etc, as per textbook, I always try to do the best job I can. But I'm against time. My next thought is run with the leak, and whenever the pump gets here, soon as I have a day or two (time for sealant to dry, another time issue) then get it done then...just costs me coolant. Ugh.

7
Omega General Help / Re: V6 top end rattle
« on: 26 September 2020, 09:25:14 »
Id say so aye, though the stat is a weep but the water pump is a drip, so probably going to whip the pump off today, gobbo it up with grey sealent, see if that cures it. banking on that it's just the larger o-ring seal, rather than the actual internal seal. If it doesnt cure it, I've lost nothing, and will replace whole unit when timing's done, whenever that is.  :y

8
Omega General Help / Re: V6 top end rattle
« on: 26 September 2020, 08:57:24 »
same as the 'motorbike' 10w40 in a 1 litre tub is twice the price of the 'car' 10w40 in a 5 litre tub...

Oh, update, it's 2 mins to 9am, this morning I got the OS rocker cover off, small area of likely oil leakage, thats fine,
done a pressure test (15psi) on the coolant system to trace a leak, small weep at the thermostat (done 3-4 years ago) and the waterpump is leaking (done 3-4 years ago)


9
Omega General Help / Re: V6 top end rattle
« on: 25 September 2020, 23:14:18 »
40K? You could time it so you do the cam cover gaskets with the cam belt.  ::)

Haha. Yeah not a bad thought! About the same interval for my wiperblades and a wash n wax  too  ;D ;D

10
Omega General Help / Re: V6 top end rattle
« on: 25 September 2020, 22:38:35 »
That's a surprise! Right that's fine then. Because it's up against fairly harsh conditions and temperatures I wasn't sure if 'lesser' sealants would just give up after a while (genuine Vx was used last time and that's not really lasted as long as I'd have liked at approx 40K)

11
Omega General Help / Re: V6 top end rattle
« on: 25 September 2020, 22:22:02 »
I believe 5980 is what Helfrods stock... :y

This is true, as I say that's what we got at work  :y it looks fine, but want to be sure.  :)

12
Omega General Help / Re: V6 top end rattle
« on: 25 September 2020, 22:14:04 »
Right, upon examination of the OS bank of plugs, because why not ..I discover oil in the plugwells! Not a huge amount and it's not got up the HTs yet, so the coil pack is safe. Point being...

It's clearly time to redo the rocker gaskets. I have the rubber in stock, but no black goo. This needs sourcing asap, plenty online but need it now, can't really be waiting for postage, as I normally would.

Passed a Vx dealer on way to work today, they can't get any till weds...ish ( ::) )
At work we have Granville RTV and Loctite SI 5980 black sealant. I know Loctite's 5699 is recommended on here but can't see a difference between that and this 5980. Thoughts? Ta in advance.

13
Omega General Help / Re: V6 top end rattle
« on: 24 September 2020, 15:49:46 »
To be more accurate - mine also brings up Oil lack or Oil Level when she hits mid point. Technically she's a little above mid point, at which point I chuck a glug in (I guess 100-200ml or so)

14
Omega General Help / Re: V6 top end rattle
« on: 24 September 2020, 15:02:50 »
Does sound like comically low oil, I'll grant you. But sadly yes, checked. She gets checked every few days what with this oil leak. Bob between max and min as per usual.  :y

15
Omega General Help / Re: V6 top end rattle
« on: 24 September 2020, 14:42:45 »
nice tip. Heard people say a splash of diesel (seems a little extreme/scary) but always a bit anxious when "I reckon/my mate's brother says he swears by..." etc..

But coming from you I know that will be from experience and knowledge, ta  :y

Don't think it's timing starting to die then, Nick?




Diesel will just dilute the oil.


ATF is a thin oil with lots of detergent, and that's what all the expensive cures add. You probably already have some, so although it isn't quite as effective it will do the job.


Cam timing doesn't gradually slip. It shouldn't change AT ALL between belt changes. But if something fails, you have a big problem. It might be worth peeking inside the belt cover for visible damage

confirms what a mate of mine well-versed in Vauxhall 6s and other motors said.

Even as a matter of course, yes going to have a look at the belt/general signs of wear behind the cover, not a long job to get to it.

Do have some ATF about, probably not enough for a full 'box change so may be useful for that as you say. Checked oil change done June, 3.8k ago. 

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