Topic: N/S exhaust manifold gasket (2.5 V6) (Read 4118 times)

Webby the Bear · « **on:** 19 July 2021, 21:58:10 »

Hi gays, I mean guys. hope ur all well and staying safe 😎😃

I have tonight finished removing the n/s exhaust manifold to replace the nackered gasket and finally get rid of the exhaust noise I’ve had for ages now.

Firstly what a knob of a job this was. I’m very much not looking forward to putting it all back together 🤮🤮🤮🤣🤣🤣

Anyway rang Vauxhall earlier and the gasket is no longer available, though I was able to order 2 x manifold to down pipe nuts lol

So can anyone help me out and sell me a gasket or can you give me a link to a good online equivalent? I understand the layered steel ones are the way to go. I’d previously fitted a graphite one which didn’t last. But hey ho we live n learn. Cheers oof brothers

Doctor Gollum · « **Reply #1 on:** 19 July 2021, 23:27:50 »

Victor Reinz would be a good starting point

Webby the Bear · « **Reply #2 on:** 20 July 2021, 10:17:57 »

Thanks DG but need something this week. U got a link to a UK supplier?

Nick W · « **Reply #3 on:** 20 July 2021, 10:46:59 »

Quote from: Webby the Bear on 20 July 2021, 10:17:57

Thanks DG but need something this week. U got a link to a UK supplier?

Lots of them on Ebay, just search for Vauxhall V6 exhaust gasket. The later multi layer steel ones for non EGR manifolds are a lot more expensive.

Webby the Bear · « **Reply #4 on:** 20 July 2021, 13:30:15 »

Thanks guys. Found an FAI steel gasket but for 3.2. Can I use this or they different? Certainly looks the same 👍

Nick W · « **Reply #5 on:** 20 July 2021, 13:39:48 »

Quote from: Webby the Bear on 20 July 2021, 13:30:15

Thanks guys. Found an FAI steel gasket but for 3.2. Can I use this or they different? Certainly looks the same 👍

Yes, but it will blank off the EGR ports in the head. That's not necessarily a bad thing.

Now would be a good time to upgrade to the later manifolds.....

Webby the Bear · « **Reply #6 on:** 20 July 2021, 16:09:43 »

Thanks Nick. Great idea but I just don’t have any time. Also motivation is wavering with the thought of not being able to run the omega in 5 years with E10 coming in 😩😩😩😩

Doctor Gollum · « **Reply #7 on:** 20 July 2021, 17:00:33 »

Why not? upgrade the rubbery parts of the system and get over it

The bulk of the fuel system on the Omega is hardlined, so Ethanol shouldn't affect it significantly, and the bits that will be affected are perishable anyway, so on a 25 year old car may well require imminent replacement.

dave the builder · « **Reply #8 on:** 20 July 2021, 17:08:00 »

I thought E10 only affected the 2,2 direct injection $:-\$

18+ year old rubber parts need inspecting and/or replacing anyway

Webby the Bear · « **Reply #9 on:** 20 July 2021, 18:21:26 »

Has anyone run their omega on it? Would be curious to know about how it runs 🤔

Nick W · « **Reply #10 on:** 20 July 2021, 19:58:41 »

Quote from: Webby the Bear on 20 July 2021, 18:21:26

Has anyone run their omega on it? Would be curious to know about how it runs 🤔

it's still mostly petrol, so unless you drive your car on the rev limiter all the time you're unlikely to notice a difference. Until the rubber parts in the fuel system fail. But that's one of the downsides of running old vehicles

STEMO · « **Reply #11 on:** 20 July 2021, 20:00:39 »

Quote from: Webby the Bear on 20 July 2021, 18:21:26

Has anyone run their omega on it? Would be curious to know about how it runs 🤔

Doesn't matter. If it's lumpy at idle and is slow to accelerate, you wouldn't notice any difference.

Webby the Bear · « **Reply #12 on:** 20 July 2021, 20:12:54 »

😂😂😂😂😂😂😂😂😂 true that Steve 🤣🤣🤣🤣🤣🤣

Andy B · « **Reply #13 on:** 20 July 2021, 22:42:26 »

Quote from: Webby the Bear on 20 July 2021, 18:21:26

Has anyone run their omega on it? Would be curious to know about how it runs 🤔

Wasn't it E10 that Nige/Entwood to have problems with in French France while towing. IIRC he'd get the management light on while over there

Webby the Bear · « **Reply #14 on:** 20 July 2021, 23:14:30 »

Maybe EML on for knock sensor detecting a bit of predetonation?

I wonder if there’ll be an additive for older cars to use with it?

johnnydog · « **Reply #15 on:** 21 July 2021, 01:15:03 »

Millers Oils currently have their VSPe which is for pre cat vehicles, ie. vehicles that initially ran on leaded fuel which offers valve seat protection AND it protects against the harmful effects of ethanol in fuel up to E10. It also stabilses fuel and reduces the degrading of fuel.
I've used the original VSP since the demise of leaded fuel in 2000 in my 60 / 70's classic Triumphs, and more recently their more advanced VSPe for the additional protection against ethanol in unleaded fuels. It is Manganese based, and in my opinion one of the better additives available.
Hopefully, they may develop their fuel additives to protect against E10 in cat equipped vehicles that otherwise couldn't use E10 fuels.

BazaJT · « **Reply #16 on:** 21 July 2021, 13:18:54 »

I thought E5 would still be available but more expensive than E10 much like standard fuel and super duper fuel is now?

Webby the Bear · « **Reply #17 on:** 21 July 2021, 13:30:28 »

My understanding is E5 will be available as super unleaded for 5 years. But who knows whether the government will chop and change their mind. I vaguely remember once being encouraged to buy a diesel 🤦‍♂️

Doctor Gollum · « **Reply #18 on:** 21 July 2021, 16:03:17 »

That will never catch on

BazaJT · « **Reply #19 on:** 21 July 2021, 19:19:52 »

Good job both my Volvos can run on E10 then,as can all Volvos from 1976 onwards apart from the S/V40s with the 1.8 GDI engine-which I believe is a Mitsubishi engine.

STEMO · « **Reply #20 on:** 21 July 2021, 19:21:43 »

Quote from: BazaJT on 21 July 2021, 19:19:52

Good job both my Volvos can run on E10 then,as can all Volvos from 1976 onwards apart from the S/V40s with the 1.8 GDI engine-which I believe is a Mitsubishi engine.

Most of the cars owned on here will be bean tins before E10 is the only fuel available.

BazaJT · « **Reply #21 on:** 21 July 2021, 19:24:07 »

My Omega certainly will be.

Nick W · « **Reply #22 on:** 21 July 2021, 20:50:38 »

Quote from: BazaJT on 21 July 2021, 19:19:52

Good job both my Volvos can run on E10 then,as can all Volvos from 1976 onwards apart from the S/V40s with the 1.8 GDI engine-which I believe is a Mitsubishi engine.

It is. But it self-destructs long before you'll ever suffer any problems from ethanol. Not to mention that even when it's running properly, it's crap.

STEMO · « **Reply #23 on:** 21 July 2021, 21:00:55 »

My old Volvo had a Renault engine, and was built in Holland

cam.in.head · « **Reply #24 on:** 22 July 2021, 18:50:59 »

or just use esso synergy petrol. its 99 ron super unleaded with zero ethanol content .
its what ive started using now on all mine.
and it also means you can run older cars back onto their original ignition timing settings with no pinking.

Migv6 le Frog Fan · « **Reply #25 on:** 22 July 2021, 19:24:35 »

Quote from: STEMO on 21 July 2021, 21:00:55

My old Volvo had a Renault engine, and was built in Holland
[/quote

No upside whatsoever with that combination.

Having said that. My Porsche was built in Finland, and they are obviously as good at electrics as the French. Almost everything that goes wrong with them is electrical issues.

Nick W · « **Reply #26 on:** 22 July 2021, 20:45:06 »

Quote from: Migv6 le Frog Fan on 22 July 2021, 19:24:35

Having said that. My Porsche was built in Finland, and they are obviously as good at electrics as the French. Almost everything that goes wrong with them is electrical issues.

as a friend said of his Audis(an S6 and A1) - if it says Bosch on it, it will go wrong.
There are a lot of Bosch parts in German cars...

Webby the Bear · « **Reply #27 on:** 25 July 2021, 21:07:55 »

Hi guys. Not bumping but I thought I’d let you know the manifold went back on and she’s quiet as a mouse. Touch wood of course. Putting it back together was an absolute horror show. My only good arm is chewed up to fcku. The gasket I got had of course the 7 holes for the studs but two of them weren’t big enough 😬😬😬 I of course only realised this after fighting with it for two hours 😩😩😩 I then simply opened them up a couple of mil and wallop goes on instantly 🤦‍♂️🤦‍♂️🤦‍♂️

Anyways happy omega owner…… til the next thing.

Andy B · « **Reply #28 on:** 25 July 2021, 21:18:48 »

Quote from: Webby the Bear on 25 July 2021, 21:07:55

Hi guys. Not bumping but I thought I’d let you know the manifold went back on and she’s quiet as a mouse. Touch wood of course. Putting it back together was an absolute horror show. My only good arm is chewed up to fcku. The gasket I got had of course the 7 holes for the studs but two of them weren’t big enough 😬😬😬 I of course only realised this after fighting with it for two hours 😩😩😩 I then simply opened them up a couple of mil and wallop goes on instantly 🤦‍♂️🤦‍♂️🤦‍♂️

Anyways happy omega owner…… til the next thing.

Glad you're sorted ....
I've no idea how you manage with just one good arm

Migv6 le Frog Fan · « **Reply #29 on:** 25 July 2021, 22:50:24 »

Me neither. I wouldnt fancy doing that job with two good arms.
Respect, young bear.

Enceladus · « **Reply #30 on:** 26 July 2021, 03:09:36 »

What make was the gasket you ended up using?
Was it the later multi-layer type with no EGR ports?

Webby the Bear · « **Reply #31 on:** 26 July 2021, 13:17:50 »

Thanks men much appreciated 🥰👍👍👍

I ended up using a BGA one. Not happy about the brand or the type (graphite one with silver coating) but I needed the motor back on the road ASAP and was all I could get quick. Also now the manifold blow has gone I can now hear a dead lifter more clearly. Honestly it never stops. Oh and the drivers side has a small blow on start up but goes after few seconds.

Happy for now but as usual more shit to do in future. And that drivers side looks even more painful with fekking great coolant pipe running parallel with the manifold 😩😩😩

A job for next year I think 👌

Nick W · « **Reply #32 on:** 26 July 2021, 17:06:35 »

Quote from: Webby the Bear on 26 July 2021, 13:17:50

Thanks men much appreciated 🥰👍👍👍

I ended up using a BGA one. Not happy about the brand or the type (graphite one with silver coating) but I needed the motor back on the road ASAP and was all I could get quick. Also now the manifold blow has gone I can now hear a dead lifter more clearly. Honestly it never stops. Oh and the drivers side has a small blow on start up but goes after few seconds.

Happy for now but as usual more shit to do in future. And that drivers side looks even more painful with fekking great coolant pipe running parallel with the manifold 😩😩😩

A job for next year I think 👌

Coolant pipe is easily*** removed. You do that before lifting the head with the exhaust manifold still attached.

*** that's easily in that the fiddly bits have nothing to do with the exhaust manifold

Webby the Bear · « **Reply #33 on:** 27 July 2021, 11:10:43 »

So head has to come off for drivers side? 🤦‍♂️

Nick W · « **Reply #34 on:** 27 July 2021, 12:29:00 »

Quote from: Webby the Bear on 27 July 2021, 11:10:43

So head has to come off for drivers side? 🤦‍♂️

No. It's probably easier than the passenger side due to there being a lot less stuff in the way.

I changed my exhaust manifolds as part of the head gasket job. To do that, I removed and refitted the heads with the manifolds fitted to them.

I did remove the coolant rail before lifting the head, because it was in the way of something else I needed to undo. But I don't remember what that was

Migv6 le Frog Fan · « **Reply #35 on:** 27 July 2021, 12:41:48 »

From memory, as its been a while - removing the big shiny coolant pipe isnt difficult. Unbolt support bracket, then possibly with the help of a mirror, undo the two bolts at the rear. Job done.
Then, as nick says, theres less stuff to get in the way, so that fanimold should be easier than the other one.

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Author Topic: N/S exhaust manifold gasket (2.5 V6) (Read 4118 times)