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Author Topic: 2.2 Facelift Spark Plug Gap  (Read 2311 times)

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Brian T

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2.2 Facelift Spark Plug Gap
« on: 12 July 2008, 10:39:42 »
Guy's and Gals,

I'm about to change the plugs on my car and the how too states that the gap should be 1.00 mm. however the GM plugs (FLR8LDCU) out of the box are .75mm and the Haynes book of lies says don't adjust the gap on Dual electrode plugs.

So whats the consensus? :-/
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TheBoy

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Re: 2.2 Facelift Spark Plug Gap
« Reply #1 on: 12 July 2008, 10:57:38 »
fit the gm, do not adjust.
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feeutfo

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Re: 2.2 Facelift Spark Plug Gap
« Reply #2 on: 12 July 2008, 11:00:44 »
Me, i'd just wack em in as is.
Is it important these days?
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Brian T

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Re: 2.2 Facelift Spark Plug Gap
« Reply #3 on: 12 July 2008, 11:03:06 »
cheers guy's let's see if I can manage it before the rain comes down then!
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cbs2

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Re: 2.2 Facelift Spark Plug Gap
« Reply #4 on: 12 July 2008, 11:04:30 »
I think it was only important on the older single electrode types.
The new multi tips are preset, so just whack 'em in
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feeutfo

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Re: 2.2 Facelift Spark Plug Gap
« Reply #5 on: 12 July 2008, 11:08:29 »
i really must read more thoroughly. Dual electrodes (and 4) come in from the side? So bending the electrode will not adjust the gap in the same way a single electrode will, as it comes in from the the bottom. If you know what i mean.
« Last Edit: 12 July 2008, 11:10:52 by chrisgixer »
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Brian T

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Re: 2.2 Facelift Spark Plug Gap
« Reply #6 on: 12 July 2008, 11:13:41 »
OK I've removed the coil pack and the 4 rubbery bit's that go down to the plugs are dripping in Oil is that right or should I have major worried?
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feeutfo

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Re: 2.2 Facelift Spark Plug Gap
« Reply #7 on: 12 July 2008, 11:17:29 »
on v6 its caused by blown cam cover gaskits, caused by blocked breathers, yours is 2.2 which i an not familiar with. But sounds similar prob.
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philhoward

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Re: 2.2 Facelift Spark Plug Gap
« Reply #8 on: 12 July 2008, 11:18:53 »
That's not too good...Time for a breather cleanout and a new gasket.  Oil down there can cause misfiring, fault codes 'n' all sorts...

Sorry to be the bearer of bad news..
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Brian T

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Re: 2.2 Facelift Spark Plug Gap
« Reply #9 on: 12 July 2008, 11:21:39 »
should I carry on changing the plugs or put it all back untill I can do the cam cover gasket
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feeutfo

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Re: 2.2 Facelift Spark Plug Gap
« Reply #10 on: 12 July 2008, 11:26:57 »
ideally, dont drive it til fixed but you prob need car to get gaskit. Depends how worried you are about further damage, but its prob been like it a while. Up to you. Do vx  parts depts close at 12 or 1?
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Brian T

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Re: 2.2 Facelift Spark Plug Gap
« Reply #11 on: 12 July 2008, 11:32:33 »
Is this something I should try myself or should I take it to a garage?
I'm technically minded by ususaly think about donning the brown trousers when it comes to anything more than a service on the car.
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feeutfo

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Re: 2.2 Facelift Spark Plug Gap
« Reply #12 on: 12 July 2008, 11:37:37 »
diy for me.
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mark.adams

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Re: 2.2 Facelift Spark Plug Gap
« Reply #13 on: 12 July 2008, 12:21:46 »
Changing the cam cover gasket on a facelift 2.2 is a doddle, i did it..
As long as you're anal about cleaning everything so it doesn't leak again, you'll be fine.
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Brian T

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Re: 2.2 Facelift Spark Plug Gap
« Reply #14 on: 12 July 2008, 12:25:35 »
I've left the old plugs in for now and put it all back together it fired up OK.

I don't feel confident enough to tackle the gasket on my own so I'm going to phone round on Monday and see how much I'm going to get mugged charged to get it done in a garage.
What symptoms should I have noticed that this had happened or was happening?

The car rarely does in excess of 2k miles per year but in 8 weeks I'm of to Cornwall for a 1k mile round trip holiday.....or maybe I'm not! :'(
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