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Author Subject: Spark plugs wont budge
nick!

Seasoned Pro

Location: Essex

Registered: 20 Nov 2007

Posts: 1,191

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Post #1
Hi guys,

Just went to change my sparkplugs over and I cant turn them at all.

Im using a proper sparkplug socket on them, trying to turn them anticlockwise but not having any luck.

Any advice?

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 13th Feb 2010 at 20:22
ryangti6

Seasoned Pro

Location: Pontypool

Registered: 01 Sep 2006

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Post #2
Are you trying with the engine hot or cold?

I always find it better to do when warm.

________________________________________

Ryan
Posted 13th Feb 2010 at 20:43
SteviePut

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Location: Down south

Registered: 20 Oct 2005

Posts: 13,637

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Post #3
Try harderThumbs up

________________________________________

My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?
Posted 13th Feb 2010 at 21:17
armzsc6

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Location: Crowborough

Registered: 22 Mar 2008

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Post #4
As he said, do when red hot also if very stuck spray a small ammount of release oil or wd40 etc down each plug hole but not a lot as you dont want it going into the cylinders much when removed. Leave to soak for a bit and then crack them off. I had real trouble with mine when i first got the car they hadnt been changed in ages and were clearly overtightened. I thought i was going to snap them to be honest but they did budge eventually.
When you fit the new ones only turn until you feel some resistance as the crush washer gets squished then stop.

________________________________________

Black power baby! SUUUUUPERCHARGED Superman
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Posted 13th Feb 2010 at 21:19
nick!

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Location: Essex

Registered: 20 Nov 2007

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Post #5
Engine was cold, will have another go tomorrow after letting it run for a while.

Will give the wd40 a go too, and these are deffo overtightened!

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 13th Feb 2010 at 21:28
jim01uk

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Post #6
are they all the same? if not it could be a sign they have been cross threaded when put back in last time.

only need to be 25ft-lbs, which is nothing really!

Posted 13th Feb 2010 at 21:38
SteviePut

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Post #7
Check out Jim with an informative postWhistle

Just crack them and they'll come outYes

________________________________________

My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?
Posted 13th Feb 2010 at 22:36
jim01uk

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Post #8
I did mine yesterday LOL

they were quite tight, even though I used a breaker bar to undo them - still had to lean on it a bit!

don't be a pussy about it!

Posted 13th Feb 2010 at 22:40
nick!

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Location: Essex

Registered: 20 Nov 2007

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Post #9
Didnt note if they were the same or not. I got the tool from halfords and tbh could do with a little more lenth on the handle LOL

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 14th Feb 2010 at 00:02
SteviePut

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Location: Down south

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Post #10
Are you jut using a "T" bar type thing with a flexi head on? If so get a ratchet on there with an extension. You'll soon get them outSmile

________________________________________

My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?
Posted 14th Feb 2010 at 00:16
nick!

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Location: Essex

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Post #11
Thats the one Steve, didnt realise the socket could come off it to use on a ratchet, will give it a go tomorrow Smile

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 14th Feb 2010 at 00:18
SteviePut

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Post #12
nick! wrote:
Thats the one Steve, didnt realise the socket could come off it to use on a ratchet, will give it a go tomorrow Smile


I don't know if the socket will come off yours tbh. But If it doesn't get yourself a plug socketSmile

________________________________________

My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?
Posted 14th Feb 2010 at 00:19
nick!

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Post #13
Just checked, and sods law it doesnt come off : lol

Will take it back tomorrow and tell them its no good, hopefully get a partial refund and proper socket in exchange.

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 14th Feb 2010 at 00:34
jim01uk

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Post #14
Get a proper 16mm spark plug socket with a rubber insert, and a 10" extender bar WITH LOCKING BALL fitting otherwise the spark plug socket pulls off the bar and gets stuck in the hole. Thumbs up
Posted 14th Feb 2010 at 00:42
mpaul

Regular

Location: Lossiemouth

Registered: 27 Jul 2009

Posts: 251

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Post #15
I did mine the other day as i was getting poor mpg. Used my 20 inch torque wrench as a breaker bar, and they came out ok. Fitted and tightened using a proper spark plug wrench.

Now just got a very cool 110 miles from
Posted 14th Feb 2010 at 00:47
nick!

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Post #16
I thought the socket just needs to be 10mm not 16mm?

Good mpg Paul!

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 14th Feb 2010 at 00:50
buzzbrightyear

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Location: hiding all receipts for car

Registered: 09 Jul 2008

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Post #17
jim01uk wrote:
Get a proper 16mm spark plug socket with a rubber insert, and a 10" extender bar WITH LOCKING BALL fitting otherwise the spark plug socket pulls off the bar and gets stuck in the hole. Thumbs up


then stick a 12 foot scaffolding tube on the end.
should shift then

________________________________________

andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 14th Feb 2010 at 00:58
jim01uk

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Post #18
nick! wrote:
I thought the socket just needs to be 10mm not 16mm?

Good mpg Paul!


I used the 16mm one from my halfords pro set. You could buy one of them while you're there Whistle
Posted 14th Feb 2010 at 00:59
mpaul

Regular

Location: Lossiemouth

Registered: 27 Jul 2009

Posts: 251

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Post #19
nick! wrote:
I thought the socket just needs to be 10mm not 16mm?

Good mpg Paul!


It is a 16mm socket you need. Had never done mine before. The worst bit was removing the spark plug cover for me. I didnt have an allen key and the back left bolt was a bit rounded.

Even little things like this though, its nice to do it yourself, when some people pay a garage to do it.
Posted 14th Feb 2010 at 01:00
pete-gti

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Location: Kent

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Post #20
17mm socket works for me
Posted 14th Feb 2010 at 01:16
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #21
some are called 10mm because of the thread of the 16mm AF plug.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 14th Feb 2010 at 01:26
nick!

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Location: Essex

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Post #22
Im just getting confused now!

The socket thing I bought is 10mm and fits on fine, so why would I replace it with a 16mm one? surely too big?

________________________________________

Cherry Red Rallye - 179.1bhp@fly, 148.4bhp@wheels
Posted 14th Feb 2010 at 01:40
c.a.r.

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Location: Stevenage

Registered: 27 Jun 2008

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Post #23
I always thought spark plugs needed a 17mm?

________________________________________

'99 1.8 XS - Sold
'00 GTi6 - Killed by armco
'01 Cabriolet 1.8 - Sold
'96 Eunos Roadster 1.8 Import
Posted 14th Feb 2010 at 01:45
jim01uk

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Location: around

Registered: 16 Dec 2005

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Post #24
nick! wrote:
Im just getting confused now!

The socket thing I bought is 10mm and fits on fine, so why would I replace it with a 16mm one? surely too big?


The thread of the spark plug is M10 (10mm) but the hexagonal section that you use to unscrew the plug is 16mm across.
Posted 14th Feb 2010 at 01:50
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #25
nick! wrote:
Im just getting confused now!

The socket thing I bought is 10mm and fits on fine, so why would I replace it with a 16mm one? surely too big?


it says 10mm on the side because its a 10mm thread, the AF size is 16mm.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 14th Feb 2010 at 01:50

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