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Spark plugs
- Thread starter Hannu
- Start date
BTW they also told me that they also charge for one hour to replace just one coil pack so it probably makes sense to do all six at once.
Hope this helps
collins1979
New member
maxtraeger
New member
I have 997C2S from 2004 and at the 4 year service the OPC also wanted to change the sparkplugs and coils. Since the car was running fine, I told them to leave them as they are unless the coils were cracked. He could not give me a good reason to change them other than it is on their list of things to do/charge, so it did not happen. I have since driven for another 2 years without any issues.
-Max
ORIGINAL: collins1979
I'm a Ex Porsche technician and to change the spark plugs is pretty easy you just need to remove the heat shield then a T30 star drive bit (torx bit) to remove the coils and then a spark plug socket with a small extension on it and that's just about it. They take about 1 hr to change if the main dealer replace them and if you need coils at the same time you shouldn't have to pay any extra cost on labour but you will have the cost for the coils that are cracked and you probably will have one or two. You may have a bit of a problem refitting the coil plug on bank two coil plug four as you have the cam oil sensor in the way but take your time and I will be ok. Hope this helps.
Thats very helpful thanks, just had a look and it looks simple enough to do, any idea what size of torx socket I will need to remove the heat shield ? looks a bit bigger than T30.
Jacked the rear up, removed the heat shields (Tx40 female), removed the coils (Tx40 male) and changed the plugs.
Went to Andrew Page for the Bosch plugs which are exactly the same as OE £25.59
Had to buy both Tx Teng sockets £4.29
It took me about 1 1/2 hours taking it easy because it is a bit fiddly but the saving speaks for itself.
Having to take a trip to the OPC tomorrow to buy two coils to replace those that have cracked @ £31 + VAT but they would have been been on top of the quoted price anyway and don't seem to be any cheaper elsewhere.
Went along to the OPC today to pick up a couple of coils, "Yes sir you will need six" err no two please and its only precautionary because the outer case has cracked. "Oh when you put them back they will crack and you'll have a misfire" Ah I have put the other four back and they didn't crack, anyway these two have the outer plastic completely cracked away and they were not misfiring! "Ah well sir you can't always see the crack but because they are subject to temp change sooner or later they will start misfiring"
Sooner or later my tyres will wear down to the legal limit but I wont change them to they do !.
So came away with two coils fitted and runs fine, Or should I have bought six ?
ORIGINAL: garyw
If it had been under warranty, I have a good idea how many they would have fitted.... and its less than 5 []
Well done on this, not something I'd do myself....
Did you take any picture ??? Be great to do an article on this...
garyw
Sorry no I didn't take any Photo's,
However I will take some of the coils I took out and post them on here.
If there is enough interest and I get the chance I will jack the back end up again and take some photo without the heat shield's on and describe the procedure step by step.
mikec
New member
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