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im going to change the spark plugs in my 1999 156 1.8petrol.are they any special tools am i right in saying their are eight in total

any picture of the format for changing or tips would be great thx
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Aye! 8 plugs... 4 normal ones and 4 small ones.

Only tip would be to change them one at a time (saves gettting all the leads mixed up, though they should be numbered).

Spark plug holes always get "stiff" so if you have a thread chaser then run it through the threads before you fit the new plugs.

Ralf S.
 
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The plugs are pretty deep so a good long socket extension is needed, also they only need replacing every 60,000 miles, so they don;t need doing to often.

Also the expensive ones, the little ones, don't aid performance in any way, they are only there to clean up emissions, so just change the big ones. Go iridium or platinum tipped so you won't have to do them again for many years!
 

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If you use a Ribe key to remove the 5 silver screws, the metal plate lifts up takins all the coil packs with it.

You need to remove that plate anyway as the 'small' plug leads dont fit through them!
 
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