How to remove spark plugs on 16 leon

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How to remove spark plugs on 16 leon

Postby clay on Tue Feb 14, 2006 12:46 pm

This might be a daft question but how do you change the plugs on a leon, days of the old ht leads have gone.

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leon 1.6 BCB Engine

Postby clay on Wed Feb 15, 2006 4:27 pm

Ok managed to get the plugs out only to find the new Bosch FR78X plugs i have are a little shorter will they still work ?

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Postby leon_dublin on Wed Feb 15, 2006 8:16 pm

hmm, not sure if that will be an issue myself. I note you have a 1.6 leon. Are the spark plugs at the back of the engine? Did you have to take the airfilter off because the last time I tried to change my airfilter i found it very hard to locate all the screws to get the thing off so i gave up! I'm Interested to hear your experience
thanks,D.
http://www.seatenthusiasts.co.uk/forum/showthread.php?t=47761&highlight=airfilter

http://www.dermotgorman.com/uploaded/leon/airfilter_location.jpg
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Postby clay on Thu Feb 16, 2006 12:29 am

Leon 1.6 BCB Engine

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The Engine cover above is held in place by 4 rubber plugs to remove it you must first unclip the pipe shown in fig 2.

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This clip below also needs to be released.

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Once thats done pull the engine cover from the back & lift it slightly
you should be able to see this plug connected to the engine oil filler cap, unplug it & then lift the cover away pulling from both front & back of the engine.

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Once removed see in the photo the 11 screws that hold the air filter housing together.

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This last picture shows the 4 rubber plugs that hold the engine cover in place.


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hope this is of some help.
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Postby zi0n on Thu Feb 16, 2006 3:11 pm

clay, yea, they will do. i use them in my 1.6 16v :) Didnt notice any diffrence from the original ngk spark plugs
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Postby leon_dublin on Thu Feb 16, 2006 9:14 pm

Clay,
thanks a million for sharing those photos with us. As a matter of interest - what mileage did you change the plugs at? is 60k miles the recommended?
thanks,
D
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Postby clay on Sun Feb 19, 2006 1:07 pm

40k is the recommended for the spark plugs, im just about to do the fuel filter also.
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Postby leon_dublin on Sun Feb 19, 2006 1:13 pm

I changed my airfilter yesterday following the guide posted above. My airfilter needed to be cut slightly (filter for golf) but fits perfectly into the rectangular box, however, it is not as deep as the original filter - just wondering if this is likely to be ok.
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Postby leon_dublin on Sun Feb 19, 2006 1:16 pm

clay wrote:40k is the recommended for the spark plugs, im just about to do the fuel filter also.


where abouts is the fuel filter located?
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Postby clay on Mon Feb 20, 2006 12:45 am

The filter i used was a Bosch & i got that from eurocarparts, it looked exactly the same as the original seat one, where did you get yours from Halfords ?
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Postby leon_dublin on Mon Feb 27, 2006 7:30 pm

clay wrote:This might be a daft question but how do you change the plugs on a leon, days of the old ht leads have gone.

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Clay / others, how do you remove the plugs on the leon - things have changed since i last did this job. In your picture there are four wires going into some sort of electronic device over each plug. Do i just pull these up? or do i need to remove all the black wiring and trim surrounding them first?
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Postby clay on Mon Feb 27, 2006 8:03 pm

whats shown there is the coil packs ontop of the spark plugs, lift those up slightly & on the underside to the right where the wires are is a small clip, pull that back & you will be able to release the connector & then pull the coil pack/cover off the spark plug.


ps ALL of the oil filler cap can be removed it just twists off.

pps because of the bad weather i havent got to doing the fuel filter yet.
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