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Changing KV6 Spark Plugs

10K views 14 replies 7 participants last post by  xsduk  
#1 ·
I understand these are a pain to do but the car is nearly 5 years old and im assuming theyve never been done. How best is it to get the rear bank of plugs out? Is there a special tool? and will I need to remove the plenum. Sooo many questions again and no doubt there will be more cos I dont want to f*** it up. lol.
 
#2 ·
I'm due to change mine and I'll expect it will be easier to remove the plenum which is not that difficult tbh. I have changed mine over and fitted a replacement in around 50 mins and that included testing the old one.

I have a 'how to' for the plenum removal on another forum if this helps.
 
#3 ·
That would be brilliant of you could provide it mate? Will I need a new gasket/seal for it? Whats the general life expectancy of the Lucas plugs and how do you test the old ones? Told you there would be more questions. :lol:

theMGZS.co.uk by any chance? I see you on there most I think.

Thanks again!

Rob
 
#7 ·
Many ways to skin a cat as they say! There you go, a couple of methods to carry out the task. Personally I would most likely remove the plenum to gain access. I like to see what I'm doing especially when it comes to changing spark plugs, no second chances if you cross-thread them, doesn't take much.

The OE plugs have a good service life, I think they should be changed around the 40k mark if my memory serves me right. However mine have passed this mark and could do with a new set. The zed still purrs but the economy might improve slightly if I were to change them.

The 'How To' is a large file, but was uploaded to the 'other' forum, and yes I am there most of time, I'm one of the site owners over there ;)
 
#10 ·
I have changed the plugs twice on my KV6. I never removed the plenum. I used an assortment of short extensions and a joggle bar. With care they take about 30 mins each.
I agree with VespaV6. I was not looking forward to what I thought was going to be a daunting task and ended up choosing to kneel down in the engine bay to gain access and used a similar sounding arrangement of short extension bars and plug socket - just change the front three plugs first to get the hang of things with easy access from the front, then work on to the rear. I know it isn't as straightforward as changing plugs on a 4 cylinder K, but it isn't that awkward either. There is definitiely no need to remove the plenum unless you've got other work planned.

Nice feeling of job satisfaction after doing the 60k service items too - especially thinking about what a dealer would have charged me. :D

Let us know how you get on.
 
#8 ·
Im will definatley give it try with it on first and if worst comes to worst Ill consider taking the plenum off.



Yeah I know, mines on a 04 plate and Ive owned it since March (i think) so definatley need doing along with a few other bits for my own piece of mind.
 
#14 ·
Replace spark plug

I have changed the on my ZS 180 and it took me nearly 3 hours because one has to be very patient and calm but it is a bloody pain. I cannot afford to pay ÂŁ150 for service cus I rather do it myself and save that money.