Spark plug change

Car Mechanics (UK) - - Help! -

I want to change the plugs on my daugh­ter’s 2004 Nis­san Mi­cra 1.2, but I need to find out how to re­move the air­box that sits over the coil packs – in par­tic­u­lar, how to sep­a­rate the air­box from the plas­tic in­take trunk­ing at the rear. Do these sep­a­rate by pulling the air­box away from them? Or are they a sin­gle unit and will I need to re­move the trunk­ing from the cylin­der­head? Gary Mills The trunk­ing should pull away from the air­box be­fore it is re­moved, but the plas­tic trunk­ing can be­come brit­tle over time and a spray of pen­e­trat­ing oil around the con­nec­tion be­fore wig­gling it out of po­si­tion should help. The air­box it­self is se­cured by six 10mm bolts and there are also three elec­tri­cal plugs and a cou­ple of breather pipes to de­tach be­fore lift­ing it out.

The K12 Nis­san 1.2 was fea­tured as a CM project car in 2014 and the Novem­ber 2014 is­sue fea­tured an en­gine ser­vice, in­clud­ing a spark plug change. Back is­sues are avail­able by email­ing

leise.en­right@bauer­me­ or call­ing 01733 468485.

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