Changing Spark Plugs
#1
Changing Spark Plugs
So Im reading the maintenance section of the FSM, MA-16 to be exact. And i read something that disturbed me:
The FSM says, "checking and adjusting plug gap for platinum tipped is not required between change intervals" ????????
Does that make any sense whatsoever? The HAYNES definitely says to check and gap according to spec.
WHy the heck would the FSM say gaping a new spark plug is not required. I think u definitely want to check each plug is gapped correctly.
The FSM says, "checking and adjusting plug gap for platinum tipped is not required between change intervals" ????????
Does that make any sense whatsoever? The HAYNES definitely says to check and gap according to spec.
WHy the heck would the FSM say gaping a new spark plug is not required. I think u definitely want to check each plug is gapped correctly.
#2
Some plugs are factory gapped. As a precaution though I always check the gap but I've never had to adjust the gap.
#5
ngk platinums' platinum tips are laser welded.
you will damage / separate the tip if you try to gap them
bosch platinums have a very thin platinum core surrounded by a ceramic housing. you will damage the ceramic if you try to gap them.
(you shouldn't be using bosch plugs for maximas anyway)
if you drop ngk platinums, you should not use that plug. just get another one.
ngk coppers you can gap all night long.
you will damage / separate the tip if you try to gap them
bosch platinums have a very thin platinum core surrounded by a ceramic housing. you will damage the ceramic if you try to gap them.
(you shouldn't be using bosch plugs for maximas anyway)
if you drop ngk platinums, you should not use that plug. just get another one.
ngk coppers you can gap all night long.
#6
I kno the last time i changed the plugs they werent NGK Platinums and i had to gap them. And it worked fine. I would still check the gap even if they were NGKs.
#10
It sounds to me that they mean that you don't have to check the gap, say every 1000 miles, even if you change them every 20,000. Like, you only gap them when you are installing them, and then you throw them away when you install they next set. You never have to pull the plugs, re-gap, and then re-install them. If that makes sense lol
#12
It sounds to me that they mean that you don't have to check the gap, say every 1000 miles, even if you change them every 20,000. Like, you only gap them when you are installing them, and then you throw them away when you install they next set. You never have to pull the plugs, re-gap, and then re-install them. If that makes sense lol
#13
I never gap plugs and never had a problem? on the maxima it should be done every 60k right? if they are true platinums.
#14
I still have some factory NGK for the 92 Maxima SE left over,,
do you think it might be fit on my 97 Maxima GLE now?
please give me an idea..
do you think it might be fit on my 97 Maxima GLE now?
please give me an idea..
#19
Don't mean to thread jack, but I could never get to the spark plug against the firewall driver side. Any tips on pulling out the coil pack? There is some metal thing blocking it.
#22
I'm sure the denso plugs are great for Nissan engines like the VQ and they prolly work much better then Bosch. But I cant vouch for them because I never used them.
In fact my old 87 Camry 3sfe is using NJK V Powers right now so yeah I've always been an NGK kind a guy ^^
In fact my old 87 Camry 3sfe is using NJK V Powers right now so yeah I've always been an NGK kind a guy ^^
#23
Kinda hard to say without pics....but when i did my plugs firewall side, i do remember having to unbolt a bracket somewhere in that area. jus be careful not to break anything.
Dont worry bout the jack..happens all the time
#24
what it's basically saying is that the plug will be good for the 60k it's rated at w/o you messing with it in between.
Actually, I just checked on NGK site and it appears they use the same plugs.
Last edited by 96i30azn; 03-03-2010 at 06:00 AM.
#25
changed all 6 today,was surprised to find the car had denso's in it already...
i put the double platinums i bought in..no more hesitation..
fuel filter will be changed 2moro
i put the double platinums i bought in..no more hesitation..
fuel filter will be changed 2moro
#26
I changed mine the other day with the platinum NGKs. Took about an hour to do. The number 3 cylinder was a little tricky but if you remove the sensor just above it. Its no problem. There were bosch plugs in there before for 70,000 miles. All the plugs were still in ok condition.
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