I just replaced all 6 in my frontier without removing the intake manifold. 2 universal joints in tandem is all that I needed to remove the tricky one.

When reassembling the manifold - you left out re-ataching the vacuum hose, that you noticed you needed to disconnect earlier. This is a really important step as it is specifically a brake vacuum hose and if not connected your brakes will essentially fail. I found this out since I forgot to re-connect it.

My mechanic wants $400 for this job. After watching the video, I'm considering it. That intake manifold is no joke.

If you don’t want to take off the intake manifold, get a ratcheting box wrench. You can take off the front spark plug by pulling the valve through the little loop hole that the air intake line creates.

Last year, I had to replace the drain pump on my washing machine. It uses spring clamps like those on the hoses you showed. I tried using a pair of channel locks like you used, but they kept slipping off the spring clamps. I went to the local NAPA dealer and bought a pair of spring clamp pliers. One of the best tool investments I've ever made!

I watched several videos to do this on my Frontier and I can say this was the best one. The detail and explanations are going to make this job go smoother. I wholeheartedly agree with getting the factory plugs. Cost me about double of others but I don't want to do this again in 50,000 miles.

PERFECT tutorial with every single step covered. had to rewind a few times to make sure i did everything right but clearly demonstrated. my only critique is please say which size bolt / socket / wrench you use at each step. THANK YOU!

"DoN't FoRgEt tO bRiNg A ToWeL" For the big gaping holes where the manifold once was.

Most in depth spark plugs for Frontier/Pathfinder yet. Great job!

I have been looking all over KZfaq for a video like this. Now I feel very confident to replace my spark plugs. I have done it in the past but never had to remove the intake manifold. I must say the thought of it seemed a bit overwhelming but now, not so much. You are my go to guy now. Thanks a bunch.

Thank you for the video. It was a tough job but I couldn't have done it without this video.

The bracket at the top rear on the manifold: Just remove the 2 10mm bolts and push the whole thing out of the way (after unclipping the harness from it). Don't worry about the connector attached at the bottom.

My friend is getting ready to have my nephew do this to his truck. Glad it's him. Great video.

I'm in agreement regarding this video. It IS the best one I've seen. Great explanations and instructions. But for me......nope! I'm at a point in my life where I can still do the minor repairs I need (such as replacing the hoses leading to my heater core that failed recently). But, thankfully, I'm also at the point where I can pay someone do go through this mess of a hassle. Once again, though, great video.

While in there, always a good idea to change the PCV valve.

This is excellent. Thanks for producing it. The same procedures hold true for fullsize NV series vans with the 4.0L six. The dealer only gets $800 to change out the plugs.

Excellent video! Thank you for making it. First time attempting this job and 100% success due to this video.

Awesome video. Followed it all the way and it took about an hour and a half. BUT there are more than 6 bolts that have to come off that top. Also I didn’t bother with that back hose. I just lifted up the intake and changed out the gaskets from underneath.

I changed my 2008 Xterra plugs and one ignition coil without removing the intake manifold, just need various sizes of 1/4” and 3/8” wobble extensions to get the job done. Easy and saves time. Next job will be to change both the upper camshaft chain tensioner plastic shoes, starting to make noise!

In no small part thanks to this video, I knocked this out today. It only took me a solid 4 hours, but at least 1 of those hours was a bit of existential anxiety after I couldn't find a bolt that was hidden underneath the bracket underneath that wiring harness. To my surprise, everything powered up and ran, no bolts were lost, and 5 out of 6 spark plugs were in predictably old but nominal shape. Number 6, on the other hand, was oily. Guess that's where that pint of oil every six months is going... A small note to anyone attempting this: If it wasn't obvious, you will use every kind of extension imaginable. I had a 1/4" and 3/8" drive, flex head and not, and 3, 6, and 9 inch extensions. You may need normal-ass crescent wrenches to help bust loose some of the particularly stubborn bolts. Likewise, a flex head in 10 and 12 millimeter make a whole lot of things way easier.

FOR ANYONE HERE. YOU DO NOT NEED TO TAKE THE MANIFOLD OFF TO CHANGE THE PLUGS ON VQ40 On the side with the manifold obstruction, remove the middle, then the rear and then the front. Plenty of space to fit your hand in there. Should take less than 40 min for the entire job start to finish.

thanks for the clear concise video.... My 2015 Frontier has about 55 K miles so not quite there yet. The only thing I would do as the owner is to clean or al least vacuum the engine before taking out the manifold to avoid getting dirt and debris in the engine. I know no shop would do that before hand but the owner probably would.

this video helped me a bunch but there are 7 total bolts and nuts holding the manifold down. Various extensions and or swivel will help. for onw on the back a rachetting 10mm. and all ofther bolts will be a 12 i believe. various pliers. Spark plug socket that fits your wrench set unless you have an adapter. a box to keep all the parts that you remove from the vacuum hoses and intake manifold. put the ignition coil screws up by the window and the coils on the floor or desk in orientation they are removed so that you can visually know how to put it back. I went ahead and bit the bullet and bout the ignition coil for cylinder 1 because i truly believe it is the only reason i took off the intake manifold and i don't plan on taking it off again. Try to remove as little vacuum hose as possible. Because they are all old and brittle lol

This is the most thorough, detailed, and comprehensive video I've seen for this job. Thank you, and nice work!

Great video! I took the opportunity while the intake manifold was off to put in a manifold spacer and a cold air intake. Haven't had the chance to see what difference they make... but it definitely was the time to do it

Great step by step. Start to finish took me about 2 hours. Mainly fighting to get to hoses and wire clips.

The rear harness bracket was not bad at all but there was a sequence that needed to follow to get to the fastener then reverse the sequence for installation. This video was excellent for planning. There is actually four harness attachments to the aft bracket. I could only undo three of them before removing the intake. I removed the bracket attach bolts and removed the intake with the bracket attached to the fourth wire harness attachment. I removed the bracket from the fourth harness attachment post removal of the intake. Then reversed the order for installation. All four electrical harness attachments just clicked into place.

Good video. However, it is very important to speak of the torque specifications for: Spark Plugs Intake manifold bolts ...and all other bolts. A first timer could watch this video and believe they could use their electric drill and over torque the bolts.

Thank you. I did it in 2 hrs. Would have probably taken me 3 without a video.

It would be a good idea to replace pcv valve while intake is off. Also will be easier to replace cam position sensor if you have codes showing bad sensors.

That's a lot of work just to replace spark plugs. When I go to do mine I'm going to replace all the coil packs and PCV valve and anything that looks defective also. Plus it seems like a good time to clean the throttle plate also.

olm, Great Job!, In depth spark plug change, I like the way you walked through the steps, that makes it easy!

I wish all automotive vídeos were as well explained as it is this one, excellent verbage and instructions from this guy. I just got a question about a humming noise coming from my Nissan 2016 Frontier. This noise started about a year ago and it really is bugging me. We moved to Puerto Rico and I really don't trust mechanics in the Island, so I want to Fix it myself. The noise comes every time I release the gas pedal or let go of it. Anything will help! Thanks a lot!

"Easy". I have to agree with you, especially after changing my 2015 323 xi plugs recently (only 4), where the dealership wanted to charge around $400, but I did it myself. The only real expense were the plugs and some swivel extensions...oh and time. That last plug near the firewall made the job 2x as long to complete just because of that 1 plug LOL. and thank you for making a step-by-step video, this looks much easier since all the plugs are accessible after removing a few pieces :D

this is the best video ive seen to do this job..step by step..thanks my man

Great video. Thank you. Please show how to install new valve covers and valve cover gaskets next.

Thank you for the great video! A true lifesaver ! Highly recommend watching this content its gold if you own these vehicles!

Bro this was the best we'll spoken strait forward informational ive ever watched thnk you..

Could you add a segment showing close-ups of the locations of all the intake manifold plenum bolts? Otherwise, this is a highly-informative video.

Thanks for the info. But I have a 2016 and there is 7 upper intake bolts I had to remove not six. Just in case someone else has trouble.

You don’t need to take out the intake manifold to change the spark plug i have done it many times and i don’t need to take it out only one spark plug is a little difficult

Great video. Was able to finish in under 3 hours.

Just did this, don't need to pull off the manifold foe the rear spark plug, and just needed to shift the manifold out of the way to get access to the 2 front

Great job..thanks so much. I have a 2012 Nissan Frontier with 69K miles. I feel confident I can do this because of this video.

Thank you much for this video. You did a great job. I'm tackling this job in the morning I feel confident now.

Interesting comment on not using impacts to take off spark plugs. I've heard many credible sources say if the spark plug is really stuck an impact is the safest bet to get them out.

I hope he remembered that vacuum line on the block of the intake before bolting it down 😅

Good, informative video. Am I the only one who noticed the big crack in the rubber tube going into the throttle body? Possible major vacuum leak.

I did my girlfriends 3.7 F150 and it was a lot less crap to remove than this. Buying a Frontier and already dread this lol. Wish brands would do these intakes so this isn't necessary

if I disconnect the battery I should be able to disconnect the throttle body and not worry about all the issues correct

If the throttle has to be re-learned when unhooked, can a battery be changed without doing a re-learn ??/ ... Thanks

The rear harness bracket (x2 fasteners) appears to be removed from the intake - see 8:53:18:44. At 12:49/18:44 I see the aft harness bracket has been removed. At 15:18/18:44 I can see he pre-installed the rear harnesses to the aft bracket. I'm assuming that hold the aft bracket in place while removing and installing the intake manifold. To install the bracket to the intake manifold you need to remove the main harness clips to get to the fasteners. At 14:10/18:44 you can see the harness aft bracket is not there when he installed the intake. I have this feeling that aft bracket and harnesses are going to be a pain to reach in and install.

Why would throttle body unlearn settings if it's just unplugged? Doesn't the computer tell it what to do? Would it lose settings if battery had to be replaced???

No joke but you can do this without removing the intake manifold. Tough maneuvering but with enough swivels and wobbles the front passenger can be removed.

Great video. It took me less than two hours.

I cant believe there's not a torque wrench in one of those fancy Craftsman tool boxes back there.

2 hours later all done, thanks

Did he just say "having fun"??? Isn't it fun watching you do it for me?

Excellent video very thorough. I really appreciate it. Thank you.

Great video but where is your torque wrench?

Thank you so much i was able to change my plugs on my Forntier

Thank you for the great detailed video, it was very helpful.

So I have a 07 Pathfinder and I disconnected the throttle body connection when I had a misfire in cylinder 1, and when I put everything back I didn't notice anything weird with it, so what relearn are you talking about?

Wouldn't it be better, especially on higher mileage frontiers, to just replace the coils?

Would you recommend spraying throttle body cleaner while its out?

Just watch this Very recommended video save my arse

Thanks so much for the comprehensive video -- it makes me less afraid of having to pull off a bunch of crap by myself. Is there any way you could add a list of what sizes of socket/wrench you used? Even "metric from x to x" would help me make sure I've got the right ones.

Nothing is as easy as you think it will be. I am dreading this job. My truck just turned 100k miles. Just for laughs....what do service stations charge for this job?

According to Orielly's auto parts store website, this spark plug is not made for the 06 Nissan Frontier, which is what I drive. Just relaying what the info website says. Thanks for the video though, how much would you charge a customer for this job?

18:25... How the heck was that easy dude?!?!... You took off the intake manifold and had to replace the gaskets to replace the sparkplugs... WTSF Nissan?!?!

Nice content!! What brand is that little impact power tool you using??

I found something interesting that I could not explain when I changed my spark plugs in my 2012 Nissan Frontier. The forward intake plenum had two little holes on the underside. The holes where about 0.1-0.125 inch in diameter. I did not have time to explore it too far but they seem that they would let air in. I'm calling the forward plenum the duct between the air cleaner and the drive by wire throttle body. The two holes looked factory clean. Has anyone else noticed these holes?

Great video! Thanks!

Very good how to video, thanks!!!

Great instructional video! What are the torque specs for the spark plugs and intake manifold bolts?

So this kit will work for a 2014 4.0 frontier? Thanks

at 4:15 i am confused. sounds like you are saying do not remove the cable from the throttle body but then sounds like you said go ahead and do it because all will be fine?

Looking into doing this particular job really soon (save myself $900 - the cost of the plugs). I noticed you have the power roll, but could it still be done with a hand ratchet set? What are the told that are needed to do this job? -Thanks

hello good video how can I know which is the correct spark plug for my nissan frontier pro 4x. 2011? since in an auto parts they gave me long ones and the ones I took away were short, it helps!!!!!!

What happens when the bolts to remove the intake components are so tight they won’t come off without breaking something?

It's weird all the parts houses like O'Reilly's and AutoZone here in southern Oregon say that it takes a double Platinum is the Oe why would their computers be so off

I'm wondering if this sparkplug replacement is the same procedures to the frontier 2018-19. thanks

muy bueno gracias

Buen video gracias amigo / good video thanks my friend.

Nice job!

Is antiseize or electric grease necessary for the spark plugs?

Love the stance on this truck! By chance do you know what size lift and tires are shown here? Thanks! Great video

Hi which oil for rear differentia nissan frontier 2014 4x4 wd 40D V6 75w90 or 75w140 ??? Thanks

I just bought a 2019. What's different in the Frontier's after 2016? Of course will be a few years before I have to worry about a plug change. :)

I know you didn’t mention it but will this work for a 2012 nv3500 with a 4.0 V6?

Toyota Tacoma hood review?

I have a 2013 frontier pro 4x with 40,500 actual miles, is it due for a spark plug change?

Thank you

If that intake assembly is removed, is it necessary to replace the gasket? I have a 2019 that the assembly was removed and put back on. Truck seems normal but I want to make sure it will be good long term.

Is anti seize not recommended on the Frontier spark plugs ?

I have a black '12 tacoma with the same tires, KO 2'S, not a fan of Nissan, but this one looks pretty nice 😎

I have 2013 NV 2500 6cylinder , is it same procedure.?

oe spark plugs are double platinum

how to change driversside engine cover nissan frontier

And clean the nasty TB WITHOUT moving the butterfly, otherwise you'll have high idle and have to do a relearn.