Hey everyone GarageKing here, and we are going to change the spark plugs on a
Toyota rav4 with a four-cylinder here's what you need, and here's the nice to
have, so let me explain what you need to have to do the job. You need to have
5/8" deep wall socket I'll show you why those spark plugs are deep in
the engine so you're gonna want to have that, you need an extension to go on
because even this socket itself is not long enough, it's great if your extension
has a locking pin, so that this way it won't it won't release can't lose it so
that's good. So you need that then you need a 10 mil socket, you need a rubber
tool like this I really like to have this in the "need" pile not "want" pile I
guess you could have it in the "want" pile people have it done but I really think
it should be in the "need" pile I'll show you how it goes right on the spark plug
and you can drop them in there spin them around and thread them on because they
are really deep because the problem with putting them in a socket is a lot of
times the spark plugs fall out and if you can start damaging stuff and and
ruining your threads and stuff it is possible without it but I really like to
put it in the "need" pile the other thing you really do need is a magnet now this
one's just a cheap magnet you can bend it any way you need a magnet to go and
get those spark plugs as soon as you free them up and you'll see me using
that now here the "nice" to have pile, an extension you'll see how I use it with
the 10 mil to take out the coils you need a screwdriver with some dielectric
grease just to put inside the coils and then also a little bit of anti-seize
never hurts so those are the "nice" to have and these are the "need" to have
these are the tools you have let's go do it!!! Okay so here we go we're under the
hood of our Toyota getting the gloves on so all we do this plastic piece just
pulls up just like this there we go we're just gonna put that to the side
now here we go we have 10mm socket I've spoken to
your about earlier, that's for the bolts. On top of every coil I use an extension
You don't have to I just find it makes it a little easier
for me and I don't have to reach. So little tip!!!! If you want you can just do
that just gonna undo them
there we go. Put those bolts aside, so now what I'm going to do is I'm just gonna
undo the clips to the coils so here's a close-up of the coils talking about the
tabs so you just squish and you can see the plastic coming up there you go just
like that you just squish them and then they will come up this one's a little
sticky there we go just like that and we'll work the other one it's hard to do
it while I'm holding the phone so I'll put the phone back in its stand and
let's do those then all you do is you pull the coils straight up and out we
can keep them in order so you can put them on the windshield there there's
that one there we'll put this one right beside it it's coming up now make sure
when you take them up you can see that one came out here's a rubber so just
don't forget don't lose this rubber piece and that goes back on the coil
just like that. Important Tip!!! Don't lose the rubber
insulators, they should go on the bottom, this one the rubber came off with the
coil so that's great put it right there now another tip if
you have compressed air that's great give it a little blow out just to make
sure there's no dirt or anything in there if you don't, its not the end of the
world because they are sealed by rubber so there probably isn't anything in
there anyway, but it's always just safer to be safer than sorry
so it's always safer to be safe than sorry, so here's my compressed air just
like so and now we're gonna take the plugs out here's what I meant by the
deep socket you need a deep deep socket because it's gonna go right in these
holes and I want to show you if you don't use a thin walled deep socket
it'll never work and let me get you a close view the holes there for the spark
plug you can see the socket, there's almost no space at all
like it goes in there and it's pretty tight so without a deep socket like this
you're never gonna be able to get it off now the one thing I use on my extension
is I use one of these push lock ones so it's not like a bearing it actually
snaps so you just can't pull this off you have to physically take it off with
a screwdriver you push that in and pull it apart so that's kind of handy just
because of the socket goes so deep into the motor so just wanted to give you a
close-up of that, now another thing tip it's always good to take them out by
hand and the reason I say that yeah I've seen a lot of guys put an impact gun zip
them up with an impact gun, then put them in by hand, this is your cylinder head and
it's very difficult to replace, very very time-consuming if something happens and
you strip the threads so if if you're taking them out by hand you can feel if
there's something wrong with the threads and you'll be able to feel if there's an
issue now actually the spark plug is dropped in there but it is loose so
we're just gonna need a magnet to take it out so I'm gonna go get my magnet, okay
so here's our magnet so we put our magnet in and we pull our plug out just
like that and we'll do that for each we'll take out each each plug will take
a quick look at it and then what I'll do is all I'll compare it at the end and we
can show you the where how the actually look
now if you have it available to you a little bit of compressed air never hurts
well I want to show you the where so what I'll do is I'll open up here's the
new plugs okay so here's the plug side-by-side and you can see that one's
actually quite a bit thinner and you can see the way it's worn right here near
the top you can see this one's got a lot of meat on it, it's brand new and this
one's worn it's very thin so you can actually see it's worn on an angle and
that's there you go there's another good shot so you can see how the electrode on
the end you want to call it that has actually thinned right out so
interesting but you can tell they definitely needed it so there you go
there's a close inspection of these spark plugs so now what I mentioned
earlier about this tool this tool is so handy because what happens is it's
really hard to get those spark plugs in without dropping so what you do is you
put this tool on like this and it just holds it so it allows you to thread the
tool into the motor but if I hold this I can still turn the tool so it won't let
you cross thread anything because you just can't turn it hard enough to damage
anything so what we're gonna do is we're gonna put a little bit of anti-seize you
can see as I turn it there's a little bit of anti-seize that comes on it but I
always like to put another little dab on just as a best best top tip to do
so we're just gonna put a little bit of anti-seize on there just like so and
then we're gonna install it into the engine and I could feel there I can
twist I could do this now it's important to know on all spark plugs you should
look to see if they have a gasket or not because they're all about the same
torque pretty much and there's two types of spark plugs out there there's with a
gasket and and without and you're probably saying wait a minute gasket
spark plug that doesn't make sense well yes there is, so let's take a used one
because it's easier to manipulate here so these ones actually have a gasket so
you can see it's like a little washer here so whenever you're installing a new
one as soon as you feel this washer seat you go 1/4 to 1/2 turn
and that seats the washer and that's all they need that's all they need to be
tightened so 1/4 to 1/2 a turn, now if it didn't have this some of them a
little bit tapered and they don't have it at all and you can tell there's
there's no ring on it there's no gasket there's no nothing it's just straight
steel going down those ones are only 1/16 of a turn so basically once it
bottomed so you give it a little bit more and that's it it's tight so that's
that's the torque for spark plugs so let's open up the rest of these and
install them into our tool and away we go
and I can feel it threading in property
and there we go just like that so now we're gonna tighten them and remember I
told you 1/4 to 1/2 turn once they once they bottom and once you can feel them
so what we're gonna do is we're gonna go here and I can tell it has not bottomed
so I'm using almost no torque nothing at all I'm just baby finger I can just tell
and oh it's getting tighter still hasn't bottom though I can tell it's just
wiggling its way through and there it bottomed so I can tell it bottomed so
now I can just do 1/4 to 1/2 turn so here's a 1/4, there's a 1/2 and I'll
be able to feel it, so yeah, and I can feel it so I'm just gonna go 1/4
turn I can tell to me that feels tight and it feels fully seated so that's it
that one's good and we're gonna do the same thing for this one and there you go
you can feel super loose it's just going down and there we can tell this one
bottomed so now 1/4 to 1/2 a turn most of times just a good 1/4 turn
or a little bit more that's tight enough
make sure just go over each one make sure that they are fully tightened.
They all feel tight, we didn't accidentally just miss something or you never don't
miss one by accident you're not paying attention so just give him a little tug
and we can feel they are all tight okay so our spark plugs are in, and they are
torqued, so now what we're gonna do we're gonna use this fine little screwdriver
here and we're gonna use some dielectric tune-up grease that's a nice little tip
I have for you folks so what we do is we put a little bit on the screwdriver just
like this so you can see there's just a little bit on the tip of the screwdriver
and we take the coil and what we do with the coil is we just put it we just put
it inside here just like so let me go around there we go and that'll just seal
it. It will just seal it as it's designed specifically for tuneups
and now what we're gonna do is these are the bolts for a coil what I like to do
is just give them a little dab of anti-seize I like using anti-seize on
everything as everything seems to rust so there we go we just started by hand
make sure nothing's cross threaded and now we take our ratchet with our 10 mil and
we're just gonna tighten up our coil bolts
now we're gonna plug our leads back into all of our coils make sure you hear the
click all done then we're gonna take our cover now on our cover when we line it
up easy trick is to take this front one you can see there's a sort of a hole
there and then you have one on each side in the rear but take this front one line
it up in the two rears will kind of fall on so here's our front I don't know if
you want to call it "ball" or whatever "line up pin" so we know where
we're underneath here we're just gonna line it up and we can tell we're on and
then now lightly we can just feel the back ones just like this push your front
down like so and the rear there we go so our job is now done if you like my
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