Coilover Installation – Explained

Coilover Installation – Explained

How to install coilovers. Performance suspensions often use coilovers with stiffer springs and damping to compensate. This video shows how to install coilove…

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Engineering Explained says:

New coilovers are installed! Check out the installation! @yonakaparts
#coilovers

B24Fox says:

(regarding 00:50) The car might have done just that. Because of the
constant weight of the driver; over time the spring got a little lower.
Even the tires might have worn just a little bit more because of the extra
weight on the driver’s side.

Paul Andrus says:

Gotcha thanks for getting back to me so quick ur videos are better then
andys auto sport videos doing a great job oh and I bought yonaka coilovers
just like u so im siked to put em in wish me luck! Did u like the end
result on ur teg?

Jorge Nunez says:

Why didn’t u use a camber kit? 

Marty Pinches says:

I hope a sway bar installation video is next (;

donding6 says:

how do you know how many pound feet you’ve torqued on the bolts?

Steve Cjr says:

Is that break line bracket on the front just floating around now? Didn’t
seem to fit very snug on the new strut.

Engineering Explained says:

The majority are made for lowering. These are made for stock ride height,
or up to 4″ of lowering.

stayslug says:

Can you do a video of spoilers/wings explained ?:)

Engineering Explained says:

Haha, I should bow to him. He certainly knows how to wrench more than I
ever will in my life. He’s got a great channel.

happydoggs says:

funny how eric the car guy just did pretty much the same video on a Honda
Odyssey

Engineering Explained says:

Videos to come soon!

Jonathan Tran says:

if you’re talking about just coasting down a hill or something, you throw
the car into neutral and take your foot off the clutch. voila, you are now
coasting.

franKcisco88 says:

Hey quick question, are those torque values you mentioned for those flange
bolts standard for most cars? or specifically for your car? if you
mentioned it later in the video, sorry idk why youtube wont let me watch
the rest of the video lol

AMGV Media says:

do you think that this suspension setup was designed for right hand drive
Honda’s?

wiltse0 says:

are you going to do upgraded disc brakes soon? it looks like you’re running
stock, and with all these performance and handling mods you could use some
stopping power ;P

Engineering Explained says:

That’s a good question, because of filming it took a good amount of time.
But it probably could be done in a few hours if everything goes smoothly
(which rarely happens).

Sam Douglas says:

Because the coil spring sits over the damper/strut. “Coilovers” has come to
mean struts with adjustable spring perches or length. It’s a terrible name
that somehow became popular.

SinnerYT says:

i don’t have the money to try every suspension out there but nobody can
answer this question clearly either. Which type of suspension has better
secondary ride characteristics???i’m talking about the absorption of small
imperfections and the “rounding” of steep bumps. which is best? springs and
shocks kits or street coilovers?

V8block8 says:

i can imagine the time you needed to film this. Every time you move the
camera, you took off your gloves? or you didn’t care it got dirty?

Sam Douglas says:

While this could happen too, it’s more likely due to the drivers side being
heavier and putting more weight force on the springs, causing them to
compress further and the car to sit lower. If you measured the compressed
length of the new springs, I would expect to see that the front-left spring
is compressed more than the front-right.

MegaAndroidboy says:

Nice video man,one “not so with the topic” question,are you lefty?

jwo7777777 says:

Torque is turning force. Torque is measured using special “wrenches”. Most
torque wrenches allow connection of normal hex sockets. Typically one
hand-tightens a bolt or nut with a ratchet, then removes the drive socket
and attaches it to a torque wrench and finishes tightening to the specified
turning force. Correct torquing is necessary because under-torquing may
allow loosening over time (vibration, thermal cycling, etc…), but
over-torquing may deform the nut, bolt, or joined parts.

Sam Douglas says:

I think the bigger issue is that the static weight distribution of the car
is asymmetrical. The drivers side has all of the steering, pedals,
instruments which leads to more weight on that side of the car. This
increased weight force means the springs compress further and the ride
height is lower. When I installed coilovers in my MX5/Miata, the drivers
side spring was compressed further than the passengers side.

Bruce paddock says:

Very helpful 😀

Engineering Explained says:

Haha I am learning as well, glad to pass it on!

Ghayoor Arshad says:

What do u mean by ‘torquing’ the bolts? And how do u measure that

7150285 says:

so if you want more ground clearance for your 4X4 you can use this method
rather than getting it lifted

Engineering Explained says:

I’m not sure if it was equal when it was new, that’s an interesting
question. I would think there’s likely a weight distribution difference
that ultimately causes it.

Engineering Explained says:

Thanks, glad to hear it!

Sam Douglas says:

There isn’t a simple answer to this. A lot of factors go into engineering a
comfortable ride — the way the dampers are valved, the frequencies of the
front and rear spring systems, the amount of suspension travel, the force
characteristics of the bump stops, as well as measures to reduce NVH in the
car (e.g. metal “pillowball” mounts vs. rubber bushes) It doesn’t really
matter whether the springs are on threaded or fixed perches.

ELDERPALADIN98 says:

So you actually do more than just talk about mechanics. Are you an actual
mechanic or just self taught?

Engineering Explained says:

It has both labeled, I did no converting, but my torque wrench (as you
mentioned) is in ‘merican units.

Engineering Explained says:

It’s a very good question, you have any ideas?

Engineering Explained says:

Usually I can find it on forums, if not you may want to purchase a service
manual.

Engineering Explained says:

If you watch at the very end of the video, I fixed that mistake. It is snug
once installed properly.

Engineering Explained says:

They are specific to my car, you should be able to find your torque values
on a forum or a service manual if you can get your hands on one.

Engineering Explained says:

Using a torque wrench, you simply set the torque wrench to the desired
torque setting, and turn it until it no longer allows you to torque the
bolt/nut. Perhaps I could throw up a quick video if others are interested.

AgentHydra says:

I cringed when I saw that gap between the brake line bracket and the damper
fork. Are you sure you’re supposed to reuse that bracket at all? Seems like
the coilover is barely attached to the damper fork, the stock damper was
protruding from the bottom of the fork. I guess you need it though, my
Megan coilovers had a brake line bracket welded to them so I didn’t have
this problem.

Engineering Explained says:

Thanks, and nope!

Adhithya Srinivasan says:

@4:30 Wait, You forgot to install the strut bar in the front.

SeriousCarping says:

Hi man, Could you do a video on a Seamless Transmission, the one they
have recently introduced into the MotoGp.

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