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How Automobiles Work


>>I’m Chad. I’m a second-year student here at DCTC. I’ve been an apprentice at ABRA in
Bloomington for just about a year, now. Doing some frame damage,
here, repair on a 2005 Ford.>>Focus.>>Focus. Three door, got hit here,
and this here was the main impact. We’ve already cut the reinforcement
and impact bar off. Now, we’re going to be pulling on
this frame here, to get it straight, using the three-dimensional
measurement system to make sure that everything else is in
line where it should be.>>I’m Gerry Rainford. I’m a second-year instructor here,
at Dakota County Technical College. Chad’s a typical second-year student, where
we get into different levels of repair needs, from just simple door repair to, well, you can
see here, is a full unibody reconstruction. Mechanical aspects, as well. Getting into the air conditioning and
other mechanical systems on the vehicle. Suspension, driveline. This is kind of the way that once we have
the vehicle anchored on our frame rack. We come through and we can actually do pull out. We’re going to be doing a light pull,
this morning on the unibody structure. We’re going to see if we can’t repair the rails. Typically, when they’re kinked to this
point, we would do a replacement procedure. But we’re going to see if
we can’t repair them, today. So, we’ll just kind of talk as we go through it. And we’ll see if we can get
the rails to come out. So, Chad, please take over from here.>>All right. I’m going to be using these towers, here, that
are capable of pulling 10,000 pounds apiece. Try to get this mash come out
on this left frame rail, here.>>So, once again. Keep pulling. We’re going to be pulling at a constant
level that’s going to be straight out, to try to replace the height, the
length, and width of the rail. So, we’re going to keep the direction
straight and at a straight pulling distance.>>And all I’m doing here, now, is just
watching as I’m pulling, going slowly to find out how the metal’s going to react. Everything reacts different,
not any accident is the same. Everything needs to be taken
on with a different viewpoint. What I’m going to do now, is
just hit this metal, here, to try to relieve some of this stress. [ Hammering Sound ] And always while you’re pulling,
what you’re going to want to do is check your anchoring points, again, to
make sure that the car is not going anywhere. Make sure all your chains
and clamps are still tight. As you’ll notice, I’m staying above,
not standing behind these chains, just in case anything would happen to let go. [ Hammering Sound ]>>Let’s work the backside of the rail
through here a little bit, as well. [ Hammering Sound ] [inaudible] target. One of the things we don’t want to do, is we don’t want to do additional
damage as we’re pulling. Looks like we’re pulling more
from the bottom of the rail.>>Yeah.>>Than we are from the top. So, at this point in time, I think we should
stop, rehook, and grab a hold of the top of the clamp support and pull
more on the top of this rail.>>All right. Both these dozers here are run by the same pump. So, as I pull it’s going to pull them equally.>>Okay. Let’s get some pressure on there. [ Inaudible Comments ] [ Hammering Sound ]>>Just trying to relieve this stress. Move the metal where I want it.>>So, let’s get a couple of
hits with this on the backside. [ Hammering Sound ] Right now, we’re concerned
with overpulling on it. And so, I think we’re going to stop. And we’re going to regrab onto
the rail at a different location. Once you’ve overpulled and it distorts
the rail, then we’ve got an issue.>>We’re going to cut this outside
of this rail, here off, this cap. Just a piece of the sheet seal,
here, out of high strength steel. We’re going to pull this out here, so
that way we can get inside here, too, and make proper welds and get
this metal straight, again. I’m just going to be countered along,
drill out these spot welds, here. And then, cut it here at the seam. I’ll run a line, section it out.>>Why don’t you show them how we know how far
we need to pull by using the measuring system? Then, to explain the measuring
system, real quick?>>All right. As we pull out on this stuff here, to
get this rail out to where it should be, these targets here measure with this beam
underneath the vehicle, measures the vehicle at all kinds of different points. Four in the middle of the vehicle, two
at the rear of the vehicle, and then, these here in the front closest to the damage. This vehicle, this chart here for the
vehicle is specific for this vehicle. What this does here, is it hangs targets from
the vehicle at specific manufacturing locations. It measures the vehicle throughout there. You can tell that our center
section here, is good. And the back of the vehicle is good. But up here, we’re dealing with off
measurements on the front end from the impact.>>We’re going to take and when we get
the rails pulled back into a location by the manufacturer’s specifications, we’ll
take, we’ll hammer and dolly all this straight. And we’ll take, we’ve got new components. We’ve got a new reinforcement bar
that we’ll be welding into place, to replace the structure of the vehicle. But we’ll come through, replace the. You want to come around over here. You can see that the radiator condenser
has been damaged in this accident. And it’s completely, we’ve lost all the Freon. So, we’ll be doing an R and R
procedure on the condenser assembly. Then, we’re going to evac and
recharge the air conditioning system. And then, move forward with the rest
of the mechanical repairs at this time. In some situations, when you get
composite intake manifolds, like this, components can come back and do
damage to the intake manifolds, starters, alternators, AC compressors. We have additional damage deeper in the vehicle. And this one, we’ve simply
got a condenser to replace. What’s so, how long will it
take you to do this repair?>>This repair here, will take me probably
about two weeks to finish, to complete. Done quite a bit already. Already had all my parts ordered. Those have already been checked
in and identified, and made sure that they are the right
parts, so I’m not scrambling at the end of the project to find the correct parts. I’d say about two weeks; two to three weeks
would be a good timeline for this vehicle.>>Well, thank you, Chad. I appreciate it, taking your time with
the students and this is what we do here at Dakota County Technical College. It’s a two-year program. We try to get you ready with the latest
technology and the latest equipment to make sure that they’re ready for the industry. And so, they can be productive and profitable
in today’s unibody reconstruction world. Thanks, very much.

35 thoughts on “Auto Body Repair: Pull on a 2005 Ford Focus

  1. Interesting, why not cut the damaged part off and weld on a new piece? Is'nt the integrity of the metal where it collapsed compromised?

  2. Crush zone is kinked and torn, the rail is done. get it straight and cut. Weld in the new one in days time.

  3. Are you kidding me!! Unbelievable!! This must be an episode of the Twilight Zone auto body edition!! Cannot believe that a so called technical college is teaching kids how to completely repair a car THE WRONG WAY! That rail is DONE. You don't weld tears and hammer and dolly sharp kinks in frame rails!! What a disaster!

  4. You donkey don’t ever put your face or arms on the opposite side off tower also use gloves also use heat on hhs also look farther in for kinks and dents tear the car down properly this just shows ladies and gents the paper you get from graduating is good to wipe your ass I’m not licensed and know 100 times more its also good to use common sense

  5. A frame was bent due to hit in the rear, trunk doesn't close. Can it be
    straightened by pulling by that frame with another car? Thank you for the
    informative film.

  6. This set up is so unsafe it's ridiculous. Using the wrong chains, hooks and no guarding. A technical school teaching unsafe practices such as this is unfortunate. The rigging is not used for dynamic variable loads. The guy hitting the hammer on the load and having his head near the line of fire if the chain brakes creates is a major safety hazard.

  7. The guy who is and hammering and pulling haven't watched Final Destination 3,if some one give him movie cd, then he definately wouldn't come next day

  8. Typically if you got damage to your intake, a/c compressor, alternator or whatever other "deeper" component, then that unibody is far from being fit for repairs for the usa or Canadian market. Oh, and freon is not used in that car. You chose to be technical in your descriptions, but lack use of proper terminology when it comes to the refrigerant.

  9. All these assholes commenting how good they are getting it done in 5 DaYS working at hack job body shop. Foh, it's a training school video u scum of the earth. The dude is learning, something u'll never do.

  10. That is dangerous 1 and 2 I don’t really believe that is going never be the same ever again once the metal is damaged you’ll never ever gonna get it 100% straight but for educational and training purposes 👍👍

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