2008 GEELY CK Workshop Manual

3702. Crashed By Outside Force Ahead Or From The Left Side (Figure 5-14)
Figure 5-14 Crashed By Outside Force Ahead Or From The Left Side
Figure 5-14 shows the situation when the front is pressed or the left side is crashed by outside force. Under
this kind of situation, the outside force spreads from the left (or right) of the hood to the front suspension
mounting place, to get this part easily deformed.
3. Crashed By Outside Force Forming An Angle To The Center Line Of The Vehicle (Figure 5-
15)
FIGURE 5-15 Outside Force Forming An Angle to The Center Line of The Vehicle
Figure 5-15 shows the situation when it is crashed by outside force forming an angle to the centerline of the
vehicle. When the force is too great, the hood bottom and the front window side column will be affected.Outside force

4. Crashed By Perpendicular Outside Force In the Middle of The Vehicle (Figure 5-16)Outside force371FIGURE 5-16 Perpendicular outside Force in the Middle of the Vehicle
Figure 5-16 shows the situation when the middle of the vehicle is pressed by perpendicular outside force. So,
the places should be inspected are as follows:
1Front window side pillar upper and lower mounting place;
2Side window central pillar upper and lower mounting place;
3Deformation of the side window rear pillar;
4Deformation of the roof panel and its frame.
The damage when the back of the vehicle is affected by outside force is generally the same with the front.
But, the structural features should be fully considered during inspection.II. Requirements Of Body Repair1. Because of the integral body construction and the thin steel sheet, during the procedure of panel operation,
strengthen the force-loading part after reshaping, and take measures to reduce partial stress in those places
where stress gathers.
2. After the panel operation, specially make sure to spread rust-proof primer on the inner and outer surfaces
to avoid rusting.
3. When repairing the body, you can either repair the broken piece or cut off the part which has serious
deformation and then weld a new piece ordered from the manufacturer to the body.
4. When reshaping and welding a new piece, make sure that major control points on the body can be restored
into the range of design requirements.
5. After repair, as to its intensity and durability, they should be no worse than the new body.
6. After repair, the exterior trimming of the body should meet the requirements of a new body and also the
modern aesthetics and ergonomics etc that are raised by customers.

372Section 2 Typical Technology Of Body Panel RepairThe flow line of the repair technology is as follows:Section 3 Repair after Body DamageBody repair methods include calibration, reshaping, strengthening, partial replacement and renewing of a
whole part. CO2 gas protecting welding should be adopted when welded.I. Reshaping1. Calibration
The deformation of the body is usually caused by an accident. You can calibrate it by propping to its former
location. When calibrating, impose force in the opposite direction of the outside force or deformation force.
Under the most circumstances, calibration in a cool status can be adopted. The internal stress can be re-
moved by partial heating. Then you can do some corresponding aging treatment.
It is better to use body calibration machine for car body calibration. Geometric dimension and tolerance can
be restored to the former standard. Power, economy and comfortableness can be assured.
The body repair begins with a process of preliminary calibration or rough calibration. The body deformation
can be removed by propping back to its former location. The angle of the applied force for propping back
should be almost the same with the outside force that causes damage. Reaction force should be imposed at
the back of the pulling action point to make the propping force adjustable. Inspect the deformation during the
process of propping back. Proper heating is applied on correspondent parts to remove internal stress.
2. Strengthening
When partial damage, break or crackle occur on structural components, strengthening is allowed, especially
to be applied in those parts where damage often occurs. Willful strengthening or repair welding should be
avoided, because it will affect the stressing status on body.
The main ways of strengthening are sleeving and bracket reinforcement.
3. Partial And Whole Part Replacement
The parts that are badly rusted should be partially replaced. What is broken and damaged should be replace
a new one. The post pillar is pressed and molded adopting thin sheet. Parts and components are brought from
manufacturers. When they are molded by you, material, section dimension, and thickness etc should accord
with their original design requirements. When the broken post pillar (incl. cross member) is wholly replaced,
the connection way must be the same with the original one.
Appearance assessment Disassembly Paint removal Appraisal
Panel repair
AssemblyPainting

373II. Repair of Body Outer Plate1. Types Of Outer Plate Damage
1 11 1
1Break or crackle
The body always vibrates as the vehicle runs; and it bears an alternating load. When the vehicle suddenly
accelerates, sharply turns and emergently brakes, the body will be affected by inertia force. When the
vehicle runs on a rough road, the body will get bent and deformed by torsion.
If the vehicle experiences this kind of outside force in a long term, the outer plate of the body will get
broken and cracked on the parts that stress concentrates and the structure is weak.
It is easy for the stress to concentrate at the turning, edging and narrow places of the body outer plate, for
example, it is easy for the 4 corners of the slide door sash to get broken and cracked.
2 22 2
2 Corrosion
The corrosion of the body outer plate is mostly caused by mud accumulated on the surface of the metal,
which results in rust. Only in some special situations, it is caused by contacting chemical materials, which
belongs to chemical corrosion. When the metal outer plate corrodes, the rust is generated on the outer
plate, and then peels off layer by layer, so that holes appear and become bigger and bigger. Rust is easily
generated on the outer plate of the skirt, drip channel, and at the joints of doors and sashes, and at the
interlayer formed by outer plate and frame jointing places.
3 33 3
3Recess
Recess is a kind of structural damage, caused by crash or squeezing on the outer plate of the body. As to
slight recess, the metal dose not extend. It belongs to plastic deformation. When it is seriously impacted
and squeezed, the metal outer plate will be torn. For the vehicles running on city, side wall outter plates
being crashed and scratched is common.
4 44 4
4Bending and torsion
Beading and torsion deformation belongs to mechanic damage. Many causes result in this kind of situation,
such as body being crashed or squeezed, an alternating load in vibrating as the vehicle runs, sudden
acceleration, emergent brake, sharp turn and running through a bad pavement, etc. Those can all result in
bending and torsion deformation on body outer plate.
Slight deformation should be confirmed by inspection. For serious bending and torsion deformation, they
can be easily found by appearance. The deformation information can be usually defined according to the
clearance between door frame and their relative position changes.
5 55 5
5Breakup Welding
Outer plate being breakup welding is caused by bad welding between metal plates.

3742. Repair Of Outer Plate
1 11 1
1Repair of crackle
The crackle on the metal outer plate can be repaired by CO2 gas Protecting welding. When welded, the
two sides of the metal plate should be aligned, and then spot-weld on the outside of the outer plate. If the
crackle length is less than 50mm, it should be welded from the crackle end, and along the run of the
crackle and the outside edge. If the crackle length is very long, it should be spot-welded in some intervals,
and then weld the crackle in several sections. So, it can prevent the crackle metal from being over-burnt
and warping because of an extremely high temperature.
If the crackle appears on the place that is greatly loaded and it is very convenient to weld, 2-step welding
can be adopted, that is, After spot-welding on the outside, then you can first weld on the inside of the
crackle. After that, a welding seam is then applied on the outside in the same run.
After the welding finishes, put a backing block under the crackle, and then use a hammer to gently knock
on the outside of the crackle to remove the remaining welding stress. Finally, trim the appearance of the
crackle to make it smooth and convenient to apply paint.
2 22 2
2Repair of partial damage of the outer plate
When the outer plate has partial rust or serious damage and even cannot be repaired, it can be mended by
cutting off the damage or pasting a new one on it.
How to cut off the damage:
a. Confirm the area that needs cutting;
b. Cut a paper example;
c. Cut the metal plate according to the paper example;
d. Paste the metal piece cut onto the surface of the area that needs cutting off;
e. Use a draw needle tip to make an outline along the sides of the metal piece. And cut off the
damaged or rusted area along the outline;
f. Use a wooden hammer or a backing block to smooth the cut, and use a file to file the burr, to assure
that the cut is parallel with both sides of the substitute piece and the clearance should be no more
than 1mm;
g. Substitute the damaged area with the piece. Use pliers to hold it and spot-weld the joint in an
interval of 50mm for fixation;
h. Weld in sections. First weld the central part and then the left and right in turn, to avoid deformation;
i. Use a hammer or block to knock on the seam to remove the remaining stress. And use a file or
hand grindstone to grind the seam to make it smooth to the plates around. Finally, paint the substitute
piece.
3 33 3
3Repair of uneven damage of the outer plate caused by crash
When the outer plate is crashed, a concave pit appears on it. The repair should be taken from the point C
(Figure 5-17). Put the block on the top of the protrusion area, use a hammer to knock it and correspondingly
change the position of the block. After the protrusion area is knocked down to the level, most of concave
in B area will spring back. It is already very much like the former outline of the plate. As to some little
remaining depressions, use a block with a same radian with the plate and use a hand to press the block
upwards. Knock the top point of the concave with a hammer (Figure 5-19).

375At the beginning of knocking it, make your force slightly greater. In the finishing period of repair, make
your force softer and try your best to reduce the beating times. Make sure not to knock one point for too
many times to avoid extending on partial area of the metal plate, which may make the repair complex.
As to the concave with a comparatively big radian, a backing plate whose area should be comparatively
big can be put under the center of the concave. Directly push up the depressed plate by a propping-up
tool. Sometimes, the concave place can be heated to dark red to reduce the pushing force. A slight rise is
recommended when pushing up. (Figure 5-20)
Heat-shrinkable method:
After the concave area is pushed up, if the plate is greatly stretched and its area is too big to repair, the
heat-shrinkable method can be adopted.
Use oxygen-acetylene flame to heat to cherry red. The area of heating depends to its extension degree.
The heating area should be bigger (Diameter approx. 20-30mm), when it is seriously extended or the area
is big. If it is slightly extended or the area is small, the heating area should be smaller (Diameter approx.
10-15mm). Quickly knock the heated points with a wooden hammer while they are hot. A backing block
is recommended to push it up. After it cools down, use an iron hammer to gently knock for smoothness.
The shrinkage order is from the highest point gradually to the center and then to the edge. Heat and then
flatten the extended area repeatedly, till the plate is completely flat. If the protrusion is very high, first
compress the whole protrusion to its half. After it cools down, heat the former heating point to remove the
rest half of the protrusion.
When the method is applied, it must be specially noted that you'd better not use the heat-shrinkage
method to avoid side effects. Especially for thin plates, prevent them from being melted through hole..
When the outer plate is lightly crashed and the depressed area belongs to elastic deformation, you may
press its inside to recover to its former shape.
Some depressed area can be repair by prying which is a repair method without disassembling parts. YouIllustration 5-18 Panel Flattening (A)
A Concave Point B Protrusion Point C Knocking PointIllustration 5-19 Panel Flattening (B)
1 Hammer 2 Panel Parts 3 Backing BlockFigure 5-20 Heat and flatten the protrusion
1 heating point

376can make a reshaping repair according to lever principle by making use of different clearances. To repair
by prying without disassembling parts can maintain the original assembling quality and improve the working
efficiency.
4 44 4
4Repair of outer plate breakup welding
Outer plate being breakup welding is caused by bad welding between welding wire and metal plates. For
the general breakup welding of the welding seam, a new welding can be applied after removing the
welding wire accumulated at the joint. For the breakup welding of spot-welding, you can use a one-side
spot welder to spot-weld nearby the breakup welding points. The new points are 10-15mm away from
the original points. Before spot-welding, you should clean up the greasy dirt and rusty spot at the welding
points and also make sure that the plates are well aligned.
For the breakup welding that occurs at the flanging edges, an intermittent gas welding can be applied at
the edge of the plate to make the plate edge melted after the 2 plates are well aligned. The every seam
length of the intermittent weld is about 30mm, and the interval of welding seam can refer to the former
welding interval.
Another repair method for outer plate breakup welding is plug welding. It is better to apply CO2 gas
protecting welding. Drill a hole of diameter 6mm on the outer plate, and then press and well paste the
2 plates. Fill the hole with welding wire by CO2 gas protecting welding. When welding, the welding wire
moves in circular way directing to the inner plate to have the inner and outer plates merged together.
After welding, polish and trim the surface, and then paint.

377Section 4 Features and Composition of Automobile BodyI. Features of BodyBecause the body is integral body construction, the main body is concurrently used as frame to support all
load. The 3-compartment-5-door layout adopted gets the space availability the biggest and favorable to
arrange the space of drivers and passengers. (Figure 5-21)
Figure 5-12 Outside Dimensions