(a) Cutting with Gas Welding
(b) Cutting with SawFig. 5-33Fig. 5-34 (a) Milling Welding Point with Flat Blade Borer
(b) Drill Spot Welding Point with Common Borer(c) Separating Spot Welding Point
(d) Seperating Continuous Welding JointBody Repair -Repair After Body Damage7-22Cutting line
Cutting line
Flat blade borer
Mill welding point
Separate
Brush
Welding point
Determinate position of
welding pointElectronic borer head
Removable piece
Mill welding point
Welding point
Wedge
Grinding wheel
Welding line
Grinding wheel
Welding line
2. Shock Absorption & Noise Isolation
(1) Body structure (Fig. 5-37)
a. Arrange the reinforced bar reasonably to improve the parts' rigidity, reduce the shock and lower the noise.
b. Apply the sealant in the floor seam to improve the floor sealing and reduce the noise in the cabin.Fig. 5-37 Front Wall Panel
1. Front wall bridge reinforced panel
2. Front wall mid-frame panel
3. Front wall lower main panel
4. Heat-isolated pad
Fig. 5-38 (a) Body floor
1. Front mud guard 2. Rear side wall 3. Rear wheel housing 4.Floor sides (2) Deadening
It is an interactive and systemic work to make the body isolate heat, shock and noise. Besides the measures
carried out to improve the body's stiffness and sealing performance, the following measures shall be taken in the
design and manufacture process.
a. Sound isolation material: add sound isolation pad on the front wall and floor.
b. Sound absorption material: add molded carpet on the front floor and rear floor.
3. Sealing
Special consideration has been given to the sealing of the body both in design process and in manufactureprocess. Sealing plays an important role in many aspects, such as dust resistance, water resistance, corrosionresistance, heat resistance, heat preservation, and noise reduce etc. Especially when the body floor and front wall
stay in a tough external condition, the mud, dust, noises (from the tire and engine) and hot air will invade into the
cabin any time.
After the body assembly is welded, sealant will be employed on all joints to prevent the water and steam
penetrating into the metal seam and ensure the quality of subsequent painting.
In addition, a thick layer of impact-proof PVC coat is applied on the base of the body, which has excellentsealing performance. For the sealing to those assemblies, the traditional sealing method is used, such as rubber sealBody Repair -Features and Composition of Automobile Body7-251
123Front4
1 Engine right insulator x body JQ184C1025(3 pcs)43~58 43~58
2 Brake pedal with bracket assy. x central cross member Q151B0820(1 pcs)22~29 22~29
3Brake pedal with bracket assy. x brake master cylinder
Q32008(4 pcs)22~29 22~29
with vacuum booster assy.
4 Clutch pedal x central cross member Q1840816(1 pcs)/22~29
5 Clutch pedal x clutch master cylinder Q32208(2 pcs)/22~29
6 Accelerator pedal Q32208(2 pcs)22~29 22~29
7 LH/RH front brake pipe component x HECU controller Null13~18 13~18
8 LH/RH rear brake pipe component I x HECU controller Null13~18 13~18
9Brake master cylinder No. 1 and No.2 pipe component
Null13~18 13~18
x HECU controller, brake master cylinder
10Clutch hydraulic hose assy. x master cylinder oil outlet pipe componentNull13~18 13~18
11 Steering column assy. x universal joint assy.Q151B0820TF2(1 pcs)22~29 22~29
12 (LH & RH) front shock absorber component x body37~45 37~45
13 (LH & RH) rear shock absorber component top nut Q341C10(2 pcs) 22~29 22~29
14(LH & RH) front shock absorber piston rod x front
Q330B12(2 pcs)31~38 31~38
suspension bracket sub-assy.
15 (LH & RH) rear seat belt assy. x body7/16" bolt ( )39~53 39~53
16 (LH & RH) front seat belt assy. x body7/16" bolt( )39~53 39~53
17 (LH & RH) front buckle assy. x body7/16" bolt( )39~53 39~53
18 RR seat belt buckle and lap belt assy. x body7/16" bolt( )39~53 39~53
19 LR buckle assy. x body7/16" bolt( )39~53 39~53
20 Rear axle assy. x bodyJQ14012110TF2(2 pcs)73~103 73~103
21 (LH & RH) rear shock absorber x rear axle JQ320B12(2 pcs)47~56 47~56
22LH & RH brake pipe component III x LH & RH rear
Null13~18 13~18
drum brake with wheel hub assy.
23LH & RH rear brake hose x LH & RH rear brake pipe component IIINull13~18 13~18
24 LH/RH rear drum brake with wheel hub assy. x rear axleMounting nut (8pcs)60~72 60~72
25LH/RH rear brake pipe component I x LH/RH rear brake pipe component IINull13~18 13~18Appendix: Torque Table of the Fasteners for Important AssemblyTorque N.m
No.
JL7132HU
JL7152HUJL7132U
JL7152U
JL7162UAppendix-Torque Table of the Fasteners for Important AssemblyIArea Fastener
front suspension
support sub-assy.
Mounting nut (6 pcs)
Torque N.m
No.
JL7132HU
JL7152HUJL7132U
JL7152U
JL7162U Area FastenerAppendix: Torque Table of the Fasteners for Important Assembly77 Primary muffler x intermediate muffler JQ32010(2 pcs)40~60 40~60
78 Engine right mount x right insulator JQ184C1040(2 pcs)49~60 49~60
79 Wheel rim x wheel hub Hub nut (16 pcs)88~117 88~117
80 Universal joint x power steering gearQ151B0820TF2(1 pcs)22~29 22~29
81 Steering wheel x steering column assy. Steering wheel nut33~59 33~59Appendix-Torque Table of the Fasteners for Important AssemblyIV
