Body and Frame: Description and Operation

2006 Chevrolet Optra (CANADA) L4-2.0LSECTION Description and Operation



Frame Reference Point Description

Whenever possible, make judgements and conclusions based on measurement. Measure the wheel alignments so as to prevent any future trouble like unsymmetrical wear of the tires or catching of the steering wheel.

* If there are any deviations, use a tram tracking gage and measure parts of the body (a).
* If there is any twisting to the body, measure using a frame centering gage (b).

Specifications
* Pointer B - Short pointer height adjustment 15-290 mm (0.59-11.42 in)
* Pointer B - Long pointer height adjustment 185-450 mm (7.28-17.72 in)

* When measuring body dimensions, use a universal tram gage (c).

Frame Reference Point




1 - Adjust Screw A
2 - Pointer C Holder
3 - Reference Scale
4 - Expanding/Contracting Scale
5 - Pointer B
6 - Adjust Screw C
7 - Adjust Screw B
8 - Pointer C
9 - Adjust to the Diameter of the Wheel Disc
10 - Adjust to the Vehicle
11 - Pointer A
12 - Clip
13 - Set Screw
14 - Move Within A Range of 250-1,570 mm (9.84-61.81 in)
15 - Frame
16 - Pointer 4
17 - Set Ring
18 - Height

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.