What is the widest engine compartment cross measurement shown?

1,439 mm (56.65 in), marked with an asterisk indicating the symmetrically opposite measurement is the same value.

What does an asterisk (*) after a dimension mean in this body alignment diagram?

It indicates that the measuring point on the other side of the vehicle is symmetrically the same value.

What are the "x", "y" and "z" dimension lines defined as?

The "x" line is the center line of the vehicle; the "y" line is the center line of the front axle (points in front of it are minus values); the "z" line is the datum line (points under it are minus values).

Where should body alignment measurements be taken?

At the center of the mounting holes, using a tram tracking gauge with both pointers adjusted to equal length and no free play, or a measuring tape checked for elongation, twisting or bending.

What units are the dimensions given in?

Millimeters with inches in parentheses — Unit: mm (in), e.g. 844 (33.23).

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Nissan Micra Body Alignment - Engine Compartment Measurement Diagram (BF-22)

Body alignment dimensioned drawing of engine compartment with measurement points

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Body-alignment dimensioned drawing of the engine compartment with measurement points and metric/inch dimensions.

AI caption February 2006 · Photo 335 of 412

This page, titled "Body Alignment," is from a factory service manual body (BF) section, page BF-22. It provides general instructions for taking body alignment measurements: all dimensions shown are actual, tram tracking gauge pointers must be set to equal length with no free play, measuring tapes must be checked for elongation/twisting/bending, and measurements are taken at the centers of mounting holes. An asterisk after a value means the symmetrically opposite point has the same value. It explains the coordinate system used: the "x" line is the vehicle center line, the "y" line is the front axle center line (points forward of it are negative), and the "z" line is the datum line (points below it are negative). The main content is an Engine Compartment MEASUREMENT diagram (figure code SBF283D) showing a three-quarter view of the front body structure with circled measurement points (a–i lowercase and A–I uppercase) and point-to-point distances in mm (inches), including 1,439 (56.65)*, 1,250 (49.21), 1,170 (46.06), 844 (33.23), 808 (31.81)*, 806 (31.73), 779 (30.67)*, 757 (29.80), 674 (26.54)*, 614 (24.17), 528 (20.79)*, 512 (20.16)*, 980 (38.58), and 222 (8.74). This information lets a body shop verify front-end structural alignment after collision repair.

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Frequently asked questions

What is the widest engine compartment cross measurement shown?: 1,439 mm (56.65 in), marked with an asterisk indicating the symmetrically opposite measurement is the same value.
What does an asterisk (*) after a dimension mean in this body alignment diagram?: It indicates that the measuring point on the other side of the vehicle is symmetrically the same value.
What are the "x", "y" and "z" dimension lines defined as?: The "x" line is the center line of the vehicle; the "y" line is the center line of the front axle (points in front of it are minus values); the "z" line is the datum line (points under it are minus values).
Where should body alignment measurements be taken?: At the center of the mounting holes, using a tram tracking gauge with both pointers adjusted to equal length and no free play, or a measuring tape checked for elongation, twisting or bending.
What units are the dimensions given in?: Millimeters with inches in parentheses — Unit: mm (in), e.g. 844 (33.23).