2004 DAEWOO LACETTI Service Repair Manual

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Page 2409 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 9N – 6IFRAME AND UNDERBODY
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
ALIGNMENT CHECKING
An accurate method of determining the alignment of the
underbody uses a measuring tram ga

9N – 6IFRAME AND UNDERBODY
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
ALIGNMENT CHECKING
An accurate method of determining the alignment of the
underbody uses a measuring tram gauge. The tram gauge
set used to perform the recommended measuring checks
must include a vertical pointer able to reach 457 mm (18
inches).
Two types of measurements can be made with a tram
gauge: direct point–to–point measurements and mea-
surements calculated on a horizontal plane (datum line)
parallel to the underbody. Point–to–point measurements
are generally taken on steering and suspension engine
compartment parts and simply require the vertical pointers
to be set equally.
For horizontal plane measurements, the vertical pointers
must be set as specified for each point to be measured.
Dimensions–to–gauge holes are measured to the center
of the holes and flush to the adjacent surface metal unless
otherwise specified. It is recommended that the diagonal
dimensions to the cross–body be checked on both sides
in order to verify the dimensional accuracy of the vehicle
underbody.
FLOOR PAN INSULATORS
The floor pan insulators have been designed for the higher
floor pan temperatures that result from the use of the cata-
lytic converter in the exhaust system. Therefore, when
servicing a vehicle, it is essential that any insulators that
may have been disturbed or removed be reinstalled in the
original sequence and location. Also, if an insulator needs
to be replaced, use only the insulation specified for that
location on the floor pan.
When servicing or replacing interior insulators, observe
the following instructions.
S Install the insulators in the original position and se-
quence. Butt the pieces together in order to avoid
gapping or overlapping.
S If it is necessary to replace an insulator, use only
the specified insulation.
S Use the original part to determine the amount of
replacement material required and as a template for
cutting and fitting the new piece to the floor pan.
S When installing the insulator, do not enlarge any
cutouts or holes that are used for the attachment of
interior parts such as the instrument panel or the
floor console.
S Route the cross–body harness for interior parts
over the floor pan insulators. Clip it in the original
location.
S Do not apply spray–on deadeners or trim adhesives
to the top of the floor pan at the area directly over
the catalytic converter or the muffler.

Page 2410 of 2643

DAEWOO LACETTI 2004 Service Repair Manual FRAME AND UNDERBODY 9N – 7
DAEWOO V–121 BL4
Any insulator service repair or replacement should be the
same thickness, size, and location as the original installa-
tion in the vehicle.
ENGINE UNDE

Page 2411 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 9N – 8IFRAME AND UNDERBODY
DAEWOO V–121 BL4
GENERAL DESCRIPTION
AND SYSTEM OPERATION
GENERAL BODY CONSTRUCTION
This vehicle is constructed with a unitized body which in-
corporates integral front

Page 2412 of 2643

DAEWOO LACETTI 2004 Service Repair Manual SECTION : 9O
BUMPERS AND FASCIAS
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed

Page 2413 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 9O – 2IBUMPERS AND FASCIAS
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
FRONT BUMPER FASCIA
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the front wheel

Page 2414 of 2643

DAEWOO LACETTI 2004 Service Repair Manual BUMPERS AND FASCIAS 9O – 3
DAEWOO V–121 BL4
Installation Procedure
1. Install the front bumper fascia.
Notice : Dissimilar metals in direct contact with each other
may corrode rapidly. Make sur

Page 2415 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 9O – 4IBUMPERS AND FASCIAS
DAEWOO V–121 BL4
Installation Procedure
1. Install the energy absorber.
2. Install the front bumper fascia. Refer to ”Front
Bumper Fascia” in this section.
FRONT

Page 2416 of 2643

DAEWOO LACETTI 2004 Service Repair Manual BUMPERS AND FASCIAS 9O – 5
DAEWOO V–121 BL4
5. Remove the luggage compartment rear guarter trim
panels. Refer to Section 9G, Interior Trim.
6. Remove the bolts and the nuts in the luggage
compa

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