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INTRODUCTION
This Guide provides the labor times for repairs
and service operations covered under warranty
for IMPCO Technologies Engine Systems Divi-
sion fuel systems. It applies to 2008 model year
3.0L GM Emission Certified Engines
The warranty reimbursement for the labor opera-
tions can be calculated when used in conjunction
with the IMPCO Policy & Procedures Manual.
The labor times published in this Guide identify
labor operations and labor times required to per-
form a repair, replacement and/or adjustment
operation. These times represent those of an av-
erage technician in a typical dealership using
standard hand tools, equipment and some Spe-
cial Service Tools. They are not intended to be
used as retail labor rates.
LABOR TIME STUDY DEVELOPMENT
GENERAL
The labor times published in this Guide were de-
veloped by IMPCO using genuine IMPCO parts
and procedures listed in the IMPCO Service Ma-
nual. They include the actual time required to
perform the operation and diagnose the system
or component failure. All operations also include
a standard allowance for “access time” to locate
the vehicle, move it to a safe and suitable work
area, access the engine, use of Special Service
Tools and time to open packaged parts. The
times also provide for operation variables but do
not include time to remove and/or replace non-
IMPCO components and accessories.
TOOLS
The labor time studies were based on the use of
standard hand tools and Special Service Tools.
No power-operated tools were used. The labor
times were developed by general technicians fol-
lowing procedures described in the Service
Manual Supplement, Service Publications and
good shop practices. The times were calculated
using an engine mounted on a stand.
TIME ALLOWANCES
The labor times include the removal, disassem-
bly, cleaning, re-assembly, installation and/or
adjustment of the affected component or assem-
bly. Any cleaning time is limited to the
installation or replacement of components (such
as mating surfaces) and does not include clean-
ing other areas of the vehicle contaminated by
failure of the component (e.g. coolant sprayed
inside the engine compartment). Labor opera-
tions that require more than one technician are
adjusted to represent the total time for all techni-
cians.
GLOSSARY OF TERMS
OPERATION DESCRIPTION
The Operation Description identifies the repair to
be performed and may include sub-headings
such as: ADD conditions, NOTES, INCLUDES
and other information. This information is essen-
tial for both the technician and warranty claim
processing personnel to properly complete a
warranty claim for accurate cost recovery
.
FAILED PART / CAUSAL PART
The Failed or Causal Part is the part that caused
the repair and/or replacement of other parts. The
technician must identify the part as defective
(i.e., one that exhibits a flaw or manufacturer’s
defect in material or workmanship). The Causal
Part must be tagged
for warranty failure analy-
sis identification prior to returning it to IMPCO
Technologies.
TROUBLE CODES / CONDITION CODING
Each failed or causal part must be coded to iden-
tify the manufacturer’s defect of the part as
accurately as possible (see Trouble Code chart).
The code selected by the repairing technician
identifies the manufacturer’s defect and/or work-
manship condition qualifying the repair for
warranty coverage.
ADD CONDITIONS
Add Conditions may be required to complete or
supplement a labor operation and are included in
the Add sections under the Labor Operation De-
scription. If an ADD is performed, the allowed
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