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Vehicle Service Manual – Sources For Service
Information
The following is a list of sources to obtain vehicle service information for your
specific vehicle.
• Contact your local Automotive Dealership Parts Department.
• Contact local retail auto parts stores for aftermarket vehicle service
information.
• Contact your local library. Libraries often allow you to check-out automo-
tive service manuals.
Do a Thorough Visual Inspection
Do a thorough visual and “hands-on” underhood inspection before
starting any diagnostic procedure! You can find the cause of many
problems by just looking, thereby saving yourself a lot of time.
• Has the vehicle been serviced
recently? Sometimes things get
reconnected in the wrong place,
or not at all.
• Don’t take shortcuts. Inspect
hoses and wiring which may be
difficult to see due to location.
• Inspect the air cleaner and
ductwork for defects.
• Check sensors and actuators for
damage.
• Inspect ignition wires for:
- Damaged terminals.
- Split or cracked spark plug
boots
- Splits, cuts or breaks in the
ignition wires and insulation.
• Inspect all vacuum hoses for:
- Correct routing. Refer to ve-
hicle service manual, or Ve-
hicle Emission Control
Information(VECI) decal lo-
cated in the engine compart-
ment.
- Pinches and kinks.
- Splits, cuts or breaks.
• Inspect wiring for:
- Contact with sharp edges.
- Contact with hot surfaces, such
as exhaust manifolds.
- Pinched, burned or chafed in-
sulation.
- Proper routing and connec-
tions.
• Check electrical connectors for:
- Corrosion on pins.
- Bent or damaged pins.
- Contacts not properly seated
in housing.
- Bad wire crimps to terminals.
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