The diagnosis and repair procedures in a GM Service Manual contain both
general and specific Dangers,
Warnings, Cautions, Notes or Importants. GM is dedicated to the presentation of
service informat
WARNING: Certain components in the Antilock Brake System (ABS) are not
intended
to be serviced individually. Attempting to remove or disconnect certain
system components may result in personal injury
WARNING: In order to reduce the risk of fire and personal injury
observe the
following items:
Replace all nylon fuel pipes that are nicked, scratched or damaged
during installation, do not attempt
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT
Special Tools
GE-42401-A Radiator Cap and Surge Tank Test Adapter
For equivalent regional tools, refer to Special Tools.
WARNING: Under pressure, the temperature of the solution in the
radiator can be
considerably higher, without boiling. Removing the radiator cap while the engine
is hot (pressure