Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
GMC
>>
1982
>>
Magnavan Standard Trans
>>
Repair and Diagnosis
>>
Engine Mechanical
>>
Auxiliary Emission Control Systems
>>
Exhaust Gas RECIRCULATION
Exhaust Gas RECIRCULATION
Expand All (for easy ctrl-f)
Collapse All
Description
Operation
Back Pressure EGR System
Notes
Positive Back Pressure EGR Valve
Negative Transducer Back Pressure EGR Valve
EGR Thermal Vacuum Switch
Testing
System Operation
Functional Tests
EGR Valve Installed Negative Back Pressure Types
EGR Valve Removed Positive Back Pressure Type
EGR-TVS Test (Hot)
EGR-TVS Test (Cold)
Maintenance
EGR Passage Cleaning
General Motors Vacuum Advance Spark Control
Description
Trapped Vacuum Spark
Spark Vacuum Delay
Operation
Trapped Vacuum Spark
Spark Vacuum Delay