LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Oldsmobile
>>
1976
>>
Custom Cruiser
>>
Repair and Diagnosis
>>
Engine Mechanical
>>
Auxiliary Emission Control Systems
>>
EGR System
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
EGR System
Expand All (for easy ctrl-f)
Collapse All
Description
Operation
Ported EGR System
External BACKPRESSURE Transducer Valve With EGR (BPV/EGR)
BACKPRESSURE EGR System
Notes
Positive Backpressure EGR Valve
Negative Transducer Backpressure EGR Valve
Thermal Vacuum Switch
EGR Thermal Control Valve
Testing
Functional Tests
EGR Valve Installed (Exc. Ported & Negative Backpressure Type Valves)
1975-77 BPV/EGR
1978-79 EGR Valve Installed (Ported & Negative Backpressure Types)
EGR Valve Removed (Backpressure Type Valve Only)
Maintenance
EGR Valve Cleaning
EGR Passage Cleaning