DRIVEABILITY AND EMISSIONS 6E1-307
SPECIAL SERVICE TOOLS (Cont'd)
ITEM NO. ILLUSTRATION PART NO. PART NAME
5-8840-2608-0
Ultrasonic Leak
Detector
5-8840-2589-0 Injector Adapter Cable
1
5-8840-2608-0 EVAP Pressure/Purge Diagnostic Station is a multipurpose tool which is used to perform several
diagnostic procedures for enhanced emission testing. The station will accommodate a nitrogen gas filled cylinder
which is used to pressurize the vehicle EVAP system for a leakdown test and leak location test when a vehicle is
repaired for leakage in the enhanced evaporative emission control system. It also has two additional gauges
inches of mercury and inches of water) which are used to measure both source vacuum and EVAP canister
purge vacuum to verify correct operation and vapor flow within the canister purge circuit.
2
5-8840-2608-0 Ultrasonic Leak Detector is a microprocessor-based device used to detect leaks in the enhanced
evaporative emission control system. the evaporative system is pressurized to 30 inches of water using the
5-8840-2608-0 EVAP Pressure/Purge Diagnostic System. Small leaks in the EVAP system will emit sound at a
high frequency undetectable by a human ear but detectable with the 5-8840-2608-0. The technician traces along
the evaporative system and can pinpoint leaks due to corroded lines, cracked hoses, or a damaged EVAP
component. The detector includes a high quality set of headphones to block out surrounding shop noise and the
LED sensitivity meter allows a visual reference for locating leaks in conjunction with the audio output heard
through the headphones. Powered by (1) nine volt battery.
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