Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2000PARK AVENUE BASE, 3.8 KREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM AND WASHER SYSTEMTROUBLE SHOOTINGSYSTEM OPERATION CHECKPULSE SYSTEM
2000 Buick Park Avenue Base, 3.8 K
Pulse System
2000 Buick Park Avenue Base, 3.8 KSECTION Pulse System
- Turn ignition switch to RUN position. Press washer switch ON button for less than one second. Washer should spray for 2 1/2 seconds after switch is released. Wipers should operate at low speed while spraying and continue to operate at low speed for 2 sweeps after wash cycle is complete, then return to Park position.
- Move wiper switch to DELAY (pulse mode) position. Wipers should make one complete sweep, pause for 1-20 seconds, depending on delay setting, before making next sweep.
- With wiper switch in DELAY position, press washer switch ON. Washer should spray as long as switch is held on. Wipers should operate at low speed while spraying and continue for 2 sweeps after washer switch is released. Wipers should return to pulse operation.
- Turn wiper switch to LOW. Wipers should operate continuously at low speed. Turn wiper switch to HIGH position. Wipers should operate continuously at high speed. Turn wiper switch to OFF position. Wipers should return to Park position at low speed. Turn wipers to MIST position. Wipers should make one complete sweep at low speed, then return to Park position. If wiper system does not function properly, perform appropriate symptom test. See SYMPTOM INDEX table under SYMPTOM TESTS.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.