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 MANUALSCHEVROLET1998TRACKER 4D UTILITY, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMSYSTEM TESTSSOLENOID TEST
1998 Chevrolet Tracker 4D Utility, RWD
Solenoid Test
1998 Chevrolet Tracker 4D Utility, RWDSECTION Solenoid Test
- Turn ignition off. Connect Tech 2. Turn ignition on. Select SPECIAL FUNCTIONS, MANUAL CONTROL. Release motor for channel being tested. Select solenoid for channel being tested. With no brake pressure applied, turn solenoid ON.
- Depress brake pedal. It should be high and firm. If pedal goes to floor, solenoid and/or check ball is leaking.
- With brake pressure still applied, turn solenoid OFF. Pedal shop drop immediately. If pedal does not drop and motor is moving, solenoid is stuck on or off. To verify which solenoid is stuck, apply motor for channel being tested.
- If brake pedal rises, solenoid is stuck open. If pedal falls, solenoid is stuck closed. If pedal slowly drops, or rises when applying motor, physically switch the 2 solenoids. Repeat test for channel in question.
- If pedal continues to drop, check ball is leaking. Replace modulator unit. If test works properly, test other channel. If pedal drops or rises, replace affected solenoid. If test fails for same channel, check valve is leaking. Replace modulator unit.
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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.