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 2D UTILITY, RWD, AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSIS & TESTINGPRE-DIAGNOSIS INSPECTION
1998 Chevrolet Tracker 2D Utility, RWD, Automatic
Pre-Diagnosis Inspection
1998 Chevrolet Tracker 2D Utility, RWD, AutomaticSECTION Pre-Diagnosis Inspection
NOTE:
When servicing ABS, the following steps should be followed in order. Failure to follow these steps may result in loss of important diagnostic data and lead to difficult and time consuming diagnostic procedures.
- Perform a vehicle preliminary diagnosis inspection. This should include the following:
- Check master cylinder fluid level. Check brake fluid for signs of contamination.
- Check hydraulic modulator for leaks or wiring damage.
- Check brake components at all 4 wheels. Ensure brakes apply properly and no drag exists.
- Check for worn or damaged wheel bearings.
- Check whell speed sensors and wiring. Ensure sensors are securely attached and toothed ring is not damaged.
- Check wheel-side axle joint alignment and operation.
- Ensure tires meet legal tread depth requirements.
- Perform DIAGNOSTIC SYSTEM CHECK . If any DTCs are displayed, select DTC history to view last malfunction that occurred. Diagnose and repair any stored DTCs.
- If no DTCs are present, there are malfunctions in mechanical components and the failure is intermittent and cannot be reproduced, attempt to recreate the malfunction. Use AUTOMATIC SNAPSHOT function of scan tool while driving vehicle under normal conditions.
- If test drive does not recreate malfunction, perform an ABS stop on a low friction surface at speeds of 30-50 MPH. Trigger snapshot mode on any ABS DTC while stopping.
- If ABS stop does not reproduce malfunction use enhanced diagnostic information in DTC history to determine if further diagnosis is needed. This determination is based on frequency of failure.
- After all malfunctions have been corrected, clear DTC memory and recheck. See CLEARING DIAGNOSTIC TROUBLE CODES (DTCs) .
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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.