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 MANUALSMAZDA2008TRIBUTE S SPORT, 4WDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLSYMPTOM TROUBLESHOOTING (BRAKE SYSTEM)SYMPTOM TROUBLESHOOTING CHART - CONVENTIONAL BRAKE SYSTEM, HYDRAULIC

2008 Mazda Tribute s Sport, 4WD

Symptom Troubleshooting Chart - Conventional Brake System, Hydraulic

2008 Mazda Tribute s Sport, 4WDSECTION Symptom Troubleshooting Chart - Conventional Brake System, Hydraulic

SYMPTOM TROUBLESHOOTING CHART - CONVENTIONAL BRAKE SYSTEM, HYDRAULIC

Condition	Possible Sources	Action
The red brake warning indicator and the yellow ABS warning indicator are illuminated	DTCs in the ABS module	See HYDRAULIC CONTROL UNIT (HCU) to diagnose the ABS module.
The red brake warning indicator is illuminated and the yellow ABS warning indicator is not illuminated	Brake fluid and/or brake fluid leaks	INSPECT the system for leaks, REPAIR as necessary FILL the brake master cylinder reservoir to the MAX line.
	Parking brake	MAKE SURE the parking brake is fully released. If it is fully released, see PINPOINT TEST 7: THE RED BRAKE WARNING INDICATOR IS ILLUMINATED AND THE YELLOW ABS WARNING INDICATOR IS NOT ILLUMINATED .
	Wiring, terminals or connectors Controller area network (CAN) communication system Instrument cluster Smart junction box (SJB)	See PINPOINT TEST 7: THE RED BRAKE WARNING INDICATOR IS ILLUMINATED AND THE YELLOW ABS WARNING INDICATOR IS NOT ILLUMINATED .
The red brake warning indicator is inoperative	Wiring, terminals or connectors Instrument cluster Missing CAN communication	See INSTRUMENT CLUSTER to diagnose the instrument cluster.
The brakes pull or drift	Tires	INSPECT the tires for uneven or excessive wear, and correct inflation. See SYMPTOM TROUBLESHOOTING CHART - WHEELS AND TIRES to diagnose the tires.
	Brake pads	INSPECT the brake pads for contamination, uneven taper or excessive wear. See BRAKE PADS - FRONT REMOVAL/INSTALLATION .
	Brake discs	INSPECT the brake discs and the hubs for contamination or damage. INSTALL new brake discs or hubs as necessary. See BRAKE DISC - FRONT REMOVAL/INSTALLATION .
	Brake calipers and/or guide pins	INSPECT the brake calipers and guide pins, see BRAKE CALIPER - FRONT REMOVAL/INSTALLATION .
	Suspension component and/or wheel alignment	INSPECT the suspension and CHECK the wheel alignment. See SUSPENSION SYSTEM - DIAGNOSIS AND TESTING and for wheel alignment, see WHEEL ALIGNMENT ANGLES .
Brake pedal goes down fast	Brake fluid leaks and/or air in the system	INSPECT the system for leaks. REPAIR as necessary. FILL the brake master cylinder reservoir. BLEED the system. See BRAKE SYSTEM BLEEDING .
	Brake master cylinder	CARRY OUT the Brake Master Cylinder component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	Hydraulic control unit (HCU)	INSPECT the HCU. See ANTI-LOCK CONTROL .
The brake pedal eases down slowly	Air in system	BLEED the system. See BRAKE SYSTEM BLEEDING .
	Brake master cylinder	CARRY OUT the Brake Master Cylinder component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	HCU	INSPECT the HCU. See ANTI-LOCK CONTROL .
Brakes lock up under light brake pedal force	Brake pads	INSPECT the brake pads for uneven taper or excessive wear. See BRAKE SYSTEM .
	Brake shoes	INSPECT the brake shoes for excessive wear. See BRAKE SYSTEM .
	Brake calipers and/or guide pins	INSPECT the brake calipers and guide pins. See BRAKE SYSTEM .
	Brake shoes out of adjustment	See BRAKE SHOE ADJUSTMENT .
	Anti-lock brake control system	INSPECT the anti-lock brake control system. See ANTI-LOCK CONTROL - (4WABS) .
Excessive/erratic brake pedal travel	Brake fluid leaks and/or air in the system	INSPECT the system for leaks. REPAIR as necessary. BLEED the system. See BRAKE SYSTEM BLEEDING .
	Brake calipers and/or guide pins	INSPECT the brake calipers and guide pins. See BRAKE SYSTEM .
	Brake flexible hose	INSPECT the brake flexible hoses for swelling and damage. INSTALL new as necessary. See BRAKE SYSTEM
	Brake master cylinder	CARRY OUT the Brake Master Cylinder component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	Brake pads	INSPECT the brake pads for taper wear. See BRAKE SYSTEM .
	Brake pedal	INSPECT the brake pedal for binding, obstructions and correct installation. REPAIR as necessary. CHECK the brake pedal fasteners for correct torque. See SPECIFICATIONS .
	Anti-lock brake control system	INSPECT the anti-lock brake control system.
Brakes drag	Parking brake component	REPAIR or INSTALL new components as necessary. See PARKING BRAKE CONTROL .
	Brake shoes out of adjustment	See DRUM BRAKE SYSTEM - EXPLODED VIEW .
	Brake caliper guide pins	REPAIR or INSTALL new caliper guide pins. INSTALL new components as necessary. See FRONT DISC BRAKE SYSTEM - EXPLODED VIEW .
	Brake caliper(s)	REPAIR or INSTALL new brake calipers as necessary. See BRAKE CALIPER - FRONT REMOVAL/INSTALLATION .
	Wheel cylinder(s)	REPAIR or INSTALL new wheel cylinders as necessary. See DRUM BRAKE SYSTEM .
	Brake booster	CARRY OUT the Brake Booster component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	Brake master cylinder	CARRY OUT the Brake Master Cylinder component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	Stoplamp switch	INSPECT the switch for correct installation. REINSTALL or INSTALL new as necessary. See STOPLAMPS .
	Speed control deactivator switch	INSPECT the switch for correct installation. REINSTALL or INSTALL new as necessary. See
Excessive brake pedal effort	Insufficient engine vacuum for brake booster operation	INSPECT engine vacuum.
	Brake booster manifold vacuum hose	VERIFY engine vacuum at the booster. REROUTE, REPAIR or INSTALL new components as necessary.
	Brake booster	VERIFY engine vacuum at the booster. CARRY OUT the Brake Booster component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .
	Brake booster check valve	VERIFY engine vacuum at the booster. CARRY OUT the Check Valve component test. See COMPONENT TESTS - CONVENTIONAL BRAKE SYSTEM .

RENDER: 1.0x

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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.