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 MANUALSCHEVROLET1991S10/T10 P/U 4WD V6-262 4.3LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSANTILOCK BRAKES / TRACTION CONTROL SYSTEMSSYSTEM SPECIFICATIONS
1991 Chevrolet S10/T10 P/U 4WD V6-262 4.3L
System Specifications
1991 Chevrolet S10/T10 P/U 4WD V6-262 4.3LSECTION System Specifications
4WAL Component Specifications:
Fastener Torque N-m (lb.ft.)
Front wheel speed sensor mounting bolt 15 (10)
Rear wheel speed sensor mounting bolt 35 (10)
EHCU-to-mounting bracket bolt 25 (18)
EHCU mounting bracket-to-body bolt 25 (18)
EHCU hydraulic fittings:
^ Rear inlet 20-30 (14-22)
^ Rear outlet 20-30 (14-22)
^ Front inlet 20-30 (14-22)
^ Left front outlet 20-30 (14-22)
^ Right front outlet 20-30 (14-22)
EHCU internal air bleed screw 7 (5)
Wheel sensor:
Air gap between toothed ring gear
and magnetic coil 1.27mm (.05 in.)
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.