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 MANUALSCHEVROLET1985SUBURBAN C10, 6.2 CREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISFUEL INJECTION SYSTEM - 6.2L DIESELREMOVAL & INSTALLATIONFUEL INJECTION LINESREMOVAL (VAN)
1985 Chevrolet Suburban C10, 6.2 C
Removal (Van)
1985 Chevrolet Suburban C10, 6.2 CSECTION Removal (Van)
- Disconnect negative battery cables. Remove engine cover and air cleaner. Disconnect necessary wires and hoses. Remove EGR/EPR switches.
- Remove crankcase depression regulator valve hoses from intake manifold. Remove rear A/C compressor bracket (if equipped).
- Remove fuel filter to intake manifold bracket. Remove vacuum pump. Place a rag or cover over hole to prevent foreign material from entering engine. Remove intake manifold bolts and fuel line clips. Remove intake manifold.
- Install screens in cylinder heads. Remove injection line clips at loom brackets. Raise vehicle (for left bank).
- Remove injection lines at injection nozzles. Lower vehicle. Remove lines at pump. Tag lines for reassembly reference. Cap open lines.
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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.