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Maintenance Information (C & K Series): Maintenance GMC Pickup C2500

Procedures 1 illustration ~116 words

DRAINING FUEL FROM WATER/FUEL SEPARATOR (DIESEL)

WARNINGDiesel fuel system may be contaminated with fungi or other microorganisms. Keep contaminated fuel away from open skin cuts or sores to prevent skin irritation or infection.
WARNINGDO NOT drain fuel/water separator when engine is running or hot. Allow engine to cool before draining. Verify that the WATER IN FUEL light on instrument panel is OFF.
  1. Turn off engine and block drive wheels.
  2. Remove fuel filler cap(s) to release any pressure or vacuum in the vehicle fuel tank(s).
  3. Place a suitable container under the filter drain hose.
  4. Open the drain valve. (Scheme 10)
  5. Start engine and allow to idle for 1 to 2 minutes or until clear fuel is observed.
  6. Close the drain valve and stop the engine.
  7. Replace fuel filler cap(s).
  8. Dispose of drained mixture in a proper manner.

Scheme 10

Scheme 10

Note. For more information regarding Diesel Idle Speed Adjustments refer to the ADJUSTMENTS - 6.5L DIESEL article in the ENGINE PERFORMANCE section.

STARTING FLUID USE (TURBO DIESEL)

WARNINGDO NOT USE starting fluids (ether) or flammable liquids to aid the starting of a Diesel engine. NEVER pour diesel fuel, flammable liquids or starting fluids into the air cleaner canister, air intake or turbocharger housing in an attempt to start the vehicle. A flash fire may result causing personal injury.