2005 GMC TopKick Coolant

2005 GMC TopKick coolant for each version, from the owner's manual with page references. Values differ by version; see each version.

2005 GMC TopKick, representative photo
Shown: a 2005 GMC TopKick (same generation). Photo: Elise240SX, CC BY-SA 4.0
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Depends on your version. Choose yours, or compare them here.

  • C6/C7/C8 manual transmission, 7.2L 207-230 hp 29.3 quarts capacity
  • C6/C7/C8 manual transmission, 7.2L 207-230 hp with A/C and increased cooling 33.0 quarts capacity
  • C6/C7/C8 manual transmission, 7.2L 250-300 hp 32.8 quarts capacity
  • C6/C7/C8 manual transmission, 7.2L 250-300 hp with A/C and increased cooling 33.3 quarts capacity
  • C6/C7/C8 manual transmission, 7.8L 200-230 hp 31.6 quarts capacity
  • C6/C7/C8 manual transmission, 7.8L 200-230 hp with A/C and increased cooling 35.3 quarts capacity
  • C6/C7/C8 manual transmission, 7.8L 250-300 hp 34.9 quarts capacity
  • C6/C7/C8 manual transmission, 7.8L 250-300 hp with A/C and increased cooling 35.4 quarts capacity
  • C6/C7/C8 manual transmission, 8.1L 33.3 quarts capacity
  • C6/C7/C8 manual transmission, 8.1L with A/C and increased cooling 34.9 quarts capacity

2005 GMC TopKick Owner's Manual, PDF page 318

29.3 quartsOpen the manual at this page ↗Added Oct 21, 2026 · Updated
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Coolant (capacity) · C6/C7/C8 manual transmission, 7.2L 207-230 hp · PDF page 318

29.3 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.2L 207-230 hp with A/C and increased cooling · PDF page 318

33.0 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.2L 250-300 hp · PDF page 318

32.8 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.2L 250-300 hp with A/C and increased cooling · PDF page 318

33.3 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.8L 200-230 hp · PDF page 318

31.6 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.8L 200-230 hp with A/C and increased cooling · PDF page 318

35.3 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.8L 250-300 hp · PDF page 318

34.9 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 7.8L 250-300 hp with A/C and increased cooling · PDF page 318

35.4 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 8.1L · PDF page 318

33.3 quarts

Coolant (capacity) · C6/C7/C8 manual transmission, 8.1L with A/C and increased cooling · PDF page 318

34.9 quarts

2005 GMC TopKick, representative photo
Shown: a 2005 GMC TopKick (same generation). Photo: Elise240SX, CC BY-SA 4.0

All versions

10 values
Applies toValueManual saysPage
C6/C7/C8 manual transmission, 7.2L 207-230 hp 29.3 quartscapacity “29.3 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.2L 207-230 hp with A/C and increased cooling 33.0 quartscapacity “33.0 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.2L 250-300 hp 32.8 quartscapacity “32.8 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.2L 250-300 hp with A/C and increased cooling 33.3 quartscapacity “33.3 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.8L 200-230 hp 31.6 quartscapacity “31.6 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.8L 200-230 hp with A/C and increased cooling 35.3 quartscapacity “35.3 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.8L 250-300 hp 34.9 quartscapacity “34.9 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 7.8L 250-300 hp with A/C and increased cooling 35.4 quartscapacity “35.4 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 8.1L 33.3 quartscapacity “33.3 quarts” PDF page 318 ↗
C6/C7/C8 manual transmission, 8.1L with A/C and increased cooling 34.9 quartscapacity “34.9 quarts” PDF page 318 ↗

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