CAR SPEC SHEET

2005 GMC T Series Transmission Fluid

2005 GMC T Series transmission fluid for each version, from the owner's manual with page references. Values differ by version; see each version.

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Depends on your version. Choose yours, or compare them here.

  • Automatic, Allison 2400 Series; 2500 Series (add 2 pints when changing spin-on or remote filter) 35.0 pints capacity
  • Automatic, MD 3060 P; MD 3560 P 52.0 pints capacity
  • Manual, FS5406; FS6406 18.4 pints capacity
  • Manual, RT8709B 25.1 pints capacity
  • Manual, RT8908LL 29.1 pints capacity

2005 GMC T Series Owner's Manual, PDF page 236

35.0 pints*Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed

Transmission fluid (capacity) · Automatic, Allison 2400 Series; 2500 Series (add 2 pints when changing spin-on or remote filter) · PDF page 236

35.0 pints*

Transmission fluid (capacity) · Automatic, MD 3060 P; MD 3560 P · PDF page 236

52.0 pints

Transmission fluid (capacity) · Manual, FS5406; FS6406 · PDF page 236

18.4 pints

Transmission fluid (capacity) · Manual, RT8709B · PDF page 236

25.1 pints

Transmission fluid (capacity) · Manual, RT8908LL · PDF page 236

29.1 pints

All versions

5 values
Applies toValueManual saysPage
Automatic, Allison 2400 Series; 2500 Series (add 2 pints when changing spin-on or remote filter) 35.0 pintscapacity “35.0 pints*” PDF page 236 ↗
Automatic, MD 3060 P; MD 3560 P 52.0 pintscapacity “52.0 pints” PDF page 236 ↗
Manual, FS5406; FS6406 18.4 pintscapacity “18.4 pints” PDF page 236 ↗
Manual, RT8709B 25.1 pintscapacity “25.1 pints” PDF page 236 ↗
Manual, RT8908LL 29.1 pintscapacity “29.1 pints” PDF page 236 ↗

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