LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1990 >> Suburban R2500, 7.4 N, 400/M40 >> Repair and Diagnosis >> Quick Lookups >> Fluids
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Quick Lookups: Fluids

FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Refrigerant Front & Rear 5.25 LBS. 2.38 KG R-12 S
Air Cond Refrigerant Front 3.25 LBS. 1.47 KG R-12 S
Automatic Transmission Fluid Trans Mfr CD 400/M40 Drain and Refill 4.20 QTS. 3.97 L Automatic Transmission Fluid DEXRON VI Refer to TSB No. 04-07-30-037C, Date of Issue: April 11, 2007. S
Automatic Transmission Fluid Trans Mfr CD 400/M40 Overhaul 11.00 QTS. 10.4 L Automatic Transmission Fluid DEXRON VI Refer to TSB No. 04-07-30-037C, Date of Issue: April 11, 2007. S
Brake Fluid N/A N/A DOT 3 Brake Fluid S
Differential Gear Oil Rear,10 1/2" ring gear 3.25 QTS. 3.07 L API - GL-5, SAE 80W or 80W-90 Gear Oil S
Differential Gear Oil Rear,8 1/2" Ring Gear 2.10 QTS. 1.98 L API - GL-5, SAE 80W or 80W-90 Gear Oil S
Differential Gear Oil Rear,9 1/2" Ring Gear 3.25 QTS. 3.07 L API - GL-5, SAE 80W or 80W-90 Gear Oil S
Engine Coolant Eng VIN N w/Air Cond 24.00 QTS. 22.71 L 56/44 mixture of Ethylene Glycol Base Antifreeze and water GM Specification 1825-M. S
Engine Coolant Eng VIN N w/o Air Cond 23.00 QTS. 21.76 L 56/44 mixture of Ethylene Glycol Base Antifreeze and water GM Specification 1825-M. S
Engine Oil Eng VIN N w/Filter 6.00 QTS. 5.67 L API - SAE 10W-30 S
Engine Oil Eng VIN N w/o Filter 5.00 QTS. 4.73 L API - SAE 10W-30 S
Fuel Tank Gas NE2 Option 40.00 GALS. 151.41 L S
Fuel Tank Gas Standard 31.00 GALS. 117.34 L S
Power Steering Fluid N/A N/A GM Power Steering Fluid GM Part No. 1050017. S
Transfer Case Fluid 5.00 QTS. 4.73 L Automatic Transmission Fluid DEXRON II S
Windshield Washer Fluid N/A N/A Optikleen Windshield Washer Fluid Follow the Manufacturer's Instructions for the mixture ratio. S