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.
2002 Chevrolet Avalanche 2500, RWDFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | w/o Rear AC | 8.00 OZS. | 0.23 L | PAG 46 | S | ||
| Air Cond Compressor Oil | w/Rear A/C | 11.00 OZS. | 0.32 L | PAG 46 | S | ||
| Air Cond Refrigerant | 1.76 LBS. | 0.79 KG | R-134a | S | |||
| Automatic Transmission Fluid | 8.1L Eng | Drain and Refill | 7.70 QTS. | 7.28 L | Automatic Transmission Fluid DEXRON VI | Refer to TSB No. 04-07-30-037C, Date of Issue: April 11, 2007. | S |
| Automatic Transmission Fluid | 8.1L Eng | Overhaul | 13.50 QTS. | 12.77 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 | 2500 | Rear | N/A | N/A | SAE 75W-90 Synthetic Gear Oil | The proper level for the 2500 Series is from 0 to 3/8" below the bottom of the filler plug hole. | S |
| Differential Gear Oil | Front | N/A | N/A | SAE 80W-90 Gear Oil | When the differential is cold, add enough lubricant to raise the level to 1/2" below the filler plug hole. When the differential is at operating temperature, add enough lubricant to raise the level to the bottom of the filler plug hole. | S | |
| Engine Coolant | 8.1L Eng | 24.00 QTS. | 22.71 L | 50/50 mixture of DEX-COOL and clean, drinkable water | S | ||
| Engine Oil | 8.1L Eng | 6.50 QTS. | 6.15 L | API - SAE 5W-30 | S | ||
| Fuel Tank | 2500 | 37.00 GALS. | 140.06 L | S | |||
| Power Steering Fluid | N/A | N/A | GM Power Steering Fluid | GM Part No. 89021184. | S | ||
| Transfer Case Fluid | 2.00 QTS. | 1.89 L | AUTO TRAK II Fluid | Add enough lubricant to raise the level to the bottom of the filler plug hole. | S | ||
| Windshield Washer Fluid | N/A | N/A | Optikleen Windshield Washer Fluid | Follow the Manufacturer's Instructions for the mixture ratio. | S | ||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.