Chevrolet Express / Van, GMT600 (USA / CAN)

Automatic transmission fluid capacity & service interval

Chevrolet Express / Van, GMT600 (USA / CAN) requires automatic transmission fluid with a capacity range of 4,7 to 12,8 liters. Service intervals include checks at 6 months or 8000 km, and changes at 24000 km, 48000 km, 50000 miles, or 100000 miles. The data covers 24 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
Express 8.1 V8 (2001-2002)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L60-E 4/1
Express 8.1 V8 (2001-2002)
  • Use: Severe
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L60-E 4/1
Express 8.1 V8 (2001-2002)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L80-E 4/1
Express 8.1 V8 (2001-2002)
  • Use: Severe
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L80-E 4/1
Express 4.3 V6 (1997-2002)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L60-E 4/1
Express 4.3 V6 (1997-2002)
  • Use: Severe
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L60-E 4/1
Express 4.3 V6 (1997-2002)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L80-E 4/1
Express 4.3 V6 (1997-2002)
  • Use: Severe
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L80-E 4/1
Express 5.0 V8 (1997-2002)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L60-E 4/1
Express 5.0 V8 (1997-2002)
  • Use: Severe
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L60-E 4/1
Express 5.0 V8 (1997-2002)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L80-E 4/1
Express 5.0 V8 (1997-2002)
  • Use: Severe
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L80-E 4/1
Express 5.7 V8 (1997-2002)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L60-E 4/1
Express 5.7 V8 (1997-2002)
  • Use: Severe
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L60-E 4/1
Express 5.7 V8 (1997-2002)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L80-E 4/1
Express 5.7 V8 (1997-2002)
  • Use: Severe
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L80-E 4/1
Express 6.5 V8 Diesel (1997-2002)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 8000 km
  • Change 48000 km
  • Code: 4L60-E 4/1
Express 6.5 V8 Diesel (1997-2002)
  • Use: <3900 kg GVWR
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Change 24000 km
  • Code: 4L60-E 4/1
Express 6.5 V8 Diesel (1997-2002)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 8000 km
  • Change 48000 km
  • Code: 4L80-E 4/1
Express 6.5 V8 Diesel (1997-2002)
  • Use: <3900 kg GVWR
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Change 24000 km
  • Code: 4L80-E 4/1
Express 7.4 V8 (1997-2000)
  • Use: Normal
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L60-E 4/1
Express 7.4 V8 (1997-2000)
  • Use: Severe
  • Capacity 10,6 liter (Overhaul capacity)
  • Capacity 4,7 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L60-E 4/1
Express 7.4 V8 (1997-2000)
  • Use: Normal
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 100000 miles
  • Code: 4L80-E 4/1
Express 7.4 V8 (1997-2000)
  • Use: Severe
  • Capacity 12,8 liter (Overhaul capacity)
  • Capacity 7,3 liter (Service fill)
  • Check 6 months
  • Change 50000 miles
  • Code: 4L80-E 4/1

Additional Notes

  • Two distinct transmission sizes appear across all engine configurations in the Chevrolet Express / Van GMT600 lineup for 1997-2002. The smaller unit carries an overhaul capacity of 10.6 liters paired with a service fill of 4.7 liters, while the larger unit holds 12.8 liters at overhaul and 7.3 liters for a service fill. The gap between overhaul and service fill figures in both cases reflects the volume of fluid retained in the torque converter and transmission cooler lines during a routine drain-and-fill, which is not recovered without a full disassembly.
  • For the gasoline-powered variants — the 4.3 V6, 5.0 V8, 5.7 V8, and 7.4 V8 — the fluid change interval under normal use conditions is set at 100,000 miles, with a six-month check interval applying regardless of mileage accumulation.
  • Under severe use conditions, the change interval for those same gasoline engines drops to 50,000 miles, exactly half the normal-use figure, while the six-month fluid level check cadence remains unchanged.
  • The 6.5 V8 Diesel specifications depart from the mile-based intervals used for gasoline engines. Normal-use fluid checks are scheduled every 8,000 km, with changes at 48,000 km, reflecting the metric-based service structure applied to the diesel configuration.
  • For the 6.5 V8 Diesel operating at a gross vehicle weight rating below 3,900 kg, the fluid change interval shortens to 24,000 km — half the standard 48,000 km interval — with no separate check interval listed for that weight-based condition.
  • The 7.4 V8 engine appears only in the 1997-2000 model years, a narrower range than the other gasoline engines that span the full 1997-2002 period. Despite the shorter production window, the transmission fluid capacities and service intervals for the 7.4 V8 are identical to those of the other gasoline configurations.
  • The 8.1 V8 enters the specifications beginning with the 2001 model year, covering 2001-2002. Transmission fluid capacities and service intervals for the 8.1 V8 match those of the other gasoline engines exactly, with 100,000-mile normal-use and 50,000-mile severe-use change intervals and a six-month check schedule.
  • Across all gasoline engine variants and both transmission sizes, the service fill capacity of 4.7 liters represents roughly 44 percent of the 10.6-liter overhaul total, and the 7.3-liter service fill represents approximately 57 percent of the 12.8-liter overhaul capacity. These proportions reflect how much fluid a partial service actually replaces relative to the full system volume.

Other Systems