Chevrolet 2004 Astro Owner's Manual page 316

Capacities and Specifications
Please refer to Part D: Recommended Fluids and Lubricants on page 6-30 for more information. See refrigerant
charge label under the hood for charge capacity information and requirements.
Engine
"Vortec" 4300 V6 MFI*
*Micro Fuel Injection
Tire Pressures – See Loading Your Vehicle on page 4-30 .
Wheel Nut Torque
Tire Pressure
5-102
Engine Specifications
RPO
LU3
Application
Transmission Spark Plug Gap
0.060 inches
M30
(1.52 mm)
English
140 lb ft
See certificate and tire insert label on rear of the
Firing Order
1–6–5–4–3–2
Capacities
Metric
190 N m
driver's side door.