6 qts. according to the owners manual
5w30
A 2003 Chevy Avalanche typically requires about 6 quarts of engine oil for an oil change when using a standard oil filter. If you're using a larger oil filter, it may need slightly more, around 6.5 quarts. Always check the owner's manual for the most accurate specifications and recommendations for your specific engine type.
I would say if you keep the truck serviced regularly, change oil and all filters etc, you can expect at least 100000 miles before any major problems
6
To change the oil pump on a 2003 Chevy Avalanche, start by disconnecting the negative battery cable and draining the engine oil. Remove the oil pan by unbolting it and carefully prying it loose. Next, detach the old oil pump from the engine block, clean the mounting surface, and install the new oil pump with a new gasket. Finally, reattach the oil pan, refill the engine with oil, and reconnect the battery.
6 quarts.
Counter clockwise
5W30 weight.
PF46 if 5.3.
The 2004 Chevy Avalanche with a 5.3L engine typically uses an oil filter size of PF46 or equivalent. An alternative commonly used is the ACDelco PF48, which provides a larger filtering capacity. Always verify compatibility based on your specific vehicle's requirements and oil change practices.
The Chevrolet Avalanche typically requires about 6 quarts of oil when performing an oil change, depending on the engine type and model year. It's important to check the owner's manual for the specific oil capacity for your particular Avalanche model, as there may be variations. Additionally, always ensure you're using the recommended oil type for optimal performance.