The 2004Chevrolet Express with its base engine, the 4.3l V6 requireS4.5 quarts of 5w30 synthetic oil. The 5.3l V8 useS6 quarts of 5w30 synthetic oil. It is recommended to change Your oil every 7,500 miles or 1 year, whichever comes first. You can extend Your engine life, get better gas mileage, and have better performance if You change Your oil regularly. Synthetic oil is by far better for performance. It protects the engine due to lower levels of friction. Synthetic blend oils are a mixture of synthetic and conventional oil.
John A.
January 2, 2020
The 2004 Chevrolet Express 1500 with its base engine of the 4.3L V6 requires 4.5 quarts of 5W30 synthetic oil. The optional engine of the 2004 Express 1500 is the 5.3L V8 uses 6 quarts of 5W30 synthetic oil. The 2004 Chevrolet Express 2500 comes with the 4.3L V6 engine as the base motor. It needs 4.5 quarts of 5W30 synthetic oil. The 2004 Chevy Express 2500 comes with multiple optional engines that all require 6 quarts of 5W30 synthetic oil. The optional engines for the Express 2500 include: the 4.8L V8, the 5.3L V8, and two versions of the 6.0L V8 (engine code [U] 9 and [U] U). The 2004 Express 3500 comes with three engine options the 4.8L V8 and the two versions of the 6.0L V8 (engine code [U] 9 and [U] U). All three take 6 quarts of 5W30 synthetic oil.
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