2004 GMC Envoy Engine Oil Capacity

Your 2004 GMC Envoy engine oil capacity is seven quarts. Everything else you need to know about changing your oil is here in this helpful Jerry guide.
Written by John Davis
Reviewed by Melanie Reiff
The 2004 GMC Envoy offers a lot of quality at a modest price. And its powerful engine and cool tech options make driving enjoyable for work or pleasure. But to keep your SUV in its top form, you need to know its engine oil capacity—seven quarts.
It’s easy to become overwhelmed by the expenses attached to car ownership. With
basic routine maintenance
costs, fuel costs, and insurance premiums, it seems endless. You can cut down on your maintenance costs by changing your oil in your driveway—just remember to consult your owner’s manual for the oil capacity first.
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2004 GMC Envoy engine oil capacity

This guide focuses on the 4.2-liter six-cylinder engine GMC built into the base model Envoy, which holds seven quarts or about 6.6 liters of motor oil.
Remember not to confuse your oil capacity—the amount of oil your engine can hold to use as a lubricant—with
engine displacement
, which is the 4.2-liter volume of space that your engine’s cylinders occupy. 
Engine displacement and oil capacity are two unique numbers and are never interchangeable.

What kind of oil does a 2004 GMC Envoy need?

Your engine oil capacity isn’t all you need to know. Before you can change the oil, you also need to know what type of oil to buy. Yep, there are various types of motor oils, and your Envoy requires a specific kind.
GMC recommends SAE 5W-30; you can’t go wrong buying the automaker’s recommendation. 
If those letters and numbers look confusing, don’t worry. It’s a simple code that can help you better understand the oil. Let’s explain.
The “SAE” is short for the Society of Automotive Engineers. They’re the group that writes these motor oil codes. 
The numbers in the code explain how thick or viscous the oil is at two extreme temperature ranges. The “5” represents how thick the oil is when it’s cold—this is easy to remember because it comes before the “W,” which means winter—and the “30” explains how thick the oil is when it’s hot.
Thinner oil is represented by smaller numbers. And the thinner the oil is, the more efficiently it can move through your engine.
Are you still feeling unsure about what oil to buy? Consider these three options:

How often to change the oil in a 2004 GMC Envoy

GMC recommends changing the oil in your 2004 Envoy every 5,000 miles. But if you’re an infrequent driver, you might be better off remembering to change the oil every six months.
Because a lot of time will likely pass between oil changes, it’s important to check the oil level and condition regularly. We encourage you to check your oil every other time you fill the gas tank, but no matter what, you should check it at least once a month.
When you open the hood to check your oil, look for these signs that it needs to be changed:
  • Oil with a dark brown, black, or muddy color (clean oil looks like amber-tinted honey and is somewhat transparent)
  • Grimy, gritty, or sandy-textured oil
  • Unpleasant smells coming from the engine, such as oil, burning, or smoke
  • Suddenly poor engine performance
  • New and unusual sounds from the engine

How to change your oil and oil filter

Now that you know your Envoy’s oil type and capacity, you’re ready to start changing it. You’ll need these tools:
  • A jack and jack stands or ramps to raise the vehicle
  • A ratchet wrench with a 15-millimeter socket
  • An oil filter wrench
  • A torque wrench
  • A funnel
  • A drain pan
  • A clean towel or rag
Before draining the oil, start your car and let the engine run for around five minutes. This causes the oil to warm up enough to drain quickly. Once the engine is warm, turn it off, pop the hood, and start on the six steps below.
Step 1: Take off the oil fill cap and pull the dipstick.
Step 2: Go under the car and take out the oil drain plug. Use the drain pan to contain the old oil.
Step 3: Take off the old oil filter as the oil drains.
Step 4: Apply a thin film of oil to the new filter’s gasket and screw it into its housing. Tighten the new filter only until it is snug.
Step 5: Replace the drain plug and tighten it to 19 lb-ft.
Step 6: Use the funnel to add clean oil to the engine before replacing the fill cap.
After these steps are complete, start the engine and allow it to run for 30 seconds. Then, check the oil level and add a bit more if necessary. Wrap things up by ensuring that the fill cap and dipstick are secure.
Don’t forget to recycle your old oil. You can perform this step by pouring it into the new oil container and returning it to the auto parts store for safe disposal.

Don’t forget regular insurance policy maintenance

Congratulations! You took a big step toward reducing your car care expenses by changing your own oil. But if you’re hungry for even more savings, you might be ready to re-evaluate your car insurance plan. 
Don’t worry,
Jerry
can help with this, too. Just download the app and fill in a few key pieces of information, like your phone number, accident history, and vehicle identification number. Then, Jerry will handle the rest.
You can then join the rest of Jerry’s satisfied users, who average more than $800 in annual savings when they switch providers.
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