How to Do Your Own Chevy RV Maintenance – Oil Changes

 How to Do Your Own Chevy RV Maintenance – Oil Changes

It’s just a motor. It won’t bite you.

Roadtrek Oil Change
It's just a motor. It won't bite you.

(NOTE: This is a post originally filed here by Campskunk, a fulltime Class B RVer who, at the time, drove a Roadtrek campervan on the Chevy chassis. Since that was such a popular chassis for RVs and many are now looking for used ones, we thought an update to this post would be helpful for some. M.W.)

OK, I admit it, I'm cheap.

Ever since I traded my mechanic's toolbox for more genteel methods of making a living, it has always rubbed me the wrong way to pay for labor on my vehicles. I mean, $80 to $100 an hour for something I can do?

Working on cars day in and day out was a grind, but anything can be fun if you do it infrequently enough.

Ever since I got my Roadtrek in early 2007, I have done all the mechanical work on it. Here's what I do, and how you too can maintain your own Chevrolet Express van.

Back in the old days when I was young and the earth was still cooling, maintenance required specialized tools – a dwell meter, a timing light, CO meters, stuff like that – and the skills to use them.

Today, thanks to modern advances in automotive technology, all the ignition and mixture control is electronic. It's all flywheel sensors and engine control modules. And paradoxically, the more complicated the modern vehicles are, the simpler the maintenance procedures and the fewer the specialized tools. We're talking wrenches and screwdrivers here. 

It's really easy once you know what to do!

How to Do Your Own Chevy Oil Change

Let's start with the easy stuff – oil changes, or in GM bureaucratese, Maintenance I.

What You Need

All you need is:

  • new oil
  • a new filter
  • a drain pan
  • a 9/16 inch socket
  • ratchet (or even a wrench)
  • possibly a jack, stand or supporting ramp*
  • a willingness to get a little dirty.

*I do my Roadtrek oil change sitting on the ground. Yours may be too low (or you may be too high) to slide underneath it when it's not jacked up.

The number one safety problem for amateur mechanics is securely supporting vehicles. So, make sure you have the proper jacks, jack stands, or ramps before you get started.

Never, ever put yourself underneath a vehicle that's not securely supported!

What's What

This looks fairly clean because I just changed my oil a few hundred miles ago. I use AC-Delco filters just to give it that dealership look ;-)
This looks fairly clean because I just changed my oil a few hundred miles ago. I use AC-Delco filters just to give it that dealership look 😉

Here's what the oil change stuff looks like. This is under the rear of the engine, from the driver's side. The front of the car is to the left. 

The blue thing is the oil filter. The squarish cast aluminum thing behind it is the oil pan. The 9/16 head hex bolt on the center of the right (rear) edge of the oil pan is the drain plug.

How to Remove the Old Filter

Put your drain pan down directly underneath the oil filter, and unscrew it. It should come loose by hand if your hands are as strong as the guy who put it on last. Or, use a big pair of Channel-Lock pliers to grasp the body and loosen it.

Oil will come out, but not much. Drain the oil out of the old filter, and throw it away. 

How to Drain the Oil

Place the drain pan behind the drain plug. The oil will come out the side of the oil pan and shoot backward, which is why you need the pan behind the plug.

Then take your 9/16 wrench and unscrew the oil plug. You'll get about five quarts out.

Let it drip, and resist the temptation to bump the engine over to empty out the oil pump. It's not worth the risk. Tolerances on bearings today are so tight that the fewer revs your engine makes with zero oil pressure the better.

How to Install the New Oil Filter

Open one of your new oil containers, dip your index finger in the new oil, and lightly coat the rubber seal on the new oil filter. Wipe the surface it mates to on the engine block clean.

Then, install the oil filter and tighten by hand. It won't leak, and all you do by overtightening is bend the sheet metal it's made of and create a bad seal. One quarter turn past contact will seat it.  

How to Put in New Oil

Put the oil plug back in. Tighten to about 25-30 foot-pounds (you're cranking on aluminum threads, remember) and wipe all the oil drips off.

Pour the new oil in (6 quarts of 5W-30 for my 2003 6.0 liter motor) and start the engine, looking for oil pressure on the gauge. Once you get it, turn it off, let it sit for a minute.

After a minute, pull the dipstick out.  Wipe it off with a clean rag, then with your fingers to get the rag lint off.

Insert the dipstick into the dipstick hole, and pull it back out.  There are a series of holes in the dipstick in the crosshatched area between the full and the one-quart low mark – you should see oil in all these holes. New oil is hard to see on the dipstick, but in the right light you'll see the line where it's on the stick.

Now crawl underneath and check for leaks after running the engine for a minute or two.

How to Do Your Own Chevy RV Maintenance - Oil Changes 1
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What Oil Should You Use?

It's a matter of personal preference.

I spend much time and effort finding a particular type of oil for when I do my Roadtrek oil change. I use Castrol Edge with Titanium. But I freely admit most of the reason I do so is superstition. At almost $8 a quart, it's pretty expensive superstition, but I'm happy with Castrol. I have been using it for 40 years, with good results.

There are folks who are just as happy with their brand. If you want to argue about oil, go over to the Bob is the Oil Guy website and have at it.

How to Reset the Oil Change Indicator

Here's my little yellow oil can with a wrench next to it that blinks at you when you reset the oil change computer.
Here's my little yellow oil can with a wrench next to it that blinks at you when you reset the oil change computer.

The only thing left to do is reset the oil change indicator.

To do this, move your floor mat out of the way so the gas pedal can go all the way down to the floor.

Turn the ignition on (just so all the dash indicator lights come on; don't start the car). Stomp on the gas pedal all the way to the floor three times within five seconds.

When I do my Roadtrek oil change, the oil symbol is a yellow oil can and will blink and go out.  Newer ones have fancy displays of remaining oil life.

Resetting the light means it now knows you have new oil, and will remind you at the proper time to change it. 

We used to change the oil every 3000 miles, but with the new oils and engines, that's a waste.  I am trying mightily to adjust to these newfangled ways and went 5000 miles last time (almost) before breaking into a cold sweat and rushing out to buy oil, but it nearly killed me.

Old habits die hard.  I have never actually seen the oil change light come on – it would probably give me a heart attack.

How to Dispose of the Old Oil

Put the old oil into the containers the new oil came in, and take it back to where you bought it. They will recycle it for you.

A Little Elbow Grease Saves Money!

I would rather pay for fancy synthetic oil and do it myself for cheaper than Jiffy Lube ever could with bargain-basement oil.

I don't like trusting someone else to work on my car, but that's just me.  It may not be worth your time, or you may not want to get dirty. 

For $80 an hour, I can get dirty.

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5 Comments

  • Save a bundle indeed,are theyre any greasfittings? Some folks still changing every 3000 m,follow the gm book and all is well.

  • yes, Ronald, there are grease fittings – 11 of them on my 2003. here’s the blog post i did about chassis lube, showing where they are: https://rvlifestyle.com/do-your-own-chevy-maintenance-chassis-lube/ i’m following a modified version of the gm manual – i let it go about 5000 miles before my oil change compulsion becomes irresistible. change is hard for us old fossils.

  • Campskunk,
    Did you know that on the Sprinter you dont have to get under coach? The oil filter is on top of the engine and if you vacuum the oil out thru the dipstick you can wear a white shirt!!! The sad part is that it takes 13 quarts of expensive synthetic oil.
    Harry

  • Excellent article RT Campskunk

  • Thanks for the great write-up. I have a 34ft Fleetwood Bounder that my wife and I take to California every year, and I am thinking of tackling my own oil change this year. I appreciated your tips about resetting the oil change indicator.

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