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Discussion Starter · #1 ·
First I want to say I hope this is the right place for questions about maintenance. It doesn't appear any of the boards here are too maintenance specific. If I'm out of line please point me to the right area.

Last night I did my first oil change. It didn't go as smoothly as I'd hoped. But practice makes perfect.

The first issue was my 08 XB is too low to drive up on my ramps. Combine this with my brother having my jack stands and I was forced to use only two regular jacks and I wasn't about to crawl under there to scope it all out. Everything I learned was from peeking at an angle, reaching and feeling. I know this was a probably a poor choice but the car is up to 15,400 and I wanted to get the oil changed.

I have the 2" thick Scion manual and according to that, removing the underpanel is a snap. Remove 3 bolts and presto, you're at the filter. Well that's not how it worked for me.

There are two underpanels. A front one and the second one that should be removed or at least freed enough to get at the filter. The problem is the second panel that I wanted to remove (it's shown to be removed in the Scion Manual) is held in place by about 6 or so bolts and also a number of snaps that have sort of a barb to hold the snaps in place. One must pry out these snaps to remove them.

As far as I can tell these snaps might have a lifespan of about 3 to 5 removals depending on how lucky you are. They seem to undergo some significant trauma when removed and reinserted. The snaps I removed appeared to have been removed and reinserted by the dealer on the first two oil changes and are now on their last legs. And since this is the first time I've done this, I wasn't prepared to have any extra on hand. It also appeared my panel was missing one snap to begin with.

My question is, did I remove more than I was suppose to? Are the snaps not meant to be removed on an oil change? Is there some way I can get to that filter by removing only bolts and flexing the panel that covers the oil filter?

Is there someone here that can pass along a trick or two and maybe put me on an easier course to removing the underpanels. Everything ended up working out fine but it wasn't as easy as I suspected it would be.

I've learned that next time I'll need my either my jack stands or somehow modify my ramps. I imagine if I can drive my car up on a flat 2x8 before starting up the ramps, my ramps will work. As it is the car's bottom clearance was about 3/4" shy of clearing the ramp. The boost of 1-1/2" from climbing up on a 2x8 board should be sufficient. Which ever way I proceed I've learned that for at least a couple of oil changes I need to be able to get fully under the car to scope it all out.
 

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Discussion Starter · #3 ·
Thanks for the reply TJ. Although I'm a little leary of fiberglass ramps I'll check those out.

After some Internet searching it maybe seems I made a harder job out of my oil change than necessary.

http://blogs.edmunds.com/roadtests/2008/03/2008-scion-xb-diy-oil-change.html

This person suggests that only the three button clips (I called them snaps) need to be removed to get at the filter. The main trick I didn't know was how to deal with the button clips. This was explained later in the link I provided.

The trick with the button clips is this:

"They consist of a circle within a circle, and you only have to gently pry the inner circle (the button) out a quarter inch or so using a slender screwdriver with a skinny blade. Use your thumb and forefinger in a "paring knife" grip: gently pull the screwdriver blade toward your thumb with your curled index finger. The button does not typically need to come all the way out.

When pulled out in this way, the button no longer spreads apart the hidden arms of the outer circle that protrude through and behind the pieces being held together, shrinking their diameter so you can pull both parts out of the hole as one, by hand.

It takes seconds if you have the right sort of medium-length straight-blade screwdriver with a small tip. It helps if the person before you hasn't already messed them up, however. Properly used, these clips should stand up to multiple removals.

Putting them back in is cake: With the button pulled out, feed the arms through both pieces being held together until fully seated, then push the button in with your thumb."
 
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