Long-Term Road Tests

Daily updates on our fleet of cars and trucks

2008 Buick Enclave CX: The Engine Cover and Oil Cap

EnclaveEngineBlog.jpg

"I wouldn't take it down if I were you. That's a load-bearing poster." - Bart to Rod (or Todd)

Like the Krusty the Clown poster holding up the walls of the Flanderseses poorly rebuild home, the oil-filler cap has more responsibility in the Enclave's engine bay than a filler-tube cap should probably have.

See, in order to remove the engine cover (the thing that lets people pretend engines are neat, tidy, clean and sanitary; not smelly blocks of metal bursting with tangles of wires and, literally, full of devastating explosions) you have to unscrew the oil cap. The cover is sitting atop a few posts that are fairly secure, but the cap is the only thing that screws, latches, or clamps it in place. Not a big deal you say? It's a clever way to access the tube without removing the cover, you say? Well, yes, that's correct. Also though, with the cap located at the bottom of a shallow well, each time you open it small bits of sand and dust fall into the tube. I refuse to Hoover my engine before checking the oil. I don't know how much sand the Enclave can tolerate in its oil, but if it's more than none this is a pretty poor design element.

If it were my Enclave the first piece to go in the trash would be that silly cover. But then I'd have to look at this:

enclaveengineblog2.jpg

Mike Magrath, Vehicle Testing Assistant @ 21,000 miles

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33 Comments

mohaji says:

11:24 AM, 07/10/08

That IS pretty ugly underneath...

tmanz says:

12:02 PM, 07/10/08

so somewhere under all of that there is an engine?

daddiod says:

12:10 PM, 07/10/08

Oh man, that IS ugly!! Put that cover back on, PLEASE!!!

As they say, beauty is only skin deep!!!

firstwagon says:

12:10 PM, 07/10/08

Like I've said before, engine covers are just lazy engineering. It serves no purpose other then to cover up sloppy work.

tackepj says:

12:10 PM, 07/10/08

Transverse-mounted V6 engines were never very easy on the eyes. While I'm not a fan of engine covers in general, this one covers up a pretty ugly engine.

I always thought our old L300 V6 engine was good looking and was happy it was coverless:

http://www.saturnfans.com/photos/showphoto.php/photo/6104

And, of course, the original Taurus SHO had a beautiful transverse V6:

http://www.danvm.com/dan/car/images/shov6.jpg

lingohocken says:

12:17 PM, 07/10/08

Perhaps, say, a thin felt pad resting under the oil cap would keep dirt and sand from falling into the tube?

Too, might removing the engine cover impact air flow, perhaps negatively?

daddiod says:

12:20 PM, 07/10/08

You want to see a beautiful V6 transverse engine? Have a look at Alfa Romeo's from the earlu 90ies:

http://img.photobucket.com/albums/v341/joshpettry/Car/Europe/Italian/Alfa_Romeo/a164moto.jpg

greenpony says:

12:27 PM, 07/10/08

It looks like removing the cover might make it a little easier to reach the oil dipstick.

jdub53084 says:

12:34 PM, 07/10/08

Most engine covers do more than cover up wire harnesses and other "sloppy" work. They are used for NVH and to protect the stuff underneath from ambient underhood temps. Why not wash the engine? If its dirty clean it, techs like clean engines and most dealers in Michigan wash the car and clean the engine bay before the car goes to a technician.

stingray454 says:

12:46 PM, 07/10/08

Anytime I've washed the engine bay with engine cleaner and a garden hose, it ended badly - some electronic sensor or part that doesn't like getting wet would misbehave and cause all sorts of problems. If it doesn't get clean from a wipe down, then the engine will stay dirty on my vehicles.

hondacura4 says:

04:19 PM, 07/10/08

Nice looking transversly mounted Honda V6:

http://us1.webpublications.com.au/static/images/articles/i29/2917_13lo.jpg

"Anytime I've washed the engine bay with engine cleaner and a garden hose, it ended badly - some electronic sensor or part that doesn't like getting wet would misbehave and cause all sorts of problems. If it doesn't get clean from a wipe down, then the engine will stay dirty on my vehicles."

I usually wash the engine bays of my cars about twice a year. I use a good engine cleaner and a pressure washer with no problems so far.

cruiserhead1 says:

04:41 PM, 07/10/08

all cars have an engine cover. it's called a HOOD.

The only time you need to open the hood is to actually check, maintain, etc.
The plastic covers just waste valuable time for the DIY'er and the underhood airflow would probably be better without all that plastic blocking everything. those thin molded panels are going to do nill for NVH. I could argue they also trap heat

They are 100% cosmetic, non-functional junk.

jr1m90 says:

07:06 PM, 07/10/08

Uhh, I don't know about that Cruiserhead1...I always thought the cover and all of the underhood plastic was there to actually duct cool air through the engine bay and out again.

Then again, I've never had an engine cover that needed to be taken off to check the dipstick, so I'd find this design very annoying.

Also: That Alfa engine looks sick.

the_big_al says:

08:05 PM, 07/10/08

On or off who really cares? Okay I guess I shouldn't say that because I would care. But really it's under the hood and unless you drive around with your hood off, then it really wouldn't be that big of a deal what the engine looked like...

cx7lover says:

01:36 AM, 07/11/08

big_al, yes!

BUT, the cover does block out noise, you'd have to be a _____ to not know that..

jerrywimer says:

05:53 AM, 07/11/08

I'm fairly sure that the cover on this engine actually *does* address heat and NVH issues- if you look even a little at the uncovered engine, you can see the insulation around what appears to be the intake manifold, which would not only address temperature issues a bit, but also noise (intake noise can be EXTREME, trust me), and the cover would further insulate the airflow. Anyone arguing that this is useless or impedes the cooling / prevention of heating must not read enthusiast sites elsewhere, where folks go to great lengths to get CAIs installed, insulate the plumbing from extra heat in the engine compartment, etc., all in the name of more power and efficiency (usually ending up with much louder intake noise, btw- which the cover and insulation reduce a bit).

jerrywimer says:

05:55 AM, 07/11/08

Ah, forgot (dang, as others have complained, where's EDIT!). The complaint about dust and grit in the opening is a bit lazy sounding to me. When checking / adding oil to my vehicles, I have a rag or towels handy, and wipe down the surrounding area to prevent just such occurrences, as well as allowing me to clean the dipstick before it gets reinserted. So the cover being above the opening doesn't cause any heartache for that either.

tra2883 says:

06:28 AM, 07/11/08

Love the Simpsons reference! Keep up the good work!

ptmeyer says:

06:43 AM, 07/11/08

Looks much better without that stupid hunk of plastic on there. When did this silly engine cover fad begin?

cx7lover says:

07:05 AM, 07/11/08

^Are you on crack?

Mike Magrath says:

10:35 AM, 07/11/08

I agree with ptmeyer, I want to see how things actually look, not the way PR folks want them to look.
-mike

cx7lover says:

11:37 AM, 07/11/08

As far as looks go, it doesn't matter, the cover isn't blocking anything by being on, whats the problem? The engine isn't some work of art, it's a V6 that is covered with sound damping, with wiring loom around, there isn't much to look at.

milt721 says:

12:27 PM, 07/11/08

^^ that's exactly the problem. It SHOULD be something to look at. The engine SHOULD look like a jewel in a jewel case. What we have here is an engine that looks like it was designed by the people at Playskool.

cx7lover says:

04:02 PM, 07/11/08

WHY?? This is an Enclave crossover, not a Corvette.

rasldasl says:

07:10 PM, 07/11/08

1. I like engine covers. Ford could learn a lot from GM about making the engine area look neat and tidy.
2. Very few average drivers these days ever pop the hood, fewer check the oil, and fewer still actually ever have need to add oil between changes. This may be an issue when the car gets older, or on a higher-performance car that needs oli between changes but not on a new run-of-the-mill family car.

mustang5507 says:

01:58 PM, 07/12/08

A 2004 3.6L CTS I looked at had a MUCH neater and cleaner engine bay than that. I could actually see where the headers, water pump, and belts were. That's a MESS.

tinyelvis says:

05:17 PM, 07/12/08

I would suggest the majority of car buyers don't have a clue what they are looking at when they look under the hood. Let's face it: the average Buick driver is going to know even less.

As a CXL owner I like seeing the nice tidy engine bay (all three times I've popped it open in 18k and 10 months of ownership).

The engine oil cap and washer fluid reservoir are the two most important maintenance items I need to access, and they are easy to find. I know this as a fact because I hurriedly poured my washer fluid in the oil filler one day, then couldn't understand why my low washer fluid warning kept blathering at me.

I sheepishly had to have the dealer bail me out.

Had the engine cover been removed, who knows what I may have filled with washer fluid!

firstwagon says:

09:00 PM, 07/12/08

"I would suggest the majority of car buyers don't have a clue what they are looking at when they look under the hood. "

So you think it's OK for car makers to settle for catering to the lowest common denominator?

Not a good way to be the best when your products are designed for those who wouldn't know the difference.

Not everyone is clueless.

cx7lover says:

06:29 AM, 07/13/08

Yes it is, have you met anyone that has bought a Camry? Anyway, a pretty engine shows off the engineers ability to waste time and resources on something that doesn't help the car be more fuel efficient, perform better, or run on a low octane.- A pretty engine bay on anything other than an exotic is a big waste.

tinyelvis says:

06:38 AM, 07/13/08

@ firstwagon

Had you read my comment as printed it does not state everyone is clueless. My comment hypothesizes about the "majority" of car buyers: a quick revisit of elementary math reminds us a majority is a subset of a group that is more than half of the entire group.

Perhaps I should have specified "new car buyers."

How is covering the engine with an (albeit subjectively) attractive casing catering to a lowest common denominator? I have purchased four new vehicles since 1998. The arrangement or appearance of the engine bay never factored into my decision. Are my purchase requirements of quality, comfort, safety and performance flawed because I did not take the engine bay aesthetics into account?

My neighbor across the street bought a spanking new Rolls Royce that is worth as much as my house. When he shows it to people he rarely is asked to pop the hood. I would not label him as a lowest common denominator, even though he could care less what the engine looks like. His passion for cars, like many of us, emanates from behind the wheel.

chevrun says:

12:35 PM, 08/31/08

I just bought a new 2008 Enclave and I hate to sound stupid...But I can't find the Battery.

electnixon says:

07:46 AM, 09/15/08

The battery is under the floor behind the passenger seat. There are access points under the hood for jump starting.

Has anyone noticed that that rear HVAC lines are uninsulated where they run under the exterior of the vehicle on the passenger side, leaving them exposed to dirt & damage, not to mention loosing heat/cold? I'm thinking about insulating them and covering with a PVC shield. Any thoughts?

chevrun says:

09:35 AM, 01/ 5/09

My near new Buick Enclave sat unused for seven days and when I went out to start it was dead as door nail...Buick told me that a car with this much wizardrey needs to be driven every 3 or 4 days to keep the battery up. My question is ...If was to buy a Tricle Charger that fit into the Cig. Lighter socket would it harm any of the electroncis in the car.

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