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  #1  
Old 10-17-2008, 10:23 AM
Lilmizperky's Avatar
Lilmizperky Lilmizperky is offline
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2004 Chevy TrailBlazer LS
Dark Gray Metallic 4.2L I6
Join Date: Oct 2008
Location: Minneapolis, MN
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Burning Oil

Hey guys.... so I recently purchased a 2004 trailblazer LS. Recently my 02 sensor went out but while trying to discover what was causing my truck to die out I realized I had NO oil appearing on the dip stick!

I was only at 3,046 miles since my last oil change.... I know CHANGE IT BEFORE 3,000! but I really don't think 46 miles would cause the outcome of NO oil on the dipstick.

I park in the same spot at work every single day and there are NO oil spots anywhere on the ground so it doesn't appear to be leaking.

The truck itself has 50,000 miles on it, and runs fantastic. So I am completely confused. There is no buring oil smell as well as no smoke billowing! I've asked many mechanics what it could possibly be as well as the guys working at autozone, orielly's etc..... and apparently because I am a girl they don't think I know what signs to look for even though I tell them what I am not seeing before they speak.

I put an intake on my truck and a few ppl have told me thats likely the reason, but I do not believe it to be so.

So I am confused. I changed my oil myself, which was a huge hassel considering I am used to my old car which didnt involve the removel of skid plates and trying to dislocated my arm to change the filter. However, I did it.

I was surprised to know the trailblazer required 7 quarts of oil! Is that not enough? Seemed excessive but I am out of ideas!

Can ya'll help? I am losing my mind over this issue and I refuse to drive my truck until I change the oil and I refuse to change the oil until I get some ideas! Please Help Me
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  #2  
Old 10-17-2008, 11:21 AM
Super 88's Avatar
Super 88 Super 88 is offline
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2005 Chevy TrailBlazer LS EXT
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Quote:
Originally Posted by Lilmizperky View Post
Hey guys.... so I recently purchased a 2004 trailblazer LS. Recently my 02 sensor went out but while trying to discover what was causing my truck to die out I realized I had NO oil appearing on the dip stick!

I was only at 3,046 miles since my last oil change.... I know CHANGE IT BEFORE 3,000! but I really don't think 46 miles would cause the outcome of NO oil on the dipstick.

I park in the same spot at work every single day and there are NO oil spots anywhere on the ground so it doesn't appear to be leaking.

The truck itself has 50,000 miles on it, and runs fantastic. So I am completely confused. There is no buring oil smell as well as no smoke billowing! I've asked many mechanics what it could possibly be as well as the guys working at autozone, orielly's etc..... and apparently because I am a girl they don't think I know what signs to look for even though I tell them what I am not seeing before they speak.

I put an intake on my truck and a few ppl have told me thats likely the reason, but I do not believe it to be so.

So I am confused. I changed my oil myself, which was a huge hassel considering I am used to my old car which didnt involve the removel of skid plates and trying to dislocated my arm to change the filter. However, I did it.

I was surprised to know the trailblazer required 7 quarts of oil! Is that not enough? Seemed excessive but I am out of ideas!

Can ya'll help? I am losing my mind over this issue and I refuse to drive my truck until I change the oil and I refuse to change the oil until I get some ideas! Please Help Me
First of all, forget about the 3K mile oil changes. These vehicle have the Oil Life Monitor. We have discussed this a LOT around here. Under some driving conditions you can go as high as 12,000 miles between oil changes.
Many people don't "believe" in the OLM, so they pick there own number. 5K, 7.5K, etc. But for a clean burning engine with todays oils, 3K miles between oil changes is a complete waste of money. Especially in an engine that as you pointed out holds 7 quarts of oil.

Now for your oil problem. I recently discussed this on another thread. Due to the long oil pan on these engines, to get an accurate reading the vehicle MUST be perfectly level. My driveway has a VERY slight uphill slope. If I check the oil with the vehicle pointing uphill, it will barely register on the dipstick.
If I turn the vehicle around and park it the opposite direction and then check the oil - it will show about 1 quart overfilled! I usually check my oil at gas stations or parking lots.
I have tried this test with our other 3 vehicles which have V6 engines or a 4 cylinder - and it doesn't matter which direction they are pointed the reading is the same or VERY close to the same.

You said "I put an intake on my truck and a few ppl have told me thats likely the reason, but I do not believe it to be so." Are you saying a cold air intake? If so I agree with you - that's crazy. I've never heard of any reason why that would make your engine start to burn oil. Where do people come up with this stuff?

If you were burning oil, you would know it. Your exhaust would have blue smoke, and you would smell it. These engines do not normally use much oil. One member (Rbarrios) goes about 10K miles or so between oil changes and I don't think he adds any oil to his engine between oil changes. I do more around town driving - so my light usually comes on around 7 or 8K miles and I'm the same - never have to add any oil between changes.

Most of the people around here are very decent and helpful and will not talk down to you just because you are not a male! You came to the right place!
Good luck!
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  #3  
Old 10-17-2008, 11:21 AM
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Ray Dockrey Ray Dockrey is offline
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Are you sure you are just not seeing it on the dipstick? The dealer changed mine when I bought it a few months ago and i have a terrible time trying to see the oil on the dipstick. i usually have to give it a try two or three times before I can finally see it. I don't have a clue why they made the end of the dipstick yellow.
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  #4  
Old 10-17-2008, 11:26 AM
Super 88's Avatar
Super 88 Super 88 is offline
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Good point Ray, but on the later models they changed the dipstick. My 05 does not have the yellow one it is all silverish looking. Not sure what year they changed. I remember a couple of years back posting a picture of my dipstick for a member and he said his looked different and I think he had an 02.

But yeah new oil can be very hard to see - especially for older guys like me.


BTW: Here is a link to the Oil Life Monitor vs. 3k mile oil change thread:

http://forums.trailvoy.com/showthread.php?t=32795

Be sure and read it all. The first few posts are very anti- OLM but with some surprising results at the end!

Here is a link to explain the Oil Life Monitor - or Oil Life System:

http://www.goodwrench.com/_res/pdf/OLS1.pdf
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  #5  
Old 10-17-2008, 12:57 PM
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rbarrios rbarrios is offline
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2003 Chevy TrailBlazer LS
Pewter Metallic 4.2L I6 2WD
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Yes. Ive been doing the 10K + oil changes. Never add oil to it.
I also measure the amount of oil that comes out.
My engine uses very little oil. on one change--- I removed about 6.75 quarts... after more than 10,000 miles.
on another oil change I removed about 6 quarts.... also after about 10,700 miles.
Now- things to remember. it is 7 quarts WITH a filter change.
If youre dipstick is proving to be faulty----
this is what I would do....
drain the oil.... save it.
Change filter- and refill with 7 quarts.
Note where the oil mark is on the dipstick.. (if it shows). If it doesnt-- I would consider comparing with another TB owner.. could be that it was swapped or something...
You can now take the used oil and refill the containers and see how much oil you drained out.... (if you remove something like 6 or 7 then youre ok)
Drive your vehicle for several thousand miles...
next time you change oil--- measure the amount that comes out.
this will tell you how much youre losing....

But for now- I would not drive say 10,000 miles.. since we really dont know if youre really losing oil....
Wed hate to see you drive your engine on very little oil
if you can find another person to compare your dipstick with that would be ideal.....
Im wondering if a human DIPSTICK-- at a Spiffy lube place- swapped your dipsitck with another cars?
And dont forget to reset your oil life monitor...
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  #6  
Old 10-18-2008, 01:47 AM
rcam81 rcam81 is offline
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2007 Chevy TrailBlazer LS
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Welcome to the group!!!! I am on my second TB. I have gone by the OLM on both of them. The light usually comes on between 7K and 8K. Neither of my engines have used oil. Another thing that these engines like is synthetic oil. It helps with start up and seems to make the valve train quieter.
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  #7  
Old 10-18-2008, 02:32 AM
ScarabEpic22 ScarabEpic22 is offline
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Definitely use synethetic oil, I changed over at about 50K and have been running it ever since (just rolled 97,125 tonight) using 8-10K changes. Have to do it soon, probably Thanksgiving as Im at 11,5xx now but still running strong and the oil is dark but not black.

I put 7 qts in with the filter and drain at least 6.75 qts out, always. My TB has been a rock for 97K, hopefully Ill get another 50+K from it! And I tow a few times a year, never had a problem (knock on wood).
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  #8  
Old 10-18-2008, 05:20 AM
Macatowa Macatowa is offline
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2003 Chevy TrailBlazer LS
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Low Oil

If you were low on oil to the point of harming the engine you would get a warning light on the cluster, also you have a oil pressure gauge that would read low. Those two messages should warn you before trouble.
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  #9  
Old 10-18-2008, 06:49 AM
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kellz407 kellz407 is offline
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2003 GMC Envoy SLT
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Quote:
Originally Posted by Macatowa View Post
If you were low on oil to the point of harming the engine you would get a warning light on the cluster, also you have a oil pressure gauge that would read low. Those two messages should warn you before trouble.
Be careful about that, though. I have an 03 Voy SLT. I change my oil every 5-7k miles I am running a synthetic blend right now. My odometer reads 666091 miles. I changed my oil 5k miles ago and I now have knocking in my engine. I checked the oil no reading on the dipstick. So I have the voy towed to a GMC dealer and they diagnose it has having no oil and my engine is on the verge of locking up. I never received a "change engine oil light" or "service engine soon". The oil pressure gauge never moved. My warranty company sent out an inspector/adjustor to diagnose the vehicle and they say the same thing, no oil.

So I ask if there are any oil leaks, because I didn't see any, they say no. So I ask where did the oil go? They say they have to open the engine to see if there is anything going wrong internally. (There must be if there are no oil leaks found.) Maybe it could be the oil pump? I don't know. So I am faced with possibly rebuilding my engine, or getting another engine. Does anybody have any advice on this? Please help!!!!
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  #10  
Old 10-18-2008, 08:38 AM
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markarock markarock is offline
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2006 Chevy TrailBlazer LT
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My advice would be to get a junkyard engine. By far the cheapest solution. If you need it. Hopefully you won't.

If you do, hopefully you will get one with sensors that work. I guess it could be the DIC and not the sensors. Don't have enough experience or knowedge to suggest which is more likely the culprit.

Mark
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