Question about 2001 Cadillac Sts

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Have an oil change every 3000 miles by about 2000 miles it is allready a quart to 2 low and there is no visable oil leak

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What you describe is normal for the Northstar engine, they do tend to burn oil.
It sounds a lot but by contrast, consider that BMW recommends checking the oil level every time you fill up at the gas station on some of their models (M3,M5 etc).

Posted on Sep 14, 2010

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My 1997 cadillac deville, northstar w/85, regular oil changes, burns almost 2 quarts of oil every change. It is not leaking.


If your car is losing oil, and if there is no evidence of oil leaking, there is no question that it is either losing it through piston rings or through the head (head gasket or valve guides).
Best thing to do is use a HEAVIER WEIGHT oil than specified for the vehicle when new, regularly monitor your oil level and be sure it never falls below one quart low, and consider having the engine overhauled when you start noticing a performance deficit or hear mechanical noise (such as rod knock) from the engine.

Apr 18, 2014 | 2003 Cadillac Deville

1 Answer

Burning Oil


we check oil every other fuel fill up. on old cars, every fill up
did you run car 10,000 miles to a oil change? unstated.
1qt/3000 miles is perfectly OK.
so 10000 mles is 3.3 quarts burned and off the top of the dip stick
if you drive fast, it burns more, got a heavy foot, or load in back>?
if you had done it right, you'd have already learned YOUR engines
consumption rates, and learned to check when IT , needs checking
we do this on all engines. all machines.
all engines burn oil, the exception , a church car, new, and never driven, far, or fast or for 10000 miles to an oil change.

your mech, was right, he was thinking , you dont check oil?

Jan 28, 2014 | Jeep Cars & Trucks

1 Answer

Bought certified BMX 335i convertible and after only 3000 miles of driving the low oil light is on. Is this normal oil consumption or is there a problem?


Though I am not familiar with the 2007 model, on the e46s, I know that the low oil light comes on when you are down only about 1/2 quart. Does your model have a dip stick?
A half quart in 3000 miles is not cause for concern. Most of them burn a bit less than that, at least during the first 200k miles, but some burn more. It depends to some extent what kind of oil you are using. It will burn more Mobile1 than it will Castrol Syntec, for example.
I have an '04 330 that uses about a half quart in 7k miles between oil changes, and an '04 325 that goes through a quart every thousand miles. I am only a little concerned about the 325. I would not be at all concerned about a half quart in 3k miles.

Apr 29, 2011 | 2007 BMW 335i Coupe

1 Answer

It is normal to use over a quart of oil before oil change


My 1993 voyager is like that. It may burn some , it definitely leaks some , and it could be just sending some through the PCV valve. Oil leaks and burning oil causes pollution . If you can fix it with a new seal or a valve cover gasket it is easier than constantly checking your oil. Temperature, trailering, speed, outdoor temperature, and engine RPM all can be factors if you are losing oil. If your engine is a quart down, the engine oil consumption rate doubles or triples. In other words the lower the oil level the faster it disappears. High mile cars will drive for years as long as you add oil when it is needed (keep the oil level between the marks). Fix any obvious leaks. Then determine your oil change interval (3000 miles, 4000 miles, 5000 miles). I change between 4000 and 5000 miles. If i am a quart low at 3500 I add a quart. If I am a quart low at 4500 miles I just change the oil in the car. A good practice is to carry a quart of oil in your vehicle just in case you need it. It is far cheaper to add a quart when needed than to go to the dealer once to maybe fix a problem that they may not be able to find or fix. Older engines (even some newer ones) just use oil , especially in hotter climates. Fix the obvious and carry a quart.

Jan 14, 2011 | 2007 Dodge Grand Caravan SXT Minivan

1 Answer

2007 GMC Yukon using a quart of Oil every 2000 - 3000 miles


Sounds funny, I would take it to an indepened repair shop and have them check it out, we have many customer's with Yukon and have not heard of that, I have a GMC with over 315,000 miles and between oil changes, maybe a qts low, have it check else where.

Jul 08, 2010 | 2007 GMC Yukon

1 Answer

Low on engine oil


Well, if there are no leaks, then it has to be piston rings or valve seals. If it's only burning a quart every 1500 miles, you would barely see any smoke, and by the standards of 20 or 30 years ago, that was normal.

Jul 30, 2009 | 2005 Chevrolet Silverado 1500HD

1 Answer

Toyota tundera v6 ran for fifty miles 2 quarts low on engine oil! dave


Probably didn't hurt it, my 2002 was ran for 2000 miles 1 1/2 quarts low on oil due to dummies putting only 5 quarts of oil back in it after changing the oil. It takes 6 1/2 quarts. It didn't hurt it at all.

Jun 15, 2009 | 2006 Toyota Tundra

1 Answer

Low to no oil in 2002 Impala. No even 3000 miles.


If you are close to 3000 miles, change oil. Low oil will overheat and change chemically. While under there, take a look around and see where or if oil is leaking anywhere (should not be hard to find) After changing, run and check again while running. Providing you aren't getting a lot of smoke out the back, (burning it) likely you will find a leak, then fix it!
good luck

Mar 21, 2009 | 2002 Chevrolet Impala

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