Car using oil - Pontiac G6 Forum
 
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post #1 of 11 (permalink) Old 11-05-2011, 08:54 PM Thread Starter
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Car using oil

Todayi happen to check my oil and the stick had nothing on it. I have no visible leaking and its an O7 with 55k miles. does anybody have any ideas. i wont sleep til i figure something out.

P.s....yes i put oil in the last time i changed it!
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post #2 of 11 (permalink) Old 11-05-2011, 10:26 PM
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when i first got my 2006 G6 i noticed it was doing this as well i did a oil change and used Maxlife Full Syn oil and still was burring a quart to a quart and a half, i then switched to Syn Power Full Syn and have not burned a drop of oil in between changes...i would try that seems my car also run better with this oil as well...
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post #3 of 11 (permalink) Old 11-06-2011, 07:19 AM
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Your car is going to use a certain amount of oil during "normal operations". That oil is used to lube the cylinder walls (as well as everything else) and as the piston moves up and down, small amounts of oil may get past the ring and burned off. Not enough to cause smoke out of the exhaust, but over the course of 3000 miles, you may see half a quart loss. There can also be oil "blow by" in the PCV system, I had an oil catch can on my GTO and it caught a fair bit of oil from the vacuum. Hell, GM said that an entire quart loss of oil was "normal" on my GTO every 3000 miles.... So if you're only a half quart low at an oil change, I wouldn't worry. If its a quart of more, you might have a bad piston ring or a leak that isn't enough to make the drip to the ground.

Left a 421RWHP 2004 GTO, but honestly loving the G6 GT coupe!

Past Pontiacs
87' white Firebird(sold)
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03' orange Grand Am SC/T(totaled)
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post #4 of 11 (permalink) Old 11-06-2011, 10:30 AM Thread Starter
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i do recall going from 5w-30 syn blend to 5w-20 full syn my last oil change. do u think that may have something to do with it??
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post #5 of 11 (permalink) Old 11-06-2011, 02:17 PM
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Quote:
Originally Posted by la negra View Post
Todayi happen to check my oil and the stick had nothing on it. I have no visible leaking and its an O7 with 55k miles. does anybody have any ideas. i wont sleep til i figure something out.

P.s....yes i put oil in the last time i changed it!
Which engine?



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post #6 of 11 (permalink) Old 11-07-2011, 07:33 PM Thread Starter
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its got a 3.5 v6. my manual says it only takes 4 quarts which is weird to me, but can anyone verify that
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post #7 of 11 (permalink) Old 11-07-2011, 08:46 PM
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4 quarts is right.

2006 Pontiac G6 GT

Appearance Mods: AIT front bumper, Black Eagle Eye Halo Projectors with DDM Tuning 5000k HIDs 35w,
GT door decals, painted interior trim, red calipers, de-chromed window trim
Performance Mods: WAMS tune, CRABS, aftermarket sound system

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post #8 of 11 (permalink) Old 11-08-2011, 12:56 AM
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its got a 3.5 v6
IIRC, the 3.5L has somewhat of a history of burning oil. But you would see blue smoke from the exhaust if it was.




Last edited by greenman; 11-08-2011 at 02:42 AM.
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post #9 of 11 (permalink) Old 11-08-2011, 07:59 AM
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Quote:
Originally Posted by greenman View Post
IIRC, the 3.5L has somewhat of a history of burning oil. But you would see blue smoke from the exhaust if it was.
I hate to say that I disagree. I've been following the G6OC and G6P forums for a few years and this is one of the few times I've seen someone report this type of problem.

2006 Pontiac G6 GT

Appearance Mods: AIT front bumper, Black Eagle Eye Halo Projectors with DDM Tuning 5000k HIDs 35w,
GT door decals, painted interior trim, red calipers, de-chromed window trim
Performance Mods: WAMS tune, CRABS, aftermarket sound system

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post #10 of 11 (permalink) Old 11-08-2011, 10:08 AM
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I put 40K on a 3.5 and never burned a drop, running 5K between changes.
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post #11 of 11 (permalink) Old 11-08-2011, 01:03 PM
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I hate to say that I disagree. I've been following the G6OC and G6P forums for a few years and this is one of the few times I've seen someone report this type of problem.
I stand corrected. I'm not sure why I had that in the back of my mind for the LZ4. Possibly a brain fart.




Last edited by greenman; 11-08-2011 at 02:22 PM.
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