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  #1  
Old 26th February 2011
WhiteSaab95 WhiteSaab95 is offline
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Default 9-7x oil change

What type of oil is needed for a 9-7x 5.3i. every saab tells me a different story. my service place has been using regular, and now i changed my service spot, and they say its synthetic...whats the real deal. can anyone help me out?
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  #2  
Old 27th February 2011
chiller chiller is offline
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I always just put Synth into mine... from day 1... but I do that for all my vehicles...
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  #3  
Old 2nd March 2011
1BAD97X 1BAD97X is offline
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Quote:
Originally Posted by chiller View Post
I always just put Synth into mine... from day 1... but I do that for all my vehicles...
Me too. Mobil 1 synthetic on ALL my cars.
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  #4  
Old 22nd April 2011
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I put synthetic in and it burns more in 3000 miles than regular oil. And I only have 65,000 miles. Don't notice obvious oil burning.
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  #5  
Old 22nd April 2011
saabmeatball saabmeatball is offline
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it is a known problem that the vortec 5.3 burns oil and that gm says 1qt per 2000 miles is normal.

i have read it has something to do with the cylinder deactivation.
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  #6  
Old 23rd April 2011
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Quote:
Originally Posted by saabmeatball View Post
it is a known problem that the vortec 5.3 burns oil and that gm says 1qt per 2000 miles is normal.

i have read it has something to do with the cylinder deactivation.
Yeesh! I should have done more research on this engine! Burning oil, unless abused or high mileage, should not be normal. Thanks GM!
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  #7  
Old 23rd April 2011
saabmeatball saabmeatball is offline
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Yeah, I didn't know until recently. I was wondering where 1 qt of oil was going, no drip, no leaks, no smoke. weird.

That is what I found. I orginally thought it was maybe the valvoline oil I was using but changed to Penz Plat, may move to a high mileage oil to see fi that helps.

if someone uses the olm that goes off at about 7500 miles, they could be down 2-3 qts.
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  #8  
Old 23rd April 2011
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Quote:
Originally Posted by saabmeatball View Post
Yeah, I didn't know until recently. I was wondering where 1 qt of oil was going, no drip, no leaks, no smoke. weird.

That is what I found. I orginally thought it was maybe the valvoline oil I was using but changed to Penz Plat, may move to a high mileage oil to see fi that helps.

if someone uses the olm that goes off at about 7500 miles, they could be down 2-3 qts.
Funny thing is, I did notice the very odd puff of blue smoke out the tail pipe on the highway when I had the full synthetic in. But it was so random, I couldn't make it happen. I started to get concerned about piston rings, leaky valves and clogged PCV. Regardless thats how I found to be low on oil before doing a change (to normal 5w-30).

This damn DOD is a decade behind my wife's Jeep Grand Cherokee 5.7 Hemi, which not only doesn't use any oil (@ 120,000 miles) but the deactivation is whisper quiet and doesn't rattle around like an old clunker whilst coasting.
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  #9  
Old 23rd April 2011
saabmeatball saabmeatball is offline
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I think I posted about smoke about a year ago, I saw it once or twice.

I have not seen it since switching to Pen Plat.

Not sure if this can be fixed? I am under CPO warranty still...
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  #10  
Old 24th April 2011
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Quote:
Originally Posted by saabmeatball View Post
I think I posted about smoke about a year ago, I saw it once or twice.

I have not seen it since switching to Pen Plat.

Not sure if this can be fixed? I am under CPO warranty still...
I have an extended warranty on my used purchase, but until its doing it consistently, I won't worry about it just yet. Just have to keep an eye on it.
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  #11  
Old 30th April 2011
saabmeatball saabmeatball is offline
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I found this:

UPDATE: TSB 10-6-01-008A
10-06-01-008a

#10-06-01-008A: Engine Oil Consumption on Aluminum Block Engines with Active Fuel Management (AFM) ( Install AFM Oil Deflector and Clean Carbon from Cylinder) - (Sep 28, 2010)


Subject: Engine Oil Consumption on Aluminum Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder)
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  #12  
Old 30th April 2011
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Quote:
Originally Posted by saabmeatball View Post
I found this:

UPDATE: TSB 10-6-01-008A
10-06-01-008a

#10-06-01-008A: Engine Oil Consumption on Aluminum Block Engines with Active Fuel Management (AFM) ( Install AFM Oil Deflector and Clean Carbon from Cylinder) - (Sep 28, 2010)


Subject: Engine Oil Consumption on Aluminum Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder)
Cool! So does that mean I can get it fixed for free?

Since I went to regular 5w-30 its been a lot less burning, but still!
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  #13  
Old 7th May 2011
saabmeatball saabmeatball is offline
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i guess you can try, let me know how it goes!

I kept Pen Plat in the truck this time around I will see how it goes.
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  #14  
Old 8th May 2011
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Glad I have a 2005 which does not have the deactivation. I have almost 90K on mine and it doesn't burn any.
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  #15  
Old 8th May 2011
mikeucr mikeucr is offline
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Quote:
Originally Posted by TC View Post
Glad I have a 2005 which does not have the deactivation. I have almost 90K on mine and it doesn't burn any.
Me neither. I change the oil every 5k miles and it might go through MAYBE 1/4 of a quart. Thats nothing.

Also, I run regular dino oil. I only run synthetic if the car calls for it. I am at 90k miles and the engine is running fine.
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  #16  
Old 8th May 2011
chiller chiller is offline
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Quote:
Originally Posted by TC View Post
Glad I have a 2005 which does not have the deactivation. I have almost 90K on mine and it doesn't burn any.

it doesn't ? I thought all years of 97x have DOD ?
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  #17  
Old 8th May 2011
saabmeatball saabmeatball is offline
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I am not sure if the 2005 could have the v8, but I could be wrong.

I will try dino next time, I had a similar problem with a Honda CR-V, syn would just leak though the oil pan gasket, regular dino, nothing.
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  #18  
Old 9th May 2011
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The 2005 V8 does not have deactivation, they added it in 2006
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  #19  
Old 9th May 2011
chiller chiller is offline
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Quote:
Originally Posted by TC View Post
The 2005 V8 does not have deactivation, they added it in 2006

according to here the 97x had the LH6 motor in it ... the older LH4 motors are in the pre 05's... or is it the 05's have the LH6 motor but just no DOD ?

http://en.wikipedia.org/wiki/GM_Vortec_engine
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  #20  
Old 10th May 2011
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GM LSx Vehicles are notorious for burning oil coming through the PCV system. What I did on mine was to install an LS3 valley cover with the PCV provision on it. Then block off the nipples on the valve covers and only run the one from the valley cover. Oh wait, that's for NON-DOD V8's. You'd have to eliminate the DOD in order to use the LS3 valley cover. Which by the way, I eliminated the DOD on my wifes '06 Envoy Denali with the 5.3L LH6 and MPG didn't change (probably gained some instead). HP also went up with the "LS6" cam that I put in it.

I use only Mobil 1 synthetic 5w30 and Mobil 1 oil filter.




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