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Engine oil capacity question

Dom C

Active member
Joined
Apr 12, 2006
Messages
40
Location
New Jersey
Corvette
2005 Mag Red Z51 MN6
Hello folks,

Dumb question but I have to ask. Engine oil capacity information differs in a few spots I have checked. Any owners out there who perform the oil changes themselves? I brought it to the dealer because I cant lift the car, or ramp it properly.

Dealer tells me that they put in 6.5, but I saw the mechanic dump 7 quarts. I can not say for sure if he held back 1/2 of the last bottle?

2005 owners manual (page 5-94) oil with filter - 5.5 quarts.
Chevy dealer tells me - oil with filter - 6.5 quart


Thanks in advance.
05 Z51 MN6
 

motorman

Well-known member
Joined
Mar 7, 2002
Messages
849
Location
pa
Corvette
2008 Crystal Red Tint Coat
Hello folks,

Dumb question but I have to ask. Engine oil capacity information differs in a few spots I have checked. Any owners out there who perform the oil changes themselves? I brought it to the dealer because I cant lift the car, or ramp it properly.

Dealer tells me that they put in 6.5, but I saw the mechanic dump 7 quarts. I can not say for sure if he held back 1/2 of the last bottle?

2005 owners manual (page 5-94) oil with filter - 5.5 quarts.
Chevy dealer tells me - oil with filter - 6.5 quart


Thanks in advance.
05 Z51 MN6
i have changed mine 2 times so far and both times it took 5.5 quarts with filter. park it on the level over night and check the oil level first thing in the morning before you start the engine because 1.5 quarts over will show on the stick.
 

bossvette

Gone but not forgotten
Joined
May 19, 2003
Messages
3,233
Location
West Unity Ohio
Corvette
1968 1997
when I do my C5 I fill the filter from one Qt and set the remainder aside then put 5 Qts in the engine; if or when the stick shows a significant level drop I top off with whats left from filling the filter. I like doing my own changes then I know the filter is pre-filled.
 

Dom C

Active member
Joined
Apr 12, 2006
Messages
40
Location
New Jersey
Corvette
2005 Mag Red Z51 MN6
Guys, thanks for the replies.

The dip stick did indicate an oil level above the hatched marks. The reading was taken first thing in the morning before turning the engine on. I'll swing by the dealership to have a quart taken out, then I'll add IF needed at any point.

Its odd that the GM dealer and the 2005 owners manual have different capacity volumes.

I have to find a good way to get under the front of the car or lift it enough so I can do this myself in the future.

Thanks again.
 
W

WNH

Guest
Its odd that the GM dealer and the 2005 owners manual have different capacity volumes.

I have to find a good way to get under the front of the car or lift it enough so I can do this myself in the future. Thanks again.
The Z51 takes 6 qts, the base C6 takes 5.5 qts.
This difference, I understand, is due to the oil cooler lines in the Z51 model.

Also, I do my oil changes by driving over 2X12s, one under each wheel.
Then I jack the drivers side up, using the jacking puck.
This gives me enough clearance to undo the filter and drain plug.
I do, as mentioned above, fill my filter with oil first.
Always wipe some oil on the filter's rubber gasket, for lubrication when twisting it on.
 

Dom C

Active member
Joined
Apr 12, 2006
Messages
40
Location
New Jersey
Corvette
2005 Mag Red Z51 MN6
Thank you so much guys. Your input is appreciated and useful.

I'm going to get a jack and use the 2x12 boards to lift it myself to remove a quart.
 

motorman

Well-known member
Joined
Mar 7, 2002
Messages
849
Location
pa
Corvette
2008 Crystal Red Tint Coat
Guys, thanks for the replies.



Its odd that the GM dealer and the 2005 owners manual have different capacity volumes.



the C-5 engines use 6.5 quarts with a filter change because of the pan design
 

eagle21455

Member
Joined
Dec 8, 2003
Messages
5
Location
wisconsin
Also, I do my oil changes by driving over 2X12s, one under each wheel.
Then I jack the drivers side up, using the jacking puck.
This gives me enough clearance to undo the filter and drain plug.
I do, as mentioned above, fill my filter with oil first.
Always wipe some oil on the filter's rubber gasket, for lubrication when twisting it on


You mention using a jacking puck,but if you look in the manual,the jack goes under the ribbed aluminum frame by the engine and not on the side where the indentation is-please explain
 

bossvette

Gone but not forgotten
Joined
May 19, 2003
Messages
3,233
Location
West Unity Ohio
Corvette
1968 1997
there are 4 spots on the frame where a jacking "Puck" goes I made my own out of aluminum. You can jack the car from these points also and when using a lift must use them to raise the Vette properly.

 

Jade Panda

Member
Joined
Dec 16, 2006
Messages
7
Location
Rebel South
Corvette
2007 Coupe
I have seen several places that will put 1 quart over what it calls for. I can only guess that its all about making a buck. The only time I will take a car in for an oil change is when its tooooo cold outside to do it myself.
 

NORTY

Well-known member
Joined
Sep 7, 2006
Messages
851
Location
Carlsbad,Ca.
Corvette
2006 C6Z DSOM
If you jack the car on only one side,be sure to lower it to get a complete drain. Also,you may be able to drain the oil by turning the front wheels hard left. This should give you enough room to get at the plug/filter without jacking.
 

c4c5specialist

Technical Advisor
Joined
May 29, 2001
Messages
3,682
Location
New Haven, Ct. USA
Corvette
Nope, but someday.
In your owners manual, you will see the oil required for a change with a filter.
IF YOU PUT IN MORE, you will burn it through windage of the oil in the crankcase.
YOU ARE NOT looking for the oil to be at the top of the marks, only in between the high and the low mark.
Allthebest, :hb
 

Dom C

Active member
Joined
Apr 12, 2006
Messages
40
Location
New Jersey
Corvette
2005 Mag Red Z51 MN6
Everyone,
Thanks so much for all the input. Enjoy the holidays.
Dom
 

DAC17

Member
Joined
Oct 28, 2006
Messages
6
Location
Conn., USA
Corvette
2008 AO Z51 coupe on order
My non-Z51 2006 coupe took an even 5.5 at its last (and only!) change.
 

Rat Race

Well-known member
Joined
Nov 18, 2005
Messages
70
Location
North Jersey
Dom, its a tight squeeze and I have long arms but you can simply reach under the car to screw both the filter and drain nut off, and back on when your done, with the car just sitting on the ground.

When done this way it is a slight PITA but Ive done it twice now no real big hassle and I know that every last drop drains out cause the pans flat.

Every now and then I do drive on the 2 x 12"s to get a jack under to remove my tires so I can clean the inside of the rim
 

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